Pebble Time Round vs. TomTom Spark vs. Fitbit Flex vs. Polar A370 vs. Polar Loop

 
Time Round
Spark
Flex
A370
Loop
 PebbleTime RoundRemove Buy NowTomTomSparkRemove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$200$150$100$179.95$100
Release20152015201320172013

Activity & Fitness

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

Battery

Duration2 daysn/a5 daysUp to 3 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNA160 x 80NA
Sizeroundn/aNA1.18 inchesNA
TouchNA
Typee-paperLCDLEDTFT LCDLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM1 ATMWR302 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemPebble OSn/aNANA
Apps
Music

All Wearables