Fitbit Flex 2 vs. Polar M430 vs. Samsung Gear 2 vs. Fitbit Charge HR vs. HTC re Grip

 
Flex 2
M430
Gear 2
Charge HR
re Grip
 FitbitFlex 2Remove Buy NowPolarM430Remove Buy NowSamsungGear 2Remove Buy NowFitbitCharge HRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$255$300$150$199
Release20162017201420152020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration5 days30 hours2-3 days5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128x128320 x 320NA160 x 32
Sizen/a1.4 inch1.63 inchesNA1.8 inches
Touchn/aNA
TypeLEDLCDSuper AMOLEDOLEDPMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR30IP671 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizen OSNANA
Apps
Music

All Wearables