Side-by-side comparison

Aiper Scuba S1 vs Niya Sonar 20

See how these two robots compare—and why the Dolphin Quantum Pro is the easy choice for corded cleaning with no battery downtime.

Aiper Scuba S1 robotic pool cleaner on a white background

Aiper Scuba S1

24-month limited warranty

  • Cordless
  • Up to 1,600 sq ft / 50 ft
  • Floor + walls + waterline
  • Official pages conflict: 150 or 180 minutes for a full run; Eco claims 240–270 minutes across divided cycles
Niya Sonar 20 robotic pool cleaner on a white background

Niya Sonar 20

Niya (cordless)

1 year manufacturer warranty

  • Cordless
  • Above-ground
  • Floor
  • Coarse filter basket
Why corded wins

Corded Dolphin avoids the charging routine built into every Aiper.

Aiper removes the floating cable, but every full-capacity run depends on a charged battery. Dolphin Max-Series™ and ProLine™ deliver continuous power, immediate repeat cycles and more filtration choices.

The cordless trade-off

Scuba S1 runs on a battery

  • No floating cable, but the robot must recharge after its available battery is used.
  • Runtime: Official pages conflict: 150 or 180 minutes for a full run; Eco claims 240–270 minutes across divided cycles
  • Recharge time: 3–4 hours
Why we recommend Dolphin

Corded power keeps the next cycle ready

  • No charging delay or finite battery runtime.
  • Reusable MaxBin™, NanoFilters™ or MultiMedia™ filtration choices.
  • Authorized-dealer support and genuine replacement parts.

Choose a Max-Series™ or ProLine™ Dolphin when immediate repeat cycles, no battery-care routine, model-specific filter choices and authorized-dealer support carry more weight.

Explore Max-Series™ or explore ProLine™.

The Dolphins worth buying

Four corded picks. No battery compromises.

Every model below is ready for another full-capacity cycle as soon as the filter is rinsed. Choose the cleaning coverage and filtration that fit your pool.

Clean again immediately

No multi-hour charging break between cycles.

Choose your filtration

MaxBin™, NanoFilters™ or Premier MultiMedia™.

Buy with support

Manufacturer warranty, genuine parts and authorized dealers.

Aiper Scuba S1 vs Niya Sonar 20 side by side
What to compare Scuba S1 Niya Sonar 20
Pool and cleaning system
Power Cordless lithium-ion battery Cordless battery power
Pool ratingUp to 1,600 sq ft / 50 ftAbove-ground
Cleaning coverageFloor + walls + waterlineFloor
Runtime / cycleOfficial pages conflict: 150 or 180 minutes for a full run; Eco claims 240–270 minutes across divided cyclesNot published
Charging / repeat cycles 3–4 hours to recharge See the official model specification for charging details
Flow rate4,200 GPH rated flowNot published
Scrubbing systemOne active PVC roller; two drive motors + one brushless filtration motorNot published
Filtration3.5 L, 180 µm basket; current store data says 3 µm media is equipped while Aiper's filter guide calls it optionalCoarse filter basket
Controls and ownership
NavigationWavePath™ 2.0 with five selectable cleaning modesSonar-guided navigation
Scheduling / controlsPeriodic/Eco cleaning schedule through the Aiper appPush-button start on the robot
Warranty24-month limited warranty1 year manufacturer warranty
What is included
  • Robot
  • Filter basket
  • DC charger
  • Retrieval hook
  • User manual
  • Coarse filter basket
  • Battery charger

Sizing note: Pool area, maximum length, runtime and flow each tell you something different. Match the cleaner to your measured pool instead of choosing whichever headline number is largest.

How Scuba S1 and Niya Sonar 20 compare

The Aiper Scuba S1 is cordless and rated for up to 1,600 sq ft / 50 ft. It cleans floor + walls + waterline and uses 3.5 l, 180 µm basket; current store data says 3 µm media is equipped while aiper's filter guide calls it optional filtration. Runtime: Official pages conflict: 150 or 180 minutes for a full run; Eco claims 240–270 minutes across divided cycles.

The Niya Sonar 20 comes from the Niya (cordless) lineup. It is rated for above-ground and cleans floor with Coarse filter basket filtration. Its standard cycle is not published.

The easy choice: corded Dolphin

The Scuba S1 removes the floating cable, but it adds charging time, finite runtime and battery care to the cleaning routine.

We recommend the Dolphin Quantum Pro. It delivers corded cleaning with no recharge delay, plus it bridges both flagship lineups with app control, an XXL MaxBin™, NanoFilters™ and cleaning from the floor and steps through the waterline.

Ready to choose your Dolphin?

Start with Max-Series™ for corded value, or step up to ProLine™ for our strongest residential filtration and coverage.

Common questions

Scuba S1 vs Niya Sonar 20 FAQ

Is Aiper Scuba S1 better than Niya Sonar 20?

For most pool owners, we recommend a corded Dolphin Max-Series™ or ProLine™ robot. Aiper Scuba S1 removes the cable, but it also adds charging time, finite runtime and battery care.

What is the biggest difference between these two cleaners?

Aiper removes the floating cable, but every full-capacity run depends on a charged battery. Dolphin Max-Series™ and ProLine™ deliver continuous power, immediate repeat cycles and more filtration choices.

Can their pool-size ratings be compared directly?

No. Pool area, maximum length, runtime and flow each tell you something different. Match the cleaner to your measured pool instead of choosing whichever headline number is largest.

Which Dolphin is your pick?

Start with the Dolphin Quantum Pro from the Max-Series™ / ProLine™: it bridges both flagship lineups with app control, an XXL MaxBin™, NanoFilters™ and cleaning from the floor and steps through the waterline.

Product details

Sources and specifications

We reviewed these manufacturer pages and policies on November 9, 2026. Specifications, prices and app features can change.

  1. Aiper: Aiper Scuba S1 product specifications
  2. Aiper: Scuba S1 filter guidance
  3. Maytronics: Niya Sonar 20 specifications
  4. Aiper US refund and warranty policy
  5. CPSC recall 25-187: Seagull Pro ZT6001
  6. CPSC recall 23-784: Elite Pro GS100