Polar M400 vs. Garmin Forerunner 235 vs. MobVoi TicWatch Pro vs. Fitbit Flex vs. Apple Watch Series 4

 
M400
Forerunner 235
TicWatch Pro
Flex
Watch Series 4
 PolarM400Remove Buy NowGarminForerunner 235Remove Buy NowMobVoiTicWatch ProRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$200$299.99$300$100$329
Release20142017201820132018

Activity & Fitness

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

Battery

Duration8 hours to 30 days9 days30 days5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a215 x 180400 x 400NA384 x 480
Sizen/a1.23 inches1.4 inchesNA1.78 inches
TouchNA
Typen/aMIPOLED/FSTNLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP681 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNAWatch OS 5
Apps
Music

All Wearables