Garmin Forerunner 735XT vs. Polar M400 vs. Fitbit Ionic vs. Polar A370 vs. Michael Kors Access Sofie HR

 
Forerunner 735XT
M400
Ionic
A370
Access Sofie HR
 GarminForerunner 735XTRemove Buy NowPolarM400Remove Buy NowFitbitIonicRemove Buy NowPolarA370Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$450$200$299$179.95$395
Release20162014201720172019

Activity & Fitness

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

Battery

Duration14 hours to 11 days8 hours to 30 days4+ daysUp to 3 days2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180n/a348x250160 x 80390 x 390
Size1.23 inchesn/a1.421.18 inches1.19 inches
Touchn/a
Typen/an/aOLEDTFT LCDOMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM50mWR300.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSWear OS
Apps
Music

All Wearables