Polar M600 vs. TomTom Spark vs. Fitbit Flex vs. Amazfit T-Rex vs. Apple Watch 8

 
M600
Spark
Flex
T-Rex
Watch 8
 PolarM600Remove Buy NowTomTomSparkRemove Buy NowFitbitFlexRemove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$330$150$100$140$499
Release20162015201320192022

Activity & Fitness

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

Battery

Duration2 daysn/a5 days20 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/aNA360 x 360340 x 272 or 390 x 312
Size1.3 inchesn/aNA1.3 inches1.5 inches or 1.65 inches
Touchn/aNA
TypeTFTLCDLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM1 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aNABuild-inWatchOS 9
Apps
Music

All Wearables