Fitbit Flex 2 vs. Polar M430 vs. Garmin Forerunner 235 vs. Diesel On Full Guard 2.5 vs. Apple Watch 7

 
Flex 2
M430
Forerunner 235
On Full Guard 2.5
Watch 7
 FitbitFlex 2Remove Buy NowPolarM430Remove Buy NowGarminForerunner 235Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$255$299.99$325$429
Release20162017201720182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 hours9 days4 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128x128215 x 180454x454396 x 484
Sizen/a1.4 inch1.23 inches1.39 inches1.9 inches
Touchn/a
TypeLEDLCDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATM3 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWatchOS 8
Apps
Music

All Wearables