Fitbit Zip vs. Fitbit Alta HR vs. Garmin Vivofit 4 vs. Amazfit T-Rex vs. HTC re Grip

 
Zip
Alta HR
Vivofit 4
T-Rex
re Grip
 FitbitZipRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$60$150$79.95$140$199
Release20122017201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months7 days1 year20 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 3688 x 88360 x 360160 x 32
Sizen/a1.4 inchesNA1.3 inches1.8 inches
Touch
Typen/aOLEDNAAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplash Resistant5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuild-inNA
Apps
Music

All Wearables