Polar M400 vs. Fitbit Flex 2 vs. Garmin Forerunner 935 vs. Acer Liquid Leap vs. Mobvoi TicWatch e2

 
M400
Flex 2
Forerunner 935
Liquid Leap
TicWatch e2
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowGarminForerunner 935Remove Buy NowAcerLiquid LeapRemove Buy NowMobvoiTicWatch e2Remove Buy Now

Basic Info

Suggested Price$200$100$500$90$200
Release20142016201720152019

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 daysUp to 2 weeks5 to 7 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a240 x 240128 x 32360 x 360
Sizen/an/a1.2 inches1 inch1.2 inches
Touchn/a
Typen/aLEDLCDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATMIPX4IP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OS
Apps
Music

All Wearables