Polar M400 vs. Fitbit Alta vs. Amazfit Pace vs. Jaybird Reign vs. Apple SE

 
M400
Alta
Pace
Reign
SE
 PolarM400Remove Buy NowFitbitAltaRemove Buy NowAmazfitPaceRemove Buy NowJaybirdReignRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$200$130$130$150$279
Release20142016201720152020

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days5 days5 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 300NA384 x 480
Sizen/an/a1.34 inchesNA40mm
Touchn/aNA
Typen/aOLEDTFT LCDLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance3 ATMn/aIP67NA

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aProprietaryNAWatchOS 5
Apps
Music

All Wearables