Pebble Time Round vs. Pebble Core vs. Fitbit Inspire HR vs. Amazfit T-Rex vs. Fitbit Sense 2

 
Time Round
Core
Inspire HR
T-Rex
Sense 2
 PebbleTime RoundRemove Buy NowPebbleCoreRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$200$99$99$140$300
Release20152016201920192022

Activity & Fitness

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

Battery

Duration2 daysNA5 days20 days6 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA139 x 60360 x 360336x336
SizeroundNA1.4 inches1.3 inches1.59 inches
TouchNA
Typee-paperNAOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7NA5 ATM5 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemPebble OSNAFitbit OSBuild-in
Apps
Music

All Wearables