Olio Model One vs. Huawei Watch 2 vs. Fitbit Alta HR vs. Amazfit T-Rex

 
Model One
Watch 2
Alta HR
T-Rex
 OlioModel OneRemove Buy NowHuaweiWatch 2Remove Buy NowFitbitAlta HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$595$350$150$140
Release2015201720172019

Activity & Fitness

Caloriesn/a
Cycling (Bicycling)n/a
Distancen/a
Heartn/a
Oxygenn/a
Sleepn/a
Stepsn/a
Swimn/a

Battery

Duration2 days48 hours7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPSn/a
NFCn/a
Wi-Fi

Display

Color
Resolutionn/a480 x 480128 x 36360 x 360
Sizen/a1.38 inches1.4 inches1.3 inches
Touch
Typen/aP-OLEDOLEDAMOLED

Functions

Audio Speakern/a
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometern/a
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATMIP685 ATM

Notifications

Phonen/a
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Build-in
Appsn/a
Music

All Wearables