Dolphin E10 vs Dolphin (Maytronics) Nautilus EON 120d
Researched by Riley Hart · prices checked Oct 26, 2026
As of Oct 26, 2026, the Dolphin E10 costs $568 and the Dolphin (Maytronics) Nautilus EON 120d costs $1,199, so the Dolphin E10 is $631 cheaper. Pick the Dolphin E10 for flat floor above-ground pools. Pick the Dolphin (Maytronics) Nautilus EON 120d for fine dirt and sun ledges.
- Cleans
- Floor only
- Power
- Corded
- Runtime
- About 1.5 h cycle
- Max pool
- Up to 30 ft long
A low cost way to keep a flat above-ground pool floor clean without a booster pump or charging. It does not climb walls, has no timer, and its short cycle means big jobs need restarts. Buy it for floor debris in a small above-ground pool, not for walls or silt.
Full Dolphin E10 review →- Cleans
- Floor
- Power
- Cordless
- Runtime
- 1.5 to 2.5 h cycles
- Max pool
- 50 ft long
A good fit for cordless buyers who care most about trapping fine dirt and want a robot that reaches 8 inch sun ledges. PCWorld found its filter caught debris very well but was a real chore to empty, and it sometimes missed corners and leaves on steps. Check the warranty, which is only 1 year on the Nautilus listing.
Full Dolphin (Maytronics) Nautilus EON 120d review →Side by side
| Dolphin E10 | Dolphin (Maytronics) Nautilus EON 120d | |
|---|---|---|
| Price | $568 | $1,199 |
| 3 year cost | $568 | $1,199 |
| Our score | Not scored yet | Not scored yet |
| Rank in Pool | #7 | #11 |
| Status | on sale | on sale |
| Warranty | 2 years | 1 year (Nautilus EON 120d listing) |
| Pool types | Above-ground; any surface, salt or chlorine | In-ground and above-ground; rectangular, round, free form, kidney |
| Cleans | Floor only; no wall or waterline cleaning | Floor, walls, waterline, steps, sun ledges as shallow as 8 in, corners |
| Power | Corded, 24 VDC, 40 ft cable | Cordless, lithium-ion (capacity not published) |
| Runtime | About 1.5 h cycle | Cycles of 1.5, 2 or 2.5 h; Maytronics blog claims up to 4 h per charge; UltraRun short cycles claimed to last up to 2.5 weeks per charge |
| Filter | Top load ultra fine filter basket | DebrisLock ultra fine backwash filter, top access |
| Max pool size | Up to 30 ft long | Pools up to 50 ft long |
| App | None; no remote and no timer | Maytronics One app for scheduling, monitoring and alerts |
| Suction | 3,962 gph | n/a |
| Weight | 13.9 lb | 24.255 lb |
| Warranty | 2 years | 1 year on the Nautilus listing (3 years on the store exclusive EON 120d listing) |
| Best for | flat floor above-ground pools | fine dirt and sun ledges |
| Skip if | you need wall or waterline cleaning | you hate fiddly filter cleaning |
Specs are maker claims unless a reviewer is named. Prices from the stores we link, checked daily.
What reviewers found
Dolphin E10
- Poolbots (retailer review): In their test it cleaned floors reasonably well with an easy basket, but it does not clean walls or the waterline, has no scheduler, tangles easily, and let silt and sand cloud the water. Source
Dolphin (Maytronics) Nautilus EON 120d
- PCWorld: Tested the EON 120d: DebrisLock filter trapped all types of debris and coverage reached about 95% on the longest cycle, but emptying the filter was a huge pain, it missed corners, failed to start twice at first, and often flipped onto its back. Source
- The Pool Nerd: Notes the EON line cleans water as shallow as about 8 in with better than basic mesh filtering, but still requires hooking, lifting, drying and charging; Clicker retrieval is mentioned for the 120d. Source
Pros and cons
Dolphin E10
Pros
- Low price for a Dolphin
- Light at about 14 lb
- Easy top load basket
- Plug and play, no charging
Cons
- Floor only cleaning
- No timer or app
- Poolbots found it prone to tangling
- Fine filter lets silt and sand through per Poolbots
Dolphin (Maytronics) Nautilus EON 120d
Pros
- Very effective fine debris filter per PCWorld
- Cleans ledges as shallow as 8 in
- App scheduling with UltraRun short cycles
- Handled stairs well in testing
Cons
- Filter is hard to empty per PCWorld
- Missed corners and some step leaves
- Battery size and charge time not published
- 1 year warranty on the Nautilus version
Questions buyers ask
Which is better, the Dolphin E10 or the Dolphin (Maytronics) Nautilus EON 120d?
Pick the Dolphin E10 for flat floor above-ground pools. Pick the Dolphin (Maytronics) Nautilus EON 120d for fine dirt and sun ledges.
Which is cheaper?
The Dolphin E10 at $568, versus $1,199 for the Dolphin (Maytronics) Nautilus EON 120d, checked Oct 26, 2026.
What is the difference between the E10 and the Nautilus EON 120d?
Pool types: Above-ground; any surface, salt or chlorine on the E10, In-ground and above-ground; rectangular, round, free form, kidney on the Nautilus EON 120d. Cleans: Floor only; no wall or waterline cleaning on the E10, Floor, walls, waterline, steps, sun ledges as shallow as 8 in, corners on the Nautilus EON 120d. Power: Corded, 24 VDC, 40 ft cable on the E10, Cordless, lithium-ion (capacity not published) on the Nautilus EON 120d.
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