Olio Model One vs. Amazfit Stratos vs. Amazfit T-Rex vs. HTC re Grip

 
Model One
Stratos
T-Rex
re Grip
 OlioModel OneRemove Buy NowAmazfitStratosRemove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$595$199$140$199
Release2015201820192020

Activity & Fitness

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

Battery

Duration2 days5 days20 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPSn/a
NFCn/a
Wi-Fi

Display

Color
Resolutionn/a320 x 300360 x 360160 x 32
Sizen/a1.34 inches1.3 inches1.8 inches
Touch
Typen/aOLEDAMOLEDPMOLED

Functions

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

Hardware

Accelerometern/a
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMIP57

Notifications

Phonen/a
Emails
Texts

Software

Operating Systemn/aProprietaryBuild-inNA
Appsn/a
Music

All Wearables