Polar M400 vs. Fitbit Charge 2 vs. Fitbit Flex 2 vs. Apple Watch Series 2 vs. Mobvoi TicWatch S

 
M400
Charge 2
Flex 2
Watch Series 2
TicWatch S
 PolarM400Remove Buy NowFitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowMobvoiTicWatch SRemove Buy Now

Basic Info

Suggested Price$200$150$100$269$199
Release20142016201620162017

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days5 days18 hours1.5-2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a340 x 272 or 390 x 312400 x 400
Sizen/an/an/a1.5 inches or 1.65 inches1.4 inches
Touchn/an/a
Typen/aOLEDLEDAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/a5 ATM5ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWatch OSAndroid Wear 2.0
Apps
Music

All Wearables