Fitbit Flex vs. Jawbone UP4 vs. Pebble Core vs. Fitbit Inspire HR vs. Amazfit T-Rex

 
Flex
UP4
Core
Inspire HR
T-Rex
 FitbitFlexRemove Buy NowJawboneUP4Remove Buy NowPebbleCoreRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$200$99$99$140
Release20132015201620192019

Activity & Fitness

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

Battery

Duration5 daysNANA5 days20 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNANANA139 x 60360 x 360
SizeNANANA1.4 inches1.3 inches
TouchNANANA
TypeLEDNANAOLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATMNANA5 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemNANANAFitbit OSBuild-in
Apps
MusicNA

All Wearables