Fitbit Charge 2 vs. Amazfit Bip vs. Mobvoi TicWatch S vs. Fitbit Alta HR vs. Amazfit T-Rex

 
Charge 2
Bip
TicWatch S
Alta HR
T-Rex
 FitbitCharge 2Remove Buy NowAmazfitBipRemove Buy NowMobvoiTicWatch SRemove Buy NowFitbitAlta HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$99.99$199$150$140
Release20162018201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 days1.5-2 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a176 x 176400 x 400128 x 36360 x 360
Sizen/a1.28 inches1.4 inches1.4 inches1.3 inches
Touchn/a
TypeOLEDNAOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP68IP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0Build-in
Apps
Music

All Wearables