Pebble Time Round vs. TomTom Spark vs. Fitbit Ionic vs. Casio WSD-F20A vs. Polar A370

 
Time Round
Spark
Ionic
WSD-F20A
A370
 PebbleTime RoundRemove Buy NowTomTomSparkRemove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$200$150$299$399$179.95
Release20152015201720182017

Activity & Fitness

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

Battery

Duration2 daysn/a4+ days1 dayUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a348x250320 x 320160 x 80
Sizeroundn/a1.421.32 inches1.18 inches
Touch
Typee-paperLCDOLEDLCDTFT LCD

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM50m5 ATMWR30

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemPebble OSn/aFitbit OSWear OS
Apps
Music

All Wearables