Polar M430 vs. Pebble Time 2 vs. Fitbit Charge 3 vs. Fitbit Flex vs. Amazfit GTR

 
M430
Time 2
Charge 3
Flex
GTR
 PolarM430Remove Buy NowPebbleTime 2Remove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$255$199$150$100$199
Release20172016201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours10 days7 days5 days24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNANot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution128x128NA66 x 18NA454 x 454
Size1.4 inchNA.721 inchesNA1.39 inches
TouchNA
TypeLCDe-paperOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR303 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSNANABuild-in
Apps
Music

All Wearables