Fitbit Charge 2 vs. Amazfit Stratos vs. Apple Watch vs. Fitbit Flex vs. Fitbit Versa 2

 
Charge 2
Stratos
Watch
Flex
Versa 2
 FitbitCharge 2Remove Buy NowAmazfitStratosRemove Buy NowAppleWatchRemove Buy NowFitbitFlexRemove Buy NowFitbitVersa 2Remove Buy Now

Basic Info

Suggested Price$150$199$349$100$199
Release20162018201520132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days18 hours5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300340 x 272 or 390 x 312NA300 x 300
Sizen/a1.34 inches1.5 inches or 1.65 inchesNA1.34 inches
Touchn/aNA
TypeOLEDOLEDAMOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIPX71 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryWatch OSNABuild-in
Apps
Music

All Wearables