Fitbit Flex 2 vs. Fitbit One vs. Acer Liquid Leap vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit GTR

 
Flex 2
One
Liquid Leap
Grayson
Grayson
GTR
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowAcerLiquid LeapRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$100$90$350$350$199
Release201620122015201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days5 to 7 days24 hours24 hours24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128 x 32453 x 454453x454454 x 454
Sizen/an/a1 inch1.39 inches1.39 inches1.39 inches
Touchn/a
TypeLEDOLEDOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast ResistantIPX41 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables