Polar M400 vs. Moov Now vs. Fitbit Ionic vs. Garmin Vivoactive 3 vs. HTC re Grip

 
M400
Now
Ionic
Vivoactive 3
re Grip
 PolarM400Remove Buy NowMoovNowRemove Buy NowFitbitIonicRemove Buy NowGarminVivoactive 3Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$79$299$299$199
Release20142015201720172020

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months4+ days7 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a348x250240 x 240160 x 32
Sizen/an/a1.421.2 inches1.8 inches
Touchn/a
Typen/an/aOLEDMIPPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMn/a50m5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSNA
Apps
Music

All Wearables