Mova N1 or Sichler Haushaltsgeräte PR-330 (ZX7733): which should you choose?
Comparison of the two window-cleaning robots using our catalogue's scoring criteria, value by value. Scores are relative to all the models we have analysed.

Mova N1
Main drawbackWindow compatibility needs confirmation; mirrors are explicitly supported
Read the full analysis →
Sichler Haushaltsgeräte PR-330 (ZX7733)
Main drawbackTypical water capacity limits long sessions across large panels
Read the full analysis →Our verdict based on your priority
- Priority: “Suction pressure”Mova N1 9.3 / 10 vs 7.1
- Priority: “Water tank capacity”Mova N1 9.3 / 10 vs 6.9
- Priority: “Backup battery holding time”Mova N1 9 / 10 vs 8.5
- Priority: “Equipment”Sichler Haushaltsgeräte PR-330 (ZX7733) 8.9 / 10 vs 8.1
By criterion
| Criterion | Mova N1 | Sichler Haushaltsgeräte PR-330 (ZX7733) |
|---|---|---|
| Suction pressure | 9.3 advantage | 7.1 |
| Water tank capacity | 9.3 advantage | 6.9 |
| Backup battery holding time | 9 advantage | 8.5 |
| Equipment | 8.1 | 8.9 advantage |
A gap of less than half a point does not count as an advantage: our scores are relative to the catalogue, and using them to pick a winner would imply a level of precision we cannot offer.
Side-by-side specs
| Specification | Mova N1 | Sichler Haushaltsgeräte PR-330 (ZX7733) |
|---|---|---|
| Suction pressure | 8000 Pa | 2800 Pa |
| Electrical power | Not provided | 72 W |
| Water tank capacity | 120 ml | 50 ml |
| Backup battery holding time | 30 min | 25 min |
| Robot height | 5,9 cm | Not provided |
| Robot weight | 1,3 kg | 1,7 kg |
| Noise level | Not provided | 63 dB |
| Compatible surfaces | Mirrors | Tiles |
| Spraying | Dual spray | Automatic |
| Control | Remote control | Remote control |
| Safety features | Safety rope | UPS backup battery |
| Cleaning modes | Deep cleaning | Edges |
| Power supply during cleaning | Not disclosed | Mains-powered |
Figures published by manufacturers and retailers, compiled in our reviews. “Not provided” means the figure could not be verified.
Which is right for you?
Mova N1
Leads on 3 criteria of 4 compared
- Water tank capacity: 9.3/10 vs 6.9/10 (120 ml vs 50 ml)
- Suction pressure: 9.3/10 vs 7.1/10 (8000 Pa vs 2800 Pa)
- Backup battery holding time: 9/10 vs 8.5/10 (30 min vs 25 min)
- Power supply during cleaning: Not disclosed (unverified)
Sichler Haushaltsgeräte PR-330 (ZX7733)
Leads on 1 criterion of 4 compared
- Equipment: 8.9/10 vs 8.1/10
- Power supply during cleaning: Mains-powered
- Manufacturer's intended use: Household
Comparison based on published specifications and our scores, calculated using the same criteria for every model. Our methodology →
Frequently asked questions
Which is rated higher, Mova N1 or Sichler Haushaltsgeräte PR-330 (ZX7733)?
Mova N1 scores 8.9/10, compared with 7.9/10 for Sichler Haushaltsgeräte PR-330 (ZX7733), using the same scoring criteria.
Which wins on “Water tank capacity”?
Mova N1 wins on “Water tank capacity”: 9.3/10 compared with 6.9/10 for Sichler Haushaltsgeräte PR-330 (ZX7733). Recorded values: 120 ml versus 50 ml.
Which wins on “Suction pressure”?
Mova N1 wins on “Suction pressure”: 9.3/10 compared with 7.1/10 for Sichler Haushaltsgeräte PR-330 (ZX7733). Recorded values: 8000 Pa versus 2800 Pa.
Which wins on “Equipment”?
Sichler Haushaltsgeräte PR-330 (ZX7733) wins on “Equipment”: 8.9/10 compared with 8.1/10 for Mova N1.
Which wins on “Backup battery holding time”?
Mova N1 wins on “Backup battery holding time”: 9/10 compared with 8.5/10 for Sichler Haushaltsgeräte PR-330 (ZX7733). Recorded values: 30 min versus 25 min.
What's the difference in power supply during cleaning between the two?
Mova N1: Not disclosed (unverified). Sichler Haushaltsgeräte PR-330 (ZX7733): Mains-powered.
