Pebble Time vs. Fitbit Flex 2 vs. Fitbit Alta HR vs. Fitbit Charge vs. Amazfit T-Rex

 
Time
Flex 2
Alta HR
Charge
T-Rex
 PebbleTimeRemove Buy NowFitbitFlex 2Remove Buy NowFitbitAlta HRRemove Buy NowFitbitChargeRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$100$150$130$140
Release20152016201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days7 days7-10 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144n/a128 x 36NA360 x 360
Size1.26 inchesn/a1.4 inchesNA1.3 inches
Touchn/aNA
Typee-paperLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aNABuild-in
Apps
Music

All Wearables