Fitbit Flex 2 vs. Moov Now vs. Fitbit Charge 3 vs. Amazfit GTS vs. HTC re Grip

 
Flex 2
Now
Charge 3
GTS
re Grip
 FitbitFlex 2Remove Buy NowMoovNowRemove Buy NowFitbitCharge 3Remove Buy NowAmazfitGTSRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$79$150$150$199
Release20162015201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months7 days14 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/an/a66 x 18348 x 442160 x 32
Sizen/an/a.721 inches1.65 inches1.8 inches
Touchn/an/a
TypeLEDn/aOLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWear OSNA
Apps
Music

All Wearables