Polar M400 vs. Withings Pulse Ox vs. Pebble Time 2 vs. Fitbit Charge 3 vs. Fitbit Inspire 3

 
M400
Pulse Ox
Time 2
Charge 3
Inspire 3
 PolarM400Remove Buy NowWithingsPulse OxRemove Buy NowPebbleTime 2Remove Buy NowFitbitCharge 3Remove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$200$120$199$150$100
Release20142014201620182022

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 weeks10 days7 days10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNANot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorblue
Resolutionn/a128 x 32NA66 x 1832x18
Sizen/an/aNA.721 inches46 inches
TouchSwipe
Typen/aOLEDe-paperOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aPebble OSNA
Apps
Music

All Wearables