Both have GPS and 5 ATM. The Solar Ultra is for hiking, the Hyper has offline maps.

Short answer

Haylou Solar Ultra - barometer, 450 mAh and up to 12 days, cheaper. Haylou Watch Hyper - 1.97" and 1 GB for offline maps, lighter (47.2 g).

Key differences

SpecHaylou Solar UltraHaylou Watch Hyper
Display1.6", AMOLED (S-AMOLED), 480×4801.97", AMOLED (S-AMOLED), 390×450
Memory—1 GB
Battery lifeup to 12 days—
Battery450 mAh370 mAh
ConnectivityBluetoothBluetooth
NavigationGPSGPS
Sensorsheart rate, SpO2, barometer, compasscompass
Protection5 ATM5 ATM
CompatibilityAndroid 9.0+, iOS 13.0+Android 9.0+, iOS 13.4+
Dimensions, weight51.4×51.4×15.12 mm, 56.6 g46.7×40.6×11.5 mm, 47.2 g
Pricecurrent pricescurrent prices

Specs come from the device pages on Smartphone.ua.

Display

Round 1.6" 480×480 vs rectangular 1.97" 390×450.

Maps

The Hyper has 1 GB for offline maps.

Case

51.4 mm, 15.12 mm and 56.6 g vs 46.7 mm, 11.5 mm and 47.2 g.

Verdict: who should buy which

  • Hiking and barometer - Haylou Solar Ultra.
  • Offline maps - Haylou Watch Hyper.

FAQ

Is there GPS?
Yes, on both.

Can you swim with them?
Yes, 5 ATM.

Which is cheaper?
The Solar Ultra.

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