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

 
Charge 2
Now
Charge 3
Flex
re Grip
 FitbitCharge 2Remove Buy NowMoovNowRemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$79$150$100$199
Release20162015201820132020

Activity & Fitness

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

Battery

Duration5 days6 months7 days5 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/an/a66 x 18NA160 x 32
Sizen/an/a.721 inchesNA1.8 inches
Touchn/an/aNA
TypeOLEDn/aOLEDLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistancen/an/a5 ATM1 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNANANA
Apps
Music

All Wearables