Pebble Steel vs. Pebble Time Round vs. Polar M400 vs. Fitbit Ionic vs. Fitbit Inspire HR

 
Steel
Time Round
M400
Ionic
Inspire HR
 PebbleSteelRemove Buy NowPebbleTime RoundRemove Buy NowPolarM400Remove Buy NowFitbitIonicRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$150$200$200$299$99
Release20142015201420172019

Activity & Fitness

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

Battery

Duration5-7 days2 days8 hours to 30 days4+ days5 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/a348x250139 x 60
Size1.26 inchesroundn/a1.421.4 inches
Touch
Typee-papere-papern/aOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX73 ATM50m5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSPebble OSn/aFitbit OSFitbit OS
Apps
Music

All Wearables