Polar M400 vs. Fitbit Alta vs. Misfit Flash Link vs. Diesel On Full Guard vs. Fitbit Inspire 3

 
M400
Alta
Flash Link
On Full Guard
Inspire 3
 PolarM400Remove Buy NowFitbitAltaRemove Buy NowMisfitFlash LinkRemove Buy NowDieselOn Full GuardRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$200$130$20$325$100
Release20142016201520172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 days5 days6 months1 day10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a454 x 45432x18
Sizen/an/an/a1.4 inches46 inches
Touchn/an/a
Typen/aOLEDn/aOMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/a3 ATMIP675 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aAndroid Wear 2.0
Apps
Music

All Wearables