Two DIDO watches with AMOLED and IP68. The Fit Pro has GPS and costs less.
Short answer
DIDO AI Fit Pro - built-in GPS, round 1.46" 360×360, up to 8 days, cheaper. DIDO AI R55S Pro - a big 2" 320×385 and 450 mAh.
Key differences
| Spec | DIDO AI Fit Pro | DIDO AI R55S Pro |
|---|---|---|
| Display | 1.46", AMOLED (S-AMOLED), 360×360 | 2", AMOLED (S-AMOLED), 320×385 |
| Battery life | up to 8 days | up to 7 days |
| Battery | — | 450 mAh |
| Connectivity | Bluetooth | Bluetooth |
| Navigation | GPS | none |
| Sensors | heart rate, SpO2 | heart rate, SpO2 |
| Protection | IP68 | IP68 |
| Compatibility | Android, iOS, HarmonyOS | Android, iOS |
| Price | current prices | current prices |
Specs come from the device pages on Smartphone.ua.
What's the same
AMOLED, heart rate, SpO2, IP68.
Navigation
Only the Fit Pro has GPS.
Display
Round 1.46" vs rectangular 2".
Verdict: who should buy which
- Running without a phone and price - DIDO AI Fit Pro.
- Big screen - DIDO AI R55S Pro.
FAQ
What's the battery life?
Up to 8 and up to 7 days.
Do they work with an iPhone?
Yes.
Which is cheaper?
The AI Fit Pro.
Read also
- Specs: DIDO AI Fit Pro, DIDO AI R55S Pro


