Fitbit Flex 2 vs. Amazfit Stratos vs. Fitbit Flex vs. Michael Kors Access Sofie HR vs. HTC re Grip

 
Flex 2
Stratos
Flex
Access Sofie HR
re Grip
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowFitbitFlexRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$199$100$395$199
Release20162018201320192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days5 days2 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300NA390 x 390160 x 32
Sizen/a1.34 inchesNA1.19 inches1.8 inches
Touchn/aNA
TypeLEDOLEDLEDOMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM0.3 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNAWear OSNA
Apps
Music

All Wearables