Pebble Time Round vs. Fitbit Flex vs. Pebble Core vs. Polar Loop vs. Amazfit T-Rex

 
Time Round
Flex
Core
Loop
T-Rex
 PebbleTime RoundRemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$100$99$100$140
Release20152013201620132019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration2 days5 daysNA5 days20 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNANANA360 x 360
SizeroundNANANA1.3 inches
TouchNANA
Typee-paperLEDNALEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX71 ATMNA2 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemPebble OSNANANABuild-in
Apps
Music

All Wearables