Fitbit Flex 2 vs. Polar M430 vs. Casio WSD-F20A vs. Microsoft Band vs. Apple Watch 7

 
Flex 2
M430
WSD-F20A
Band
Watch 7
 FitbitFlex 2Remove Buy NowPolarM430Remove Buy NowCasioWSD-F20ARemove Buy NowMicrosoftBandRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$255$399$200$429
Release20162017201820142021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 hours1 day2 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128x128320 x 320320 x 106396 x 484
Sizen/a1.4 inch1.32 inches1.37 inches1.9 inches
Touchn/a
TypeLEDLCDLCDCapacitative TFTMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATMIP67water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNAWatchOS 8
Apps
Music

All Wearables