Pebble Time Round vs. TomTom Spark vs. Casio WSD-F20A vs. Fitbit Flex vs. Garmin Vivosmart 4

 
Time Round
Spark
WSD-F20A
Flex
Vivosmart 4
 PebbleTime RoundRemove Buy NowTomTomSparkRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$150$399$100$130
Release20152015201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration2 daysn/a1 day5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 320NA48 x 128
Sizeroundn/a1.32 inchesNA0.74 inches
TouchNA
Typee-paperLCDLCDLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemPebble OSn/aWear OSNA
Apps
Music

All Wearables