Pebble Time Round vs. TomTom Spark vs. Fitbit Zip vs. Polar Loop vs. Amazfit T-Rex

 
Time Round
Spark
Zip
Loop
T-Rex
 PebbleTime RoundRemove Buy NowTomTomSparkRemove Buy NowFitbitZipRemove Buy NowPolarLoopRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$150$60$100$140
Release20152015201220132019

Activity & Fitness

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

Battery

Duration2 daysn/a6 months5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/aNA360 x 360
Sizeroundn/an/aNA1.3 inches
Touch
Typee-paperLCDn/aLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATMSplash Resistant2 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemPebble OSn/an/aNABuild-in
Apps
Music

All Wearables