Fitbit Surge vs. Pebble Time Round vs. Fitbit Ionic vs. Casio WSD-F20A vs. Fitbit Flex

 
Surge
Time Round
Ionic
WSD-F20A
Flex
 FitbitSurgeRemove Buy NowPebbleTime RoundRemove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$250$200$299$399$100
Release20162015201720182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days2 days4+ days1 day5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a348x250320 x 320NA
Size1.26 inchesround1.421.32 inchesNA
TouchNA
TypeMonochrome LCDe-paperOLEDLCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX750m5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aPebble OSFitbit OSWear OSNA
Apps
Music

All Wearables