Pebble Time Round vs. Polar M600 vs. Casio WSD-F20A vs. Fitbit Flex vs. Polar Loop

 
Time Round
M600
WSD-F20A
Flex
Loop
 PebbleTime RoundRemove Buy NowPolarM600Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$200$330$399$100$100
Release20152016201820132013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days2 days1 day5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240320 x 320NANA
Sizeround1.3 inches1.32 inchesNANA
Touchn/aNA
Typee-paperTFTLCDLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7IPX85 ATM1 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid WearWear OSNANA
Apps
Music

All Wearables