Pebble Time Round vs. Polar M600 vs. TomTom Spark vs. Polar Loop 2 vs. Fitbit Flex

 
Time Round
M600
Spark
Loop 2
Flex
 PebbleTime RoundRemove Buy NowPolarM600Remove Buy NowTomTomSparkRemove Buy NowPolarLoop 2Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$330$150$120$100
Release20152016201520152013

Activity & Fitness

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

Battery

Duration2 days2 daysn/a8 days (without notifications)5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240n/an/aNA
Sizeround1.3 inchesn/an/aNA
Touchn/aNA
Typee-paperTFTLCDLEDLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7IPX85 ATM2 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemPebble OSAndroid Wearn/an/aNA
Apps
Music

All Wearables