Fitbit Flex 2 vs. Polar M430 vs. Fitbit Alta HR vs. Diesel On Full Guard 2.5 vs. HTC re Grip

 
Flex 2
M430
Alta HR
On Full Guard 2.5
re Grip
 FitbitFlex 2Remove Buy NowPolarM430Remove Buy NowFitbitAlta HRRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$255$150$325$199
Release20162017201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 hours7 days4 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128x128128 x 36454x454160 x 32
Sizen/a1.4 inch1.4 inches1.39 inches1.8 inches
Touchn/a
TypeLEDLCDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR303 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNA
Apps
Music

All Wearables