Polar M400 vs. TomTom Adventurer vs. Fitbit Alta vs. Amazfit Stratos vs. Apple Series 6

 
M400
Adventurer
Alta
Stratos
Series 6
 PolarM400Remove Buy NowTomTomAdventurerRemove Buy NowFitbitAltaRemove Buy NowAmazfitStratosRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$200$350$130$199$399
Release20142016201620182020

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a5 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a320 x 300384 x 480
Sizen/an/an/a1.34 inches40mm
Touchn/a
Typen/an/aOLEDOLEDMicroLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance3 ATM5 ATMn/a5 ATM

Notifications

Phonen/a
Emailsn/an/a
Textsn/a

Software

Operating Systemn/an/an/aProprietaryWatchOS 5
Apps
Music

All Wearables