Polar M430 vs. Fitbit Alta HR vs. Fitbit Flex vs. Mobvoi TicWatch S2 vs. Apple Watch 7

 
M430
Alta HR
Flex
TicWatch S2
Watch 7
 PolarM430Remove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowMobvoiTicWatch S2Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$255$150$100$180$429
Release20172017201320192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours7 days5 days2 DAYS18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128128 x 36NA400 x 400396 x 484
Size1.4 inch1.4 inchesNA1.39 inches1.9 inches
TouchNA
TypeLCDOLEDLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR301 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWear OSWatchOS 8
Apps
Music

All Wearables