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

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

Basic Info

Suggested Price$200$100$399$130$100
Release20152016201820142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days1 day7-10 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 320NANA
Sizeroundn/a1.32 inchesNANA
Touchn/aNA
Typee-paperLEDLCDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM5 ATM1 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aWear OSNANA
Apps
Music

All Wearables