Pebble Time vs. Pebble Time Round vs. Polar M400 vs. Fitbit Inspire 3

 
Time
Time Round
M400
Inspire 3
 PebbleTimeRemove Buy NowPebbleTime RoundRemove Buy NowPolarM400Remove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$150$200$200$100
Release2015201520142022

Activity & Fitness

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

Battery

Duration7 days2 days8 hours to 30 days10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/an/a32x18
Size1.26 inchesroundn/a46 inches
Touch
Typee-papere-papern/aAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX73 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSPebble OSn/a
Apps
Music

All Wearables