Brush type is a key factor in how robotic pool cleaners perform in inground pools. Unlike flat-floor above-ground units, inground models are more advanced — combining higher flow rates with active brushes and smart navigation to tackle larger areas and multiple surfaces.
Small inground pools: A mid-tier cleaner with dual active brushes and patterned navigation can manage the floor, walls, and waterline efficiently.
Medium inground pools: Require stronger suction, higher flow rates, and advanced navigation to prevent missed areas. Active brushes become essential for handling algae, oils, and stubborn dirt on plaster, pebble, or tile.
Large inground pools: Need premium cleaners with top flow rates, extra-long cables or high-capacity batteries, double active brushes, large debris baskets, and intelligent mapping to cover every surface reliably.
Passive brushes are rare at this level, but a few budget inground models may include them. While they can help with light cleaning, active brushes are the standard for achieving a thorough clean in pools with heavy debris or challenging surfaces.
Robots That Clean the Waterline
Dreame Z1
Cordless · Floor, wall, waterline · Up to 1,950 sq ft · In-ground and above-ground pools
Check price at DreameWybot C1
Cordless · Floor, wall, waterline · Up to 1,615 sq ft · In-ground and above-ground pools
Check price at WybotAiper Scuba S1
Cordless · Floor, wall, waterline · Up to 1,600 sq ft · In-ground and above-ground pools
Check price at AiperWybot C2
Cordless · Floor, wall, waterline · Up to 1,615 sq ft · In-ground and above-ground pools
Check price at WybotAiper Scuba X1
Cordless · Floor, wall, waterline · Up to 2,150 sq ft · In-ground and above-ground pools
Check price at AiperWybot S2
Cordless · Floor, wall, waterline · Up to 3,229 sq ft · In-ground and above-ground pools
Check price at Wybot
Aiper Scuba S3
Cordless · Floor, wall, waterline · Up to 1,600 sq ft · In-ground and above-ground pools
Check price at AiperWybot C2 Vision
Cordless · Floor, wall, waterline · Up to 1,938 sq ft · In-ground and above-ground pools
Check price at WybotAiper Scuba V3 Ultra
Cordless · Floor, wall, waterline, surface · Up to 3,875 sq ft · In-ground and above-ground pools
Check price at AiperWybot B1
Cordless · Floor, wall, waterline · Up to 1,076 sq ft · In-ground and above-ground pools
Check price at Wybot
Brush Type Comparison for Inground Robotic Pool Cleaners
Use the dropdown filters to compare cleaners by pool size, budget tier, power source and navigation technology. Each model comes with a product summary that highlights its key capabilities — including suction strength, cycle time and surface compatibility. These summaries make it easy to see what each cleaner does best before clicking through the product link to check the latest pricing.
How to Use the Dropdown Filters
When using the comparison table, refine your search with these dropdowns:
1. Budget Tier
Budget (< $200): Starter cleaners with no frills, simple floor or wall cleaning.
Mid-Tier ($200–$500): Cordless mobility, auto-parking, and more convenience features.
Premium ($500–$1,000): Smart mapping, waterline scrubbing, advanced cleaning efficiency.
Pro ($1,000+): Full-featured models with luxury extras and elite navigation systems.
2. Pool Size Class
Small (< 30 ft / 600 sq. ft.): Compact pools that need shorter cleaning cycles.
Medium (≤ 40 ft / 1,000 sq. ft.): Standard family-size pools where balanced runtime is key.
Large (> 40 ft): Bigger pools requiring extended runtime and stronger suction.
3. Power Source
Cordless: Battery-powered, no cables, easy handling and storage, but limited by runtime.
Corded: Unlimited runtime and consistent power, but requires cable management during use.
4. Navigation Type
Random: Moves unpredictably, best for smaller pools on a budget.
Patterned Path: Follows set routes for more efficient coverage and less missed spots.
Advanced Mapping: Uses sensors or smart systems for elite navigation, ensuring thorough, optimized cleaning.
Brush Type Comparison Table for Inground Robotic Pool Cleaners
Inground Robotic Pool Cleaners by Brush Type
| Check Price | Brand and Model | Pool Size Class | Brush Type | Cleaner Overview |
|---|---|---|---|---|
| Check Price | Dolphin Nautilus CC | Medium | Active | The Dolphin Nautilus CC scrubs the floor and walls of pools up to 33 feet long, inground or above-ground, with a powered brush. It is one of the lighter wall-climbing Dolphins at 14.8 pounds. In return, it leaves out a timer, an app and waterline cleaning, so each two-hour cycle starts when you switch it on. |
| Check Price | Dolphin Nautilus CC Plus | Medium | Passive | The Dolphin Nautilus CC Plus cleans the floor and walls of inground pools up to 40 feet long, and it adds Wi-Fi scheduling through Dolphin's app, which the plain Nautilus CC does not have. It plugs into a power supply, so there is no battery to charge. Like the CC, it leaves the waterline to you. |
| Check Price | Aiper Scuba S1 | Large | Active | The Aiper Scuba S1 cleans the floor, walls and waterline of pools up to 1,600 square feet, with no cable on the deck. Aiper rates the current edition for up to 4.5 hours per charge. A 3-micron fine filter backs up the main basket, and the app holds a weekly cleaning plan. |
| Check Price | Wybot C1 | Large | Passive | The Wybot C1 cleans the floor, walls and waterline of pools up to 1,615 square feet, and Wybot lists the steps among the areas it covers. The catch is its single 180-micron filter, which is meant for leaves and sand rather than fine dust. It runs for up to 2.5 hours per charge. |
| Check Renewed Price | Aiper Scuba S1 Pro | Large | Active | The Aiper Scuba S1 Pro has a main filter and a finer layer for microscopic debris, with both reached from the top. It also scrubs the floor and walls, using active brushes and tracks. Aiper rates it for inground pools up to 2,150 square feet, with app scheduling and up to 3 hours of cordless cleaning. |
| Check Price | Beatbot AquaSense 2 | Large | Active | The Beatbot AquaSense 2 cleans the floor, walls and waterline of pools that Beatbot rates for up to 3,230 square feet. It maps the pool with ultrasonic sensors and can be scheduled from the app, and a wireless dock charges its 10,000 mAh battery. The manual lists a runtime of up to 4 hours. |
| Check Price | Wybot C2 | Large | Passive | The Wybot C2 adds a second filter to what the Wybot C1 offers, a 10-micron net paired with the 180-micron basket. It also adds two cleaning modes and runs for up to 3 hours per charge. Like the C1, it cleans the floor, walls, waterline and steps of pools up to 1,615 square feet. |
| Check Price | Zyerch SAT20 | Large | Active | A cordless robotic pool cleaner that scrubs the floor, walls and waterline with active brushes on tracks, rated by Zyerch for pools up to 1,614 sq ft. It follows a set pattern, runs up to 3 hours per charge and has a 300 μm main filter. |
| Check Price | Dolphin Proteus DX4 | Large | Active | The Dolphin Proteus DX4 scrubs the floor, walls and waterline of inground and above-ground pools, with onboard scheduling for repeat cleaning. Dolphin rates it for pools up to 50 feet long. Its powered brush, top-access filtration and corded operation suit regular cleaning without a battery recharge between runs. |
| Check Price | Beatbot AquaSense | Large | Active | A cordless robotic pool cleaner that scrubs the floor, walls and waterline with active brushes on tracks, rated by Beatbot for pools up to 2,260 sq ft. It maps its route, runs up to 3 hours per charge and can be scheduled from the app. |
| Check Price | Poolmate Hydro 4 SE | Large | Active | A corded robotic pool cleaner that scrubs the floor, walls and waterline with active brushes, rated by Poolmate for pools up to 1,614 sq ft on a 40 ft cable. It follows a set pattern, runs a 3.5-hour cycle and can be scheduled from the app. |
| Check Price | Polaris Freedom | Large | Active | A cordless robotic pool cleaner that scrubs the floor, walls and waterline, with mapping navigation and app connectivity. It runs up to 2.5 hours on a 9,600 mAh battery and recharges in 5 hours. |
| Check Price | BotLife PC10 | Large | Active | A cordless robotic pool cleaner that scrubs the floor, walls and waterline with active brushes on tracks, rated by Botluxe for pools up to 1,829 sq ft. It follows a set pattern, runs up to 2 hours per charge and has a 5200 mAh battery. |
| Check Price | Poolmate Hydro 4 Cordless | Large | Active | A cordless robotic pool cleaner that scrubs the floor, walls and waterline with active brushes on tracks, rated by Poolmate for pools up to 1,614 sq ft. It follows a set pattern, runs up to 3.5 hours per charge and can be scheduled from the app. |
| Check Price | Dolphin Liberty 200 | Medium | Active | The Dolphin Liberty 200 scrubs an inground pool's floor, walls and waterline without a power cable in the water, and Dolphin gives its cleaning cycle as 2.5 hours. An active brush and top-access filter handle the cleaning work as it travels on tracks and follows patterned paths through the pool. The Amazon listing says it uses magnetic charging. |
| Check Price | Poolmate Hydro 4 Corded | Large | Active | A corded robotic pool cleaner that scrubs the floor, walls and waterline with active brushes, rated by Poolmate for pools up to 1,614 sq ft on a 50 ft cable. It follows a set pattern, runs a 3.5-hour cycle and has onboard scheduling. |
| Check Price | Rock&Rocker HJ3052 | Large | Active | A corded robotic pool cleaner that scrubs the floor, walls and waterline with active brushes, rated by Rock&Rocker for pools up to 1,291 sq ft on a 50 ft cable. It follows a set pattern and runs a 3-hour cycle. |
| Check Price | Polaris F9450 Sport | Large | Active | A corded robotic pool cleaner that scrubs the floor, walls and waterline with active brushes, rated by Polaris for pools up to 50 ft long on a 60 ft cable. It maps its route, runs a 2.5-hour cycle and has onboard scheduling. |
| Check Price | Polaris VRX iQ+ | Large | Active | A corded robotic pool cleaner that scrubs the floor, walls and waterline with active brushes, rated by Polaris for pools up to 60 ft long on a 70 ft cable. It maps its route, runs a 3.5-hour cycle and can be scheduled from the app. |
| Check Price | Reriou SAT30 | Large | Active | A cordless robotic pool cleaner that scrubs the floor, walls and waterline with active brushes on tracks, rated by Reriou for pools up to 2,050 sq ft. It maps its route, runs up to 2.5 hours per charge and has a 250 μm main filter. |
| Check Price | Poolmate Hydro 3S | Large | Active | A cordless robotic pool cleaner that scrubs the floor, walls and waterline with active brushes on tracks, rated by Poolmate for pools up to 1,614 sq ft. It follows a set pattern, runs up to 3.3 hours per charge and has onboard scheduling. |
| Check Price | Reriou SAT20 | Large | Active | A cordless robotic pool cleaner that scrubs the floor, walls and waterline with active brushes on tracks, rated by Reriou for pools up to 1,614 sq ft. It follows a set pattern, runs up to 3 hours per charge and loads its filter from the top. |
| Check Price | Dreame Z1 | Large | Active | The Dreame Z1 scrubs an inground pool's floor, walls and waterline with active brushes, using mapping to guide its route. Its cordless design pairs an 8,000 gph suction rating with separate cleaning modes, so you can direct a run toward the floor or the pool's edges as debris builds up. |
| Check Price | Koswe SAT20 | Large | Active | A cordless robotic pool cleaner that scrubs the floor, walls and waterline with active brushes on tracks, rated by Koswe for pools up to 1,614 sq ft. It follows a set pattern, runs up to 3 hours per charge and loads its filter from the top. |
| Check Price | Polaris Freedom Plus | Large | Active | A cordless robotic pool cleaner for inground pools that scrubs the floor, walls and waterline with active brushes on tracks, rated by Polaris for pools up to 50 ft long. It maps its route and runs up to 2.5 hours per charge. |
| Check Price | Dolphin Explorer E50 | Large | Active | The Dolphin Explorer E50 scrubs the floor, walls and waterline, with app scheduling for repeat cleaning. Its powered brush and patterned navigation handle the cleaning work, while phone controls extend to delayed starts and spot cleaning. Dolphin's brochure also describes a surface-retrieval feature that brings it up for removal. |
| Check Price | Wybot M1 | Large | Passive | The Wybot M1 cleans inground pool floors, walls and waterlines, with app scheduling and a rated coverage area of 4,305 square feet. It runs up to 5 hours in Eco floor mode, according to the manual. A top opening gives you access to the basket and auxiliary foam filter. |
| Check Price | Clibot CB-5 | Large | Active | A cordless robotic pool cleaner that scrubs the floor, walls and waterline with active brushes on tracks, rated by Clibot for pools up to 3,229 sq ft. It maps its route, runs up to 3.5 hours per charge and loads its filter from the top. |
| Check Price | Wybot S2 | Large | Passive | The Wybot S2 cleans the floor, walls and waterline of pools up to 3,229 square feet, and the manual says it can climb steps too. It runs on a battery for up to 3.5 hours per charge. Its app offers seven cleaning modes and a cycle timer, and the robot parks itself by the wall when it finishes. |
| Check Price | Dolphin Cayman | Medium | Active | The Dolphin Cayman scrubs the floor and walls of inground and above-ground pools with a powered brush and runs on an onboard weekly schedule. Its corded design suits repeated cleaning, while the top-access basket and 14.6-pound body help with routine handling after a clean. The basket accepts optional panels for finer debris. |
| Check Price | Dolphin Advantage | Medium | Active | The Dolphin Advantage scrubs pool floors and walls with an active brush, and Dolphin rates it for inground and above-ground pools up to 33 feet long. A 50-foot cable supplies power throughout the two-hour cycle. A top-access filter basket lets you remove debris without turning the cleaner over. |
| Check Price | Dolphin Wave 80 | Large | Active | The Dolphin Wave 80 scrubs the floor, walls and waterline of large pools. It combines active brushing with a corded power supply. Dolphin's product page also confirms a full-filter indicator and an included caddy for moving the cleaner between storage and the pool. |
| Check Price | Aiper Scuba X1 | Large | Active | The Aiper Scuba X1 cleans the floor, walls and waterline of inground pools up to 2,150 square feet, according to the Amazon listing. Its fine filter targets smaller debris alongside a removable main basket. It runs for up to 3 hours per charge, and you can select a cleaning mode with its onboard button. |
| Check Price | Poolmate Hydro 3 | Large | Active | A cordless robotic pool cleaner that scrubs the floor, walls and waterline with active brushes on tracks, rated by Poolmate for pools up to 1,076 sq ft. It changes direction when it meets a wall and runs up to 3.3 hours per charge. |
| Check Price | Polaris 8050 Sport | Medium | Active | The Polaris 8050 Sport scrubs the floor, walls and waterline with powered brushes and tracked movement. Polaris's product page also describes adjustable surface settings for wall climbing and a transparent window over the filter canister. Those details let you adjust its climbing behavior and see collected debris before opening the cleaner. |
| Check Price | Polaris 9550 Sport | Large | Active | A corded robotic pool cleaner that scrubs the floor, walls and waterline with active brushes on wheels, rated by Polaris for pools up to 60 ft long on a 70 ft cable. It maps its route, runs a 2.5-hour cycle and has onboard scheduling. |
| Check Price | Dreame Z1 Pro | Large | Active | The Dreame Z1 Pro scrubs an inground pool's floor, walls and waterline, with a handheld remote for underwater control. Dreame also describes tanning ledge cleaning and automatic parking at the waterline. Its remote lets you interrupt a run for spot cleaning or call the robot back when you want to retrieve it. |
| Check Price | Wybot C2 Vision | Large | Passive | The manual rates the Wybot C2 Vision for inground pools up to 1,938 square feet, covering floors, walls and waterlines. Wybot says its camera mode responds to debris on the floor, while a separate fine filter catches smaller particles alongside the main basket. App scheduling lets you set future cleans, and the robot runs on a rechargeable battery. |
| Check Price | Seauto Crab | Large | Active | A cordless robotic pool cleaner that scrubs the floor, walls and waterline with active brushes on tracks, rated by Seauto for pools up to 2,000 sq ft. It maps its route, runs up to 2.5 hours per charge and loads its filter from the top. |
| Check Price | Hayward TigerShark QC | Medium | Active | A corded robotic pool cleaner that scrubs the floor, walls and waterline with active brushes on tracks, rated by Hayward for pools up to 800 sq ft on a 55 ft cable. It follows a set pattern, runs a 3-hour cycle and loads its filter from the top. |
| Check Price | Aiper Scuba S3 | Large | Active | The Aiper Scuba S3 cleans an inground pool's floor, walls and waterline, with mapping to guide its route and fine filtration for dust. Aiper rates it for up to 3 hours per charge. Aiper also describes horizontal waterline scrubbing and an app alert when it returns to the waterline, useful additions if you want easier retrieval. |
| Check Price | Aiper Scuba V3 | Large | Active | The Aiper Scuba V3 combines AI vision guided navigation with fine filtration for dust, while scrubbing an inground pool's floor, walls and waterline. Aiper describes automatic cleaning plans that use weather and cleaning history as well as pool size. It runs for up to 3 hours and recharges on a wireless dock. |
| Check Price | Wybot S2 Solar | Large | Passive | The Wybot S2 Solar cleans the floor, walls and waterline of inground pools up to 3,229 square feet. It charges on a solar-powered dock in the pool. The manual says it returns there after cleaning or when the battery runs low, and app scheduling lets you choose when cleaning starts. |
| Check Price | Wybot B1 | Large | Passive | The Wybot B1 covers the floor, walls and waterline in a cordless body. The manual rates it for pools up to 1,076 square feet, with app scheduling and a filter reached through the top cover. Its edge brushes also target the corners and edges where debris can collect. |
| Check Price | Wybot S2 Solar Vision | Large | Passive | The Wybot S2 Solar Vision cleans the floor, walls and waterline, with a camera that recognizes debris during floor cleaning. Its solar charging dock lets it recharge in the pool. The manual says it returns after finishing a clean or when its battery runs low. |
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Specs provided for informational use only. Data may be incomplete or outdated. Read full disclaimer.
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Robots That Clean the Waterline
Wybot S2 Solar Vision
Solar and battery · Floor, wall, waterline · Up to 3,229 sq ft · In-ground pools
Check price at Wybot
Wybot S2 Solar
Solar and battery · Floor, wall, waterline · Up to 3,229 sq ft · In-ground pools
Check price at WybotDreame Z1
Cordless · Floor, wall, waterline · Up to 1,950 sq ft · In-ground and above-ground pools
Check price at DreameWybot C1
Cordless · Floor, wall, waterline · Up to 1,615 sq ft · In-ground and above-ground pools
Check price at WybotAiper Scuba S1
Cordless · Floor, wall, waterline · Up to 1,600 sq ft · In-ground and above-ground pools
Check price at AiperWybot C2
Cordless · Floor, wall, waterline · Up to 1,615 sq ft · In-ground and above-ground pools
Check price at WybotAiper Scuba X1
Cordless · Floor, wall, waterline · Up to 2,150 sq ft · In-ground and above-ground pools
Check price at AiperWybot S2
Cordless · Floor, wall, waterline · Up to 3,229 sq ft · In-ground and above-ground pools
Check price at WybotAiper Scuba S3
Cordless · Floor, wall, waterline · Up to 1,600 sq ft · In-ground and above-ground pools
Check price at AiperWybot C2 Vision
Cordless · Floor, wall, waterline · Up to 1,938 sq ft · In-ground and above-ground pools
Check price at Wybot
