Amazfit Arc vs. Motorola Moto 360 (1st Gen) vs. Fitbit Flex vs. Jawbone UP4 vs. Amazfit T-Rex

 
Arc
Moto 360 (1st Gen)
Flex
UP4
T-Rex
 AmazfitArcRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowFitbitFlexRemove Buy NowJawboneUP4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$69.99$150$100$200$140
Release20162014201320152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration20 days1 day5 daysNA20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution72 x40320 x 260NANA360 x 360
Size0.42 inches1.56 inchesNANA1.3 inches
TouchNANA
TypeOLEDLCDLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP671 ATMNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNANABuild-in
Apps
MusicNANA

All Wearables