Fitbit Flex 2 vs. Fitbit Ionic vs. Fitbit Charge HR vs. Mobvoi TicWatch e2 vs. Amazfit T-Rex

 
Flex 2
Ionic
Charge HR
TicWatch e2
T-Rex
 FitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowFitbitCharge HRRemove Buy NowMobvoiTicWatch e2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$299$150$200$140
Release20162017201520192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days5 days1 day20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a348x250NA360 x 360360 x 360
Sizen/a1.42NA1.2 inches1.3 inches
Touchn/aNA
TypeLEDOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m1 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSNAWear OSBuild-in
Apps
Music

All Wearables