Polar M430 vs. Samsung Gear 2 vs. Fitbit Alta HR vs. Garmin Vivofit 4 vs. HTC re Grip

 
M430
Gear 2
Alta HR
Vivofit 4
re Grip
 PolarM430Remove Buy NowSamsungGear 2Remove Buy NowFitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$255$300$150$79.95$199
Release20172014201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration30 hours2-3 days7 days1 year5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128320 x 320128 x 3688 x 88160 x 32
Size1.4 inch1.63 inches1.4 inchesNA1.8 inches
Touch
TypeLCDSuper AMOLEDOLEDNAPMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR30IP675 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemTizen OSNA
Apps
Music

All Wearables