Fitbit Zip vs. Huawei Watch 2 vs. Fitbit Alta HR vs. Fitbit Flex vs. Amazfit T-Rex

 
Zip
Watch 2
Alta HR
Flex
T-Rex
 FitbitZipRemove Buy NowHuaweiWatch 2Remove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$60$350$150$100$140
Release20122017201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months48 hours7 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 480128 x 36NA360 x 360
Sizen/a1.38 inches1.4 inchesNA1.3 inches
TouchNA
Typen/aP-OLEDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplash ResistantIP681 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NABuild-in
Apps
Music

All Wearables