Polar M430 vs. Fitbit Flex vs. Diesel On Full Guard 2.5 vs. Fitbit Versa 2 vs. Apple Watch Ultra

 
M430
Flex
On Full Guard 2.5
Versa 2
Watch Ultra
 PolarM430Remove Buy NowFitbitFlexRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowFitbitVersa 2Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$255$100$325$199$799
Release20172013201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours5 days4 days5 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128NA454x454300 x 300502x410 pixels
Size1.4 inchNA1.39 inches1.34 inches1.92 inches
TouchNA
TypeLCDLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR301 ATM3 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWear OSBuild-inWatchOS 9
Apps
Music

All Wearables