Fitbit Alta vs. Fitbit Flex 2 vs. Moov Now vs. Casio WSD-F20A vs. Amazfit T-Rex

 
Alta
Flex 2
Now
WSD-F20A
T-Rex
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowMoovNowRemove Buy NowCasioWSD-F20ARemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$100$79$399$140
Release20162016201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days6 months1 day20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a320 x 320360 x 360
Sizen/an/an/a1.32 inches1.3 inches
Touchn/an/an/a
TypeOLEDLEDn/aLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistancen/a5 ATMn/a5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aWear OSBuild-in
Apps
Music

All Wearables