Polar M400 vs. Fitbit Alta vs. Fossil Explorist vs. Motorola Moto 360 (1st Gen) vs. Fitbit Charge 3

 
M400
Alta
Explorist
Moto 360 (1st Gen)
Charge 3
 PolarM400Remove Buy NowFitbitAltaRemove Buy NowFossilExploristRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$200$130$255$150$150
Release20142016201820142018

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days24 hours1 day7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNANot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/an/a454 x454320 x 26066 x 18
Sizen/an/a1.4 inches1.56 inches.721 inches
Touchn/a
Typen/aOLEDAMOLEDLCDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/aIP67IP675 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWear OSAndroid WearNA
Apps
MusicNA

All Wearables