Pebble Time Round vs. TomTom Spark vs. Garmin Vivofit 4 vs. Polar A370 vs. Polar Loop

 
Time Round
Spark
Vivofit 4
A370
Loop
 PebbleTime RoundRemove Buy NowTomTomSparkRemove Buy NowGarminVivofit 4Remove Buy NowPolarA370Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$200$150$79.95$179.95$100
Release20152015201820172013

Activity & Fitness

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

Battery

Duration2 daysn/a1 yearUp to 3 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a88 x 88160 x 80NA
Sizeroundn/aNA1.18 inchesNA
Touch
Typee-paperLCDNATFT LCDLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM5 ATMWR302 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemPebble OSn/aNA
Apps
Music

All Wearables