Olio Model One vs. Acer Liquid Leap vs. Fitbit Alta HR vs. Amazfit T-Rex vs. Apple Watch 7

 
Model One
Liquid Leap
Alta HR
T-Rex
Watch 7
 OlioModel OneRemove Buy NowAcerLiquid LeapRemove Buy NowFitbitAlta HRRemove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$595$90$150$140$429
Release20152015201720192021

Activity & Fitness

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

Battery

Duration2 days5 to 7 days7 days20 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPSn/a
NFCn/a
Wi-Fi

Display

Color
Resolutionn/a128 x 32128 x 36360 x 360396 x 484
Sizen/a1 inch1.4 inches1.3 inches1.9 inches
Touch
Typen/aOLEDOLEDAMOLEDMicroLED

Functions

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

Hardware

Accelerometern/a
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATMIPX45 ATMwater resistant but not waterproof

Notifications

Phonen/a
Emails
Texts

Software

Operating Systemn/aBuild-inWatchOS 8
Appsn/a
Music

All Wearables