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

 
Time Round
Spark
Ionic
Loop
T-Rex
 PebbleTime RoundRemove Buy NowTomTomSparkRemove Buy NowFitbitIonicRemove Buy NowPolarLoopRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$150$299$100$140
Release20152015201720132019

Activity & Fitness

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

Battery

Duration2 daysn/a4+ days5 days20 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/a348x250NA360 x 360
Sizeroundn/a1.42NA1.3 inches
Touch
Typee-paperLCDOLEDLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM50m2 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemPebble OSn/aFitbit OSNABuild-in
Apps
Music

All Wearables