Pebble Time Round vs. Casio WSD-F20A vs. Garmin Forerunner 235 vs. Fitbit Alta HR vs. Fitbit Flex

 
Time Round
WSD-F20A
Forerunner 235
Alta HR
Flex
 PebbleTime RoundRemove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$399$299.99$150$100
Release20152018201720172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days1 day9 days7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320215 x 180128 x 36NA
Sizeround1.32 inches1.23 inches1.4 inchesNA
TouchNA
Typee-paperLCDMIPOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSWear OSNA
Apps
Music

All Wearables