Fitbit Alta vs. Apple Watch Series 2 vs. Fitbit Ionic vs. Fitbit Versa vs. Amazfit T-Rex

 
Alta
Watch Series 2
Ionic
Versa
T-Rex
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowFitbitVersaRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$269$299$199.99$140
Release20162016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours4+ days4 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312348x250300 x300360 x 360
Sizen/a1.5 inches or 1.65 inches1.421.34 inches1.3 inches
Touchn/a
TypeOLEDAMOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM50m5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSFitbit OSBuild-in
Apps
Music

All Wearables