Fitbit Ionic vs. Asus VivoWatch vs. Jawbone UP4 vs. Amazfit T-Rex vs. HTC re Grip

 
Ionic
VivoWatch
UP4
T-Rex
re Grip
 FitbitIonicRemove Buy NowAsusVivoWatchRemove Buy NowJawboneUP4Remove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$299$160$200$140$199
Release20172018201520192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days24 hours to 10 daysNA20 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNANANA
WindowsNANANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250128 x 128NA360 x 360160 x 32
Size1.42NANA1.3 inches1.8 inches
TouchNA
TypeOLEDNANAAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance50mIP67NA5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSKoodOSNABuild-inNA
Apps
MusicNA

All Wearables