Aiper Scuba S1 vs Aiper Scuba S3
On the published numbers, the Aiper Scuba S3’s battery covers a pool of about 79 ft against about 49 ft for the Aiper Scuba S1 (the two figures rest on different kinds of runtime, noted below). At least one of them is rated by its maker for more pool than that arithmetic supports. Every other published specification is in the table, with the rows where they differ tinted.

Aiper
Aiper Scuba S1
~$500
- Pool fit
- ~49 ftclaims ~57 ft150 min on floor and walls at 13 sq ft/min
- Filtration
- 180 µm · sand, grit and leaves
- Retrieval
- You fish out 17 lb
Aiper's best-known cordless robot is now its entry model: 150 minutes on a full cycle, a gyroscope for straighter lines than random wandering, a 3.5-litre top-load basket and a 50-foot rating.
Best for: A mid-size pool and a first robot around $500

Aiper
Aiper Scuba S3
~$650
- Pool fit
- ~79 ft (floor only)240 min floor-only runtime at 13 sq ft/min — walls not counted
- Filtration
- 3 µm · fine dust and algae
- Retrieval
- Parks for pickup · 18 lb
Aiper's S3 brings the 3-micron ultra-fine layer down to $650 and parks at the waterline for retrieval.
Best for: Fine-dust pools on a mid-range budget
| Specification | Aiper Scuba S1 | Aiper Scuba S3 |
|---|---|---|
| Approx. price | ~$500 | ~$650 |
| Type | Cordless floor+wall+waterline | Cordless floor+wall+waterline |
| Power | Cordless | Cordless |
| Cleans | Floor, walls, waterline | Floor, walls, waterline |
| Pool fit | ~49 ft | ~79 ft, floor only |
| Maker's pool claim | 50 ft / 1,600 sq ft | 1,614 sq ft |
| Runtime, floor + walls | 150 min | not published |
| Runtime, floor only | 240 min | 240 min |
| Charge time | 4 h | 4 h |
| Finest filter | 180 µm | 3 µm |
| Filtration tier | Sand, grit and leaves | Fine dust and algae |
| Filter | 180 µm top-load basket | 180 µm standard filter plus 3 µm ultra-fine filter |
| Basket | 3.5 L | 3.5 L |
| Weight | 17 lb | 18 lb |
| Retrieval | You fish out 17 lb | Parks for pickup · 18 lb |
| Self-parking | not published | Yes |
| Navigation | Gyroscope | not published |
| App control | No | not published |
| Pool types | not published | in-ground |
| Surfaces | concrete, fiberglass, vinyl, tile | concrete, fiberglass, vinyl, tile |
| Warranty | 2 years | 2 years |
| Cost per swim season | $250 floor | $325 floor |
Aiper Scuba S1: what it gives up
- No app, where the S1 Pro, X1 and V3 all have one
- 180 µm basket and no ultra-fine layer in the box
- Aiper's own tables disagree on its full-cycle runtime (150 or 180 minutes)
- No horizontal waterline scrub; the S1 Pro and X1 have one
Aiper Scuba S3: what it gives up
- Only an ECO runtime is published, not a full-cycle one
- 3.5 L basket fills faster under the ultra-fine layer
- Rated to 1,614 sq ft, three-quarters of the X1's 2,150
Full specifications: Aiper Scuba S1 · Aiper Scuba S3