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

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

Basic Info

Suggested Price$100$255$300$150$199
Release20162017201420172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration5 days30 hours2-3 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128x128320 x 320128 x 36160 x 32
Sizen/a1.4 inch1.63 inches1.4 inches1.8 inches
Touchn/a
TypeLEDLCDSuper AMOLEDOLEDPMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR30IP67IP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizen OSNA
Apps
Music

All Wearables