Fitbit Charge 2 vs. Acer Liquid Leap vs. Fitbit Inspire HR vs. Amazfit T-Rex vs. Apple Series 6

 
Charge 2
Liquid Leap
Inspire HR
T-Rex
Series 6
 FitbitCharge 2Remove Buy NowAcerLiquid LeapRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$90$99$140$399
Release20162015201920192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 to 7 days5 days20 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 32139 x 60360 x 360384 x 480
Sizen/a1 inch1.4 inches1.3 inches40mm
Touchn/a
TypeOLEDOLEDOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/aIPX45 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSBuild-inWatchOS 5
Apps
Music

All Wearables