Polar M600 vs. Fitbit Alta vs. Fitbit Charge 2 vs. Acer Liquid Leap vs. Amazfit T-Rex

 
M600
Alta
Charge 2
Liquid Leap
T-Rex
 PolarM600Remove Buy NowFitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowAcerLiquid LeapRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$330$130$150$90$140
Release20162016201620152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days5 days5 to 7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/an/a128 x 32360 x 360
Size1.3 inchesn/an/a1 inch1.3 inches
Touchn/an/an/a
TypeTFTOLEDOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/an/aIPX45 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/an/aBuild-in
Apps
Music

All Wearables