Pebble Time Steel vs. ASUS ZenWatch 3 vs. Fitbit Charge vs. Fitbit Flex vs. Amazfit T-Rex

 
Time Steel
ZenWatch 3
Charge
Flex
T-Rex
 PebbleTime SteelRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$229$130$100$140
Release20152017201420132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 days48 hours7-10 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144400 x 400NANA360 x 360
Size1.26 inches1.39 inchesNANA1.3 inches
TouchNANA
Typee-paperAMOLEDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid Wear 2NANABuild-in
Apps
Music

All Wearables