Polar M400 vs. TomTom Spark vs. Fossil Q Reveler vs. Fitbit Alta HR vs. Mobvoi TicWatch e2

 
M400
Spark
Q Reveler
Alta HR
TicWatch e2
 PolarM400Remove Buy NowTomTomSparkRemove Buy NowFossilQ RevelerRemove Buy NowFitbitAlta HRRemove Buy NowMobvoiTicWatch e2Remove Buy Now

Basic Info

Suggested Price$200$150$125$150$200
Release20142015201520172019

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a7 days7 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/a128 x 36360 x 360
Sizen/an/an/a1.4 inches1.2 inches
Touchn/a
Typen/aLCDn/aOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP67IP68

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aWear OS
Apps
Music

All Wearables