Pebble Time vs. Polar Loop 2 vs. Fitbit Ionic vs. Jawbone UP4 vs. Amazfit GTR

 
Time
Loop 2
Ionic
UP4
GTR
 PebbleTimeRemove Buy NowPolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowJawboneUP4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$120$299$200$199
Release20152015201720152019

Activity & Fitness

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

Battery

Duration7 days8 days (without notifications)4+ daysNA24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a348x250NA454 x 454
Size1.26 inchesn/a1.42NA1.39 inches
TouchNA
Typee-paperLEDOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM50mNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aFitbit OSNABuild-in
Apps
MusicNA

All Wearables