You have a pool that needs regular cleaning, but you are tired of manual skimming and vacuuming. Two names keep coming up in your search: Aiper and WYBOT. In this guide, we compare the Aiper Scuba S1 and the WYBOT C2 across key features like navigation, filtration, battery life, and ease of use. Whether you own an inground pool or an above-ground model, this comparison will help you choose the right cordless robot for your needs. For more insights, check out our Aiper Scuba S1 vs Beatbot AquaSense 2 article.
Pros
- AI-powered navigation dramatically speeds up cleaning and targets debris efficiently.
- Autonomous weekly scheduling and self-retrieval provide a truly hands-free experience.
- Wireless charging dock eliminates messy cables and connector corrosion.
- Multi-layer filtration captures both large debris and fine particles for superior water clarity.
- Lightweight design simplifies handling and storage.
Cons
- High upfront cost compared to manual or basic robotic cleaners.
- Requires initial setup of AI Navium Mode to learn pool characteristics.
- No reviews yet, so real-world performance is unverified.
The AIPER Scuba V3 is a cutting-edge cordless robotic pool cleaner that leverages AI vision technology to automate pool maintenance. It is designed for pool owners who want a set-and-forget solution that delivers superior cleaning without manual effort.
The standout feature is the AI Patrol System, which uses a front-facing camera to identify over 20 types of debris and navigate directly to them, promising up to ten times faster cleaning. The Cognitive AI Navium Mode further enhances convenience by creating weekly cleaning plans tailored to your pool's size and usage patterns.
The Scuba V3 features a featherlight design at just over 18 pounds, making it easy to deploy and store. The wireless charging dock is a welcome addition, allowing for hassle-free charging without exposed connectors. The MicroMesh Multi-Layer Filtration system ensures both large debris and microscopic contaminants are trapped.
At nearly $1,400, the Scuba V3 represents a significant investment. Additionally, the AI features require an initial learning period to optimize cleaning schedules. As a new product, there are no user reviews yet, so long-term reliability remains to be seen.
Overall, the AIPER Scuba V3 is an impressive leap forward in robotic pool cleaning technology. Its AI-driven navigation and autonomous operation make it ideal for busy pool owners seeking a truly hands-free experience. If you are willing to invest in premium convenience, this cleaner is a strong contender.
Pros
- Cordless design eliminates tangling and limits movement.
- Smart navigation with gyroscope ensures efficient cleaning paths.
- Dual filtration captures both large and fine debris effectively.
- Long runtime covers large inground pools in one charge.
- Auto parking feature simplifies retrieval.
Cons
- No reviews yet, so real-world performance is unverified.
- 24-pound weight may be slightly heavy to lift from the pool.
- Bluetooth range may limit control to close proximity.
The Wybot C2 is a cordless robotic pool vacuum engineered for inground pools, targeting homeowners who want a hassle-free cleaning solution. With Bluetooth control and intelligent navigation, it automates the tedious task of pool maintenance, making it ideal for busy families or those with limited mobility.
Standout features include a built-in gyroscope for optimized cleaning paths, covering up to 2,152 square feet per 180-minute cycle. The dual filtration system, with a 10μm ultra-fine filter and a 180μm primary filter, captures everything from leaves to fine debris, ensuring sparkling water after each use. Its three brushless motors deliver strong suction for deep cleaning, while the robot effectively climbs walls and steps for complete coverage.
Design-wise, the Wybot C2 is robust at 24 pounds, with a grey and green finish that blends into most pool environments. Its cordless nature eliminates cord tangles, and the auto parking feature at the pool edge simplifies retrieval. The seven cleaning modes offer versatility for different pool conditions, from quick touch-ups to thorough cycles.
However, potential drawbacks include the lack of user reviews to confirm long-term reliability, and the weight may be cumbersome for some users to lift from the water. Additionally, Bluetooth control requires proximity, which might limit remote operation compared to Wi-Fi models.
Overall, the Wybot C2 is a promising cordless pool vacuum for inground pools, combining smart features with powerful cleaning. If you value automation and convenience, this robot is a solid choice, though waiting for user feedback could provide additional confidence.
Pros
- Extended runtime up to 270 minutes in Eco Mode
- Comprehensive 4-zone cleaning including waterline and shallow areas
- Ultra-fine 3-micron filtration for crystal-clear water
- Smart navigation with 11 sensors for efficient coverage
- 2-year warranty and strong brand trust
Cons
- App connectivity required for Eco Mode and scheduling
- Shallow cleaning limited to areas above 12 inches
- Weighs 17 pounds, which may be heavy to lift out of the pool
The Aiper Scuba S1 is a 2026 upgrade to Aiper's popular robotic pool cleaner line. Designed for pool owners who want hands-free maintenance, it tackles floors, walls, waterline, and shallow areas. With a 270-minute runtime in Eco Mode, it suits both daily upkeep and deep cleaning sessions.
The Scuba S1 uses 11 high-precision sensors and dual-path algorithms for smart navigation. Its WavePath cleaning pattern minimizes overlap while adapting to your pool's layout in real time. The dual filtration system combines a 3-micron ultra-fine filter with a 180-micron standard filter to capture everything from fine dust to leaves.
Caterpillar Treads provide strong climbing ability and mobility, allowing the cleaner to transition smoothly from floor to walls. The unit weighs 17 pounds and measures 15.3 x 8.7 x 17.5 inches, making it sturdy but manageable. App support adds convenience with Eco Mode, scheduled cleaning, and a weekly custom plan.
The cleaner requires app connectivity to access Eco Mode and advanced scheduling, which may not appeal to users who prefer simple controls. Shallow area cleaning is limited to areas above 12 inches, so very shallow shelves may be missed. At 17 pounds, lifting it out of the pool for filter cleaning takes some effort.
Overall, the Aiper Scuba S1 offers comprehensive coverage, long runtime, and excellent filtration in one package. It is a strong choice for pool owners who want a reliable, app-enabled cleaner with minimal overlap and maximum convenience. The 2-year warranty adds peace of mind for long-term use.
Color: Black
Dimensions: 15.3 x 8.7 x 17.5 inches
Weight: 17 Pounds
Runtime: Up to 270 minutes in Eco Mode, 180 minutes in Auto, Floor, Wall, or Scheduled modes
Filtration: Dual-layer, 3-micron ultra-fine filter and 180-micron standard filter
Cleaning Zones: Floor, walls, waterline, shallow areas above 12 inches
Navigation: 11 high-precision sensors, WavePath pattern, adaptive dual-path algorithms
Warranty: 2-year
Pros
- Exceptional battery life for large pools.
- Double filtration removes fine debris and algae.
- Intelligent navigation ensures thorough cleaning.
- App control with OTA updates adds convenience.
- Horizontal waterline cleaning is a standout feature.
Cons
- Renewed product may show signs of previous use, such as minor scratches or wear.
- No customer reviews available yet to confirm real-world performance.
- Battery life, while long, may vary with pool conditions and debris load.
The AIPER Scuba S1 Pro (Renewed) is a cordless robotic pool cleaner designed for in-ground pools up to 2,150 square feet. It is ideal for pool owners who want a hands-free cleaning solution with advanced features like horizontal waterline cleaning and smart navigation. This renewed model offers premium performance at a more accessible price point.
The standout feature is the 180-minute battery life, which allows the cleaner to cover large pools in a single charge without stopping. The dual filtration system, with a 3-micron ultra-fine filter, captures even microscopic debris, leaving the water sparkling clear. The WavePath Navigation 2.0 technology ensures systematic coverage, reducing missed spots and saving time.
Weighing only 6 pounds, the Scuba S1 Pro is lightweight and easy to handle. Its compact dimensions (11.8 x 18.6 x 17.4 inches) allow it to navigate tight spaces. The app control and OTA updates add modern convenience, letting users customize cleaning schedules and receive improvements over time. The horizontal waterline cleaning is a practical feature that tackles the scum line often neglected by other cleaners.
As a renewed product, there may be minor cosmetic imperfections from prior use, but functionality is guaranteed. The lack of customer reviews means we cannot verify long-term reliability yet. Also, while the battery is long-lasting, heavy debris loads may reduce runtime. It is best suited for pools within the specified size range.
Overall, the AIPER Scuba S1 Pro (Renewed) offers excellent value for pool owners seeking a cordless, intelligent cleaner. Its combination of long battery life, effective filtration, and smart features makes it a strong contender in the robotic pool cleaner market. With a 1-year warranty, it is a low-risk investment for a cleaner pool with less effort.
Pros
- Cordless design eliminates tangled cords and allows unrestricted movement.
- Long 180-minute runtime covers large inground pools in a single cycle.
- Smart navigation ensures efficient cleaning with reduced missed areas.
- Dual filtration system leaves water crystal clear after each use.
- Easy to retrieve with auto parking feature at the pool edge.
Cons
- Requires smartphone Bluetooth connection for full smart features, which may not suit all users.
- No reviews yet, so long-term reliability is unproven.
- May not handle very large pools (over 2,152 sq ft) in one charge.
The Wybot C2 is a cordless robotic pool cleaner engineered for inground pools, combining smart technology with powerful cleaning performance. It is an excellent choice for homeowners who want to automate pool maintenance and enjoy more leisure time without sacrificing water clarity.
Standout features include Bluetooth control via a smartphone app, gyroscopic navigation for optimized path planning, and a dual filtration system that captures particles as small as 10 microns. In real-world use, the three brushless motors provide strong suction on floors, walls, and steps, while the 180-minute runtime covers up to 2,152 square feet per cycle. This means fewer interruptions and consistently clean water.
Design and build quality are robust, with a compact footprint (18.4 x 16.9 x 12.4 inches) and a sleek black-and-green finish. The robot climbs walls and steps effectively, regardless of shape or material, and automatically parks at the pool edge when the battery is low or cleaning is done. This makes retrieval simple and hassle-free.
Potential drawbacks include the reliance on Bluetooth for smart features, which may be less convenient than Wi-Fi for remote access. Additionally, there are no user reviews yet, so long-term durability and performance are not yet verified. The cleaner may also require a second cycle for very large pools beyond its coverage area.
Overall, the Wybot C2 delivers strong value for inground pool owners seeking a cordless, smart cleaning solution. Its combination of intelligent navigation, powerful filtration, and ease of use makes it a compelling choice for keeping pools pristine with minimal effort.
Pros
- Captures ultra-fine particles that standard filters miss.
- Easy, tool-free installation.
- Works with both standard and upgrade Scuba S1 models.
- Comes in a 2-pack for value.
Cons
- Only compatible with Aiper Scuba S1, not other pool cleaners.
- May require more frequent cleaning if pool has heavy fine debris.
- No reviews yet, so real-world performance is unverified.
The Aiper Ultra-Fine 3 µm Filter Replacement is a must-have accessory for owners of the Aiper Scuba S1 robotic pool cleaner. Designed to catch the smallest debris like silt, fine sand, and dust that standard filters often miss, this 2-pack ensures your pool water remains exceptionally clear. It is perfect for anyone who wants to upgrade their pool cleaning experience without complicated modifications.
Standout features include the ultra-fine 3 micron mesh that traps particles down to that size, delivering a noticeable improvement in water clarity. Installation is a snap no tools required. Simply remove the old filter basket, swap the mesh, and click it back into place. This filter is compatible with both standard and upgrade models of the Scuba S1, so you can use it regardless of your cleaner version.
Build quality is straightforward the filter mesh is made of durable materials that should hold up well under regular use. The white color fits the aesthetic of the cleaner. At 15 x 11 x 17 inches, it is a compact replacement part that stores easily. However, because it is a fine mesh, it may clog faster than the standard filter if your pool has a lot of fine debris, so regular cleaning is advised.
One potential drawback is that this filter is only designed for the Aiper Scuba S1, limiting its use to that specific model. Also, as of now there are no user reviews available, so long-term performance is not yet confirmed by the community. But given Aiper's reputation, this filter should deliver on its promise of enhanced clarity.
Final verdict: If you own an Aiper Scuba S1 and want to achieve the clearest possible pool water, this ultra-fine filter replacement is a smart investment. It is easy to install, offers a clear improvement over the stock filter, and comes in a convenient 2-pack. Just be prepared to clean it more frequently if your pool is prone to heavy fine debris.
Pros
- Exceptional 270-minute runtime reduces need for frequent recharging
- Smart navigation adapts to pool layout for efficient, thorough cleaning
- Cleans all pool surfaces including waterline and shallow areas
- App control offers convenient scheduling and mode selection
- Renewed product provides significant savings without sacrificing performance
Cons
- Initial setup requires app pairing and Wi-Fi connection, which may be a minor hurdle for some users
- Renewed unit may show minor cosmetic wear or scuffs not affecting functionality
- No remote control included; full reliance on app for control
The Aiper Scuba S1 (Renewed) is a robotic pool cleaner designed for above-ground and in-ground pools up to 50 feet. This 2026 upgrade version emphasizes extended runtime and smarter navigation, making it an ideal choice for pool owners who want a hands-off cleaning solution. It targets those who value efficiency, app control, and a budget-friendly option through the renewed program.
Standout features include a 270-minute runtime in Eco Mode, which allows for daily maintenance without constant recharging. The intelligent WavePath navigation uses 11 high-precision sensors and dual-path algorithms to map your pool, ensuring systematic coverage with minimal overlap. In real-world use, this translates to cleaner pools with fewer missed spots, especially in complex shapes.
Build quality is solid with a durable black casing and Caterpillar treads that provide excellent traction on various surfaces. The cleaner handles floors, walls, waterline, and shallow areas above 12 inches, making it versatile. The ultra-fine filter captures particles as small as 2 microns, leaving the water pristine. The app is intuitive and allows scheduling, mode selection, and OTA updates for ongoing improvements.
Drawbacks are minor: the initial setup requires Wi-Fi and app pairing, which may be a slight inconvenience. As a renewed product, there might be superficial cosmetic blemishes, but performance is typically on par with new units. Also, the lack of a physical remote might be a downside for those who prefer not to use a smartphone.
Overall, the Aiper Scuba S1 (Renewed) offers exceptional value with its long runtime, intelligent cleaning, and robust build. It earns a strong recommendation for pool owners seeking a reliable, app-controlled cleaner without the premium price tag. Combined with a 1-year warranty, it's a worry-free investment for a cleaner pool.
Pros
- Exceptional suction power (4500GPH) for thorough debris removal.
- Versatile cleaning modes including a dedicated waterline option.
- Efficient navigation reduces cleaning time and energy consumption.
- Long battery life with up to 150 minutes of runtime.
- Cordless freedom for easy deployment and storage.
Cons
- Renewed product may have limited warranty or cosmetic imperfections.
- No customer reviews available to validate real-world performance.
- Charging time and battery degradation over time are not specified.
The Aiper Scuba S1 is a cordless robotic pool cleaner that brings advanced features to inground pool maintenance. As a renewed unit, it offers a more affordable entry point for those seeking powerful, automated cleaning without the hassle of hoses or power cords. This model is best suited for medium to large pools (up to 1,600 sq. ft.) and for owners who want flexibility in cleaning modes, including wall and waterline scrubbing.
Standout features include a robust 4500GPH suction that tackles leaves, silt, and fine debris in one pass, paired with Smart Wavepath Navigation 2.0. This system scans the pool layout and plots an efficient path, reducing overlap and cutting cleaning time. The four modes (Auto, Wall, Waterline, Eco) let you customize the clean: Eco mode performs a light 45-minute cycle every 48 hours, saving energy while keeping water clear. In full Auto mode, the robot runs up to 150 minutes, covering the entire pool.
Build quality is solid for a renewed product, with a white plastic body (15.3 x 8.7 x 17.5 inches) that glides smoothly. The high-density brushes and wall-climbing traction provide effective scrubbing on floors, walls, and the waterline. Being cordless eliminates tangles and makes storage simple. The unit is easy to lift out of the pool and rinse off.
Potential drawbacks include the renewed status: it may have minor cosmetic wear or a shorter warranty compared to a new unit. Also, with no customer reviews yet, real-world reliability is unproven. Battery life is rated at 150 minutes, but recharge time is not specified, and batteries can degrade over time. The price point is reasonable for a cordless robot with these specs, but some may prefer a model with a longer track record.
Overall, the Aiper Scuba S1 is a compelling choice if you want a feature-rich, cordless pool cleaner without paying full retail. Its powerful suction, smart navigation, and versatile modes make it a strong performer. Just be prepared for the uncertainties of a renewed product and consider an extended warranty for peace of mind.
Pros
- AI-powered navigation adapts to your pool's unique layout for smarter, more efficient cleaning.
- Versatile: 8 modes plus 6 customizable routes cover floors, walls, and waterline.
- Dual filtration (180μm + HEPA) removes both large debris and fine particles.
- Works in inground and above ground pools up to 2150 sq ft.
- App scheduling provides truly hands-free maintenance.
Cons
- No customer reviews yet, so real-world long-term performance is unverified.
- AI learning requires about a month to reach peak efficiency, so initial cleanings may not be fully optimized.
- At 18.4 x 16.9 x 12.4 inches, it may be bulky for smaller pools or tight storage spaces.
The WYBOT C2 Vision is a robotic pool cleaner designed for inground and above ground pools up to 2150 square feet. It combines AI-powered camera navigation with a powerful brushless motor, making it a strong option for pool owners who want automated, app-controlled cleaning without manual effort.
Its standout feature is the AI Vision system, which learns your pool's debris patterns and obstacle locations over the first month. This allows the robot to focus on high-traffic areas and adjust suction, delivering up to 20 times higher cleaning efficiency. The 8 cleaning modes and 6 customizable routes in expert mode give you flexible control over floors, walls, and waterline.
The dual filtration system (180μm basket plus HEPA filter) captures everything from large leaves to fine particles, keeping water crystal clear. The brushless motor provides strong suction, and scheduled cleaning via the WYBOT App means you can set it and forget it. Build quality appears solid, with each unit water-tested before shipment.
Potential drawbacks include a lack of verified customer reviews and a learning curve during the first month as the AI adapts to your pool. The unit is also fairly large, so storage may be a consideration for some buyers. However, the 2-year warranty adds peace of mind.
Overall, the WYBOT C2 Vision is a feature-rich robotic pool cleaner that offers smart navigation, versatile cleaning modes, and strong filtration. It is best suited for pool owners who value convenience and are willing to let the AI optimize over time.
Product: WYBOT C2 Vision Robotic Pool Vacuum
Color: Black with Green
Dimensions: 18.4 x 16.9 x 12.4 inches
Compatibility: Inground and above ground pools
Max Coverage: 2150 square feet
Filtration: 180μm filter basket + HEPA filter
Navigation: AI Vision camera
Cleaning Modes: 8 modes, 6 customizable routes
Warranty: 2-year
Pros
- Lightweight and portable at 18 pounds
- Excellent waterline scrubbing coverage up to 2 inches above the surface
- Smart sensors and app controls enable automated scheduling and monitoring
- Dual filtration system with a 3-micron ultra-fine layer for microscopic debris
- Long 240-minute ECO runtime and a 2-year warranty for peace of mind
Cons
- Real-time app control is unavailable while the robot is submerged during active cleaning
- App-only operation means you need your smartphone nearby for adjustments, with no physical remote included
- Premium price point may be a consideration for budget-focused pool owners
The Aiper Scuba S3 is a robotic pool cleaner designed specifically for inground pools. It combines smart navigation, waterline scrubbing, and dual ultra-fine filtration in a compact 18-pound package. This cleaner is best suited for pool owners who want automated daily maintenance without the hassle of manual vacuuming or moving a heavy unit.
The standout feature is its sideways waterline scrubbing ability, which removes scum rings and pollen up to 2 inches above the surface. Instead of moving up and down, the robot glides horizontally at a steady pace, concentrating scrubbing power where it matters. Combined with sensor-based path planning, it covers the entire pool floor systematically, reducing missed spots in freeform pools.
The Scuba S3 is lightweight and easy to lift, yet its dual brushes and strong suction handle leaves, sand, and fine debris in one pass. The dual filter system offers both a 180-micron mesh and a 3-micron ultra-fine layer for visibly clearer water. App connectivity provides scheduling, battery status, and cleaning history, though live control is disabled while submerged.
The main limitation is that you cannot steer the robot in real time during a cleaning cycle; you rely on its autonomous navigation. The premium price may be a factor for budget-focused buyers, and the included features are app-centric, with no physical remote. That said, the auto-parking function and app alerts eliminate the need to search for the robot after it finishes.
For pool owners looking for a lightweight, powerful, and smart cleaning solution, the Aiper Scuba S3 is an excellent investment. Its waterline scrubbing, long 240-minute ECO runtime, and 2-year warranty deliver strong value. If you need effortless pool maintenance and can live without live steering, this robotic cleaner is a reliable choice.
Brand: AIPER
Model: Scuba S3
Color: Pale Blue
Dimensions: 15 x 8.5 x 17.5 inches
Weight: 18 pounds
Compatibility: Inground pools
Cleaning Modes: 5 modes
Max Runtime: 240 minutes in ECO mode
Filtration: 180-micron mesh and 3-micron ultra-fine layer
Waterline Scrubbing: Up to 2 inches above surface
Control: Smartphone app with no extra remote required
Buying Guide
Navigation and Coverage
A robot’s navigation system determines how thoroughly it cleans your pool. The Aiper Scuba S1 uses 11 high-precision sensors and dual-path algorithms to map your pool in real time. It follows an optimized WavePath pattern that reduces overlap and ensures full coverage of the floor, walls, and waterline. The WYBOT C2 relies on a built-in gyroscope for smart path planning, which works well for standard rectangular pools but may struggle with irregular shapes.
If your pool has curves, steps, or a freeform design, the Scuba S1’s adaptive navigation is a clear advantage. For straightforward layouts, the C2’s gyroscope-based system provides reliable coverage at a lower cost.
Filtration System
Filtration quality directly impacts water clarity. The Aiper Scuba S1 features a dual-layer system with a replaceable 3-micron ultra-fine filter and a 180-micron standard filter. This combination traps everything from large leaves to fine dust and sand. The WYBOT C2 also uses dual filtration, with a 10-micron ultra-fine filter and a 180-micron primary filter, which captures most debris effectively.
However, the Scuba S1’s 3-micron filter is finer than the C2’s 10-micron layer, making it better at trapping microscopic particles. For pool owners who prioritize crystal-clear water, the Scuba S1 offers an edge.
Battery Life and Runtime
Longer runtime means fewer charging cycles and more consistent cleaning. The Aiper Scuba S1 delivers up to 270 minutes in Eco Mode, which is ideal for daily maintenance. In standard modes, it runs for up to 180 minutes. The WYBOT C2 offers a maximum runtime of 180 minutes across all modes, which is sufficient for most inground pools up to 2,152 square feet.
If you have a large pool or want the flexibility of extended cleaning without recharging, the Scuba S1’s 270-minute Eco Mode is a standout feature.
Ease of Use and Maintenance
Both robots offer app control, but the experience differs. The Aiper Scuba S1 app includes scheduled cleaning, cleaning logs, and OTA updates. The WYBOT C2 uses Bluetooth control for basic functions like mode selection and manual driving. The Scuba S1 also features auto-parking at the waterline after cleaning, making retrieval easy without entering the pool.
For maintenance, the Scuba S1’s filter is easy to remove and clean, and replacement filters are available. The C2’s filter basket is similarly accessible. Overall, the Scuba S1 offers a more polished user experience with smarter scheduling and better retrieval.
Final Thoughts
After comparing navigation, filtration, battery life, and ease of use, the (2026 Upgrade) Aiper Scuba S1 Robotic Pool stands out for its superior sensor-based navigation, finer 3-micron filtration, and extended 270-minute runtime, making it ideal for pool owners who want thorough coverage and crystal-clear water with minimal effort. On the other hand, the Wybot C2 Cordless Pool Vacuum for Inground Pools offers reliable gyroscope navigation and dual filtration at a more accessible price point, making it a solid choice for those with standard pool shapes who value simplicity and value. Both robots deliver cordless convenience, but your decision should hinge on your pool’s shape, size, and your preference for advanced features versus budget.
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Frequently Asked Questions
Can the Aiper Scuba S1 climb walls?
Yes, the Aiper Scuba S1 is engineered to climb pool walls and clean the waterline. Its Caterpillar Treads system provides strong traction, and the robot can handle both floor and wall cleaning in one cycle.
Does the WYBOT C2 work with above-ground pools?
The WYBOT C2 is designed primarily for inground pools, but it can also be used with above-ground pools that have a flat bottom and standard wall angles. Check your pool’s dimensions before purchasing.
How often should I clean the filter on these robots?
For best performance, clean the filter after each use. Both the Aiper Scuba S1 and WYBOT C2 have easily removable filter baskets. Rinse them with a garden hose to remove debris and extend the robot’s life.
Which robot has better battery life in 2026?
The Aiper Scuba S1 offers up to 270 minutes in Eco Mode, while the WYBOT C2 maxes out at 180 minutes. For large pools or those who prefer less frequent charging, the Scuba S1 is the better choice.
