Fitbit Flex 2 vs. Polar M430 vs. Amazfit Stratos vs. Mobvoi TicWatch S2 vs. HTC re Grip

 
Flex 2
M430
Stratos
TicWatch S2
re Grip
 FitbitFlex 2Remove Buy NowPolarM430Remove Buy NowAmazfitStratosRemove Buy NowMobvoiTicWatch S2Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$255$199$180$199
Release20162017201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 hours5 days2 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/a128x128320 x 300400 x 400160 x 32
Sizen/a1.4 inch1.34 inches1.39 inches1.8 inches
Touchn/a
TypeLEDLCDOLEDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryWear OSNA
Apps
Music

All Wearables