Fitbit Ionic vs. Amazfit Pace vs. Fitbit Flex vs. Jawbone UP4 vs. Amazfit T-Rex

 
Ionic
Pace
Flex
UP4
T-Rex
 FitbitIonicRemove Buy NowAmazfitPaceRemove Buy NowFitbitFlexRemove Buy NowJawboneUP4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$299$130$100$200$140
Release20172017201320152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 days5 daysNA20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 300NANA360 x 360
Size1.421.34 inchesNANA1.3 inches
TouchNANA
TypeOLEDTFT LCDLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIP671 ATMNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSProprietaryNANABuild-in
Apps
MusicNA

All Wearables