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

 
Model One
Alta
Alta HR
T-Rex
 OlioModel OneRemove Buy NowFitbitAltaRemove Buy NowFitbitAlta HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$595$130$150$140
Release2015201620172019

Activity & Fitness

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

Battery

Duration2 days5 days7 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/an/a128 x 36360 x 360
Sizen/an/a1.4 inches1.3 inches
Touchn/a
Typen/aOLEDOLEDAMOLED

Functions

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

Hardware

Accelerometern/a
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM

Notifications

Phonen/a
Emailsn/a
Texts

Software

Operating Systemn/an/aBuild-in
Appsn/a
Music

All Wearables