Fitbit Alta vs. Fitbit Ionic vs. MobVoi TicWatch Pro vs. Apple Watch Series 4 vs. Amazfit T-Rex

 
Alta
Ionic
TicWatch Pro
Watch Series 4
T-Rex
 FitbitAltaRemove Buy NowFitbitIonicRemove Buy NowMobVoiTicWatch ProRemove Buy NowAppleWatch Series 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$299$300$329$140
Release20162017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days30 daysNot Yet20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250400 x 400384 x 480360 x 360
Sizen/a1.421.4 inches1.78 inches1.3 inches
Touchn/a
TypeOLEDOLEDOLED/FSTNMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50mIP68Not Yet5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aFitbit OSWear OSWatch OS 5Build-in
Apps
Music

All Wearables