Polar M400 vs. TomTom Spark vs. Withings Activite Sapphire vs. Mobvoi TicWatch S vs. Fitbit Versa 2

 
M400
Spark
Activite Sapphire
TicWatch S
Versa 2
 PolarM400Remove Buy NowTomTomSparkRemove Buy NowWithingsActivite SapphireRemove Buy NowMobvoiTicWatch SRemove Buy NowFitbitVersa 2Remove Buy Now

Basic Info

Suggested Price$200$150$450$199$199
Release20142015201420172019

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a8 months1.5-2 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a400 x 400300 x 300
Sizen/an/a1.3 inches1.4 inches1.34 inches
Touch
Typen/aLCDAnalogOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATMIP675 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aAndroid Wear 2.0Build-in
Apps
Music

All Wearables