Garmin Forerunner 735XT vs. Fitbit Ionic vs. Garmin Forerunner 935 vs. Casio WSD-F20A vs. Fitbit Flex

 
Forerunner 735XT
Ionic
Forerunner 935
WSD-F20A
Flex
 GarminForerunner 735XTRemove Buy NowFitbitIonicRemove Buy NowGarminForerunner 935Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$450$299$500$399$100
Release20162017201720182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days4+ daysUp to 2 weeks1 day5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180348x250240 x 240320 x 320NA
Size1.23 inches1.421.2 inches1.32 inchesNA
Touchn/aNA
Typen/aOLEDLCDLCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m5 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWear OSNA
Apps
Music

All Wearables