Pebble Time Steel vs. Polar M400 vs. Fitbit One vs. Fitbit Alta HR vs. Fitbit Sense 2

 
Time Steel
M400
One
Alta HR
Sense 2
 PebbleTime SteelRemove Buy NowPolarM400Remove Buy NowFitbitOneRemove Buy NowFitbitAlta HRRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$250$200$100$150$300
Release20152014201220172022

Activity & Fitness

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

Battery

Duration10 days8 hours to 30 days10-14 days7 days6 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/an/a128 x 36336x336
Size1.26 inchesn/an/a1.4 inches1.59 inches
Touch
Typee-papern/aOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMSplast Resistant5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/a
Apps
Music

All Wearables