Pebble Time Round vs. Polar A360 vs. Casio WSD-F20A vs. Fitbit Flex vs. Amazfit GTR

 
Time Round
A360
WSD-F20A
Flex
GTR
 PebbleTime RoundRemove Buy NowPolarA360Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$200$200$399$100$199
Release20152015201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days12 days1 day5 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 80320 x 320NA454 x 454
Sizeround1.18 inches1.32 inchesNA1.39 inches
TouchNA
Typee-papern/aLCDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7WR305 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aWear OSNABuild-in
Apps
Music

All Wearables