Pebble Time Round vs. TomTom Spark vs. Fitbit Flex 2 vs. Garmin Vivofit 4 vs. Polar Loop

 
Time Round
Spark
Flex 2
Vivofit 4
Loop
 PebbleTime RoundRemove Buy NowTomTomSparkRemove Buy NowFitbitFlex 2Remove Buy NowGarminVivofit 4Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$200$150$100$79.95$100
Release20152015201620182013

Activity & Fitness

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

Battery

Duration2 daysn/a5 days1 year5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/a88 x 88NA
Sizeroundn/an/aNANA
Touchn/a
Typee-paperLCDLEDNALED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM5 ATM5 ATM2 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemPebble OSn/an/aNA
Apps
Music

All Wearables