Fitbit Flex 2 vs. Fitbit Zip vs. Garmin Vivofit 3 vs. Michael Kors Access Sofie HR vs. Amazfit GTR

 
Flex 2
Zip
Vivofit 3
Access Sofie HR
GTR
 FitbitFlex 2Remove Buy NowFitbitZipRemove Buy NowGarminVivofit 3Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$60$100$395$199
Release20162012201620192019

Activity & Fitness

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

Battery

Duration5 days6 months1 year2 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a64 x 64390 x 390454 x 454
Sizen/an/a0.55 inches1.19 inches1.39 inches
Touchn/a
TypeLEDn/an/aOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash Resistant5 ATM0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWear OSBuild-in
Apps
Music

All Wearables