Fitbit One vs. Fitbit Flex vs. Amazfit Verge vs. Amazfit T-Rex vs. HTC re Grip

 
One
Flex
Verge
T-Rex
re Grip
 FitbitOneRemove Buy NowFitbitFlexRemove Buy NowAmazfitVergeRemove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$100$160$140$199
Release20122013201920192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days5 days5 days20 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA454x454360 x 360160 x 32
Sizen/aNA1.39 inches1.3 inches1.8 inches
TouchNA
TypeOLEDLEDOMOLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant1 ATMIP685 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAAMAZFIT OSBuild-inNA
Apps
Music

All Wearables