Pebble Time Round vs. Polar M600 vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Polar Loop

 
Time Round
M600
Flex 2
WSD-F20A
Loop
 PebbleTime RoundRemove Buy NowPolarM600Remove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$200$330$100$399$100
Release20152016201620182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days2 days5 days1 day5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240n/a320 x 320NA
Sizeround1.3 inchesn/a1.32 inchesNA
Touchn/an/a
Typee-paperTFTLEDLCDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7IPX85 ATM5 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid Wearn/aWear OSNA
Apps
Music

All Wearables