Pebble Time vs. Polar M600 vs. Fitbit Alta HR vs. Sony SmartBand vs. Amazfit T-Rex

 
Time
M600
Alta HR
SmartBand
T-Rex
 PebbleTimeRemove Buy NowPolarM600Remove Buy NowFitbitAlta HRRemove Buy NowSonySmartBandRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$330$150$100$140
Release20152016201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days2 days7 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution168 x 144240 x 240128 x 36NA360 x 360
Size1.26 inches1.3 inches1.4 inchesNA1.3 inches
Touchn/aNA
Typee-paperTFTOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX8IP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid WearNABuild-in
Apps
Music

All Wearables