Polar M400 vs. Polar M600 vs. Fitbit Ionic vs. Motorola Moto 360 (1st Gen) vs. Apple Watch 7

 
M400
M600
Ionic
Moto 360 (1st Gen)
Watch 7
 PolarM400Remove Buy NowPolarM600Remove Buy NowFitbitIonicRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$330$299$150$429
Release20142016201720142021

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days4+ days1 day18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240348x250320 x 260396 x 484
Sizen/a1.3 inches1.421.56 inches1.9 inches
Touchn/a
Typen/aTFTOLEDLCDMicroLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX850mIP67water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearFitbit OSAndroid WearWatchOS 8
Apps
MusicNA

All Wearables