Fitbit Flex 2 vs. Amazfit Stratos vs. Fitbit Charge vs. Diesel On Full Guard 2.5 vs. Fitbit Inspire HR

 
Flex 2
Stratos
Charge
On Full Guard 2.5
Inspire HR
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowFitbitChargeRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$100$199$130$325$99
Release20162018201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days7-10 days4 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300NA454x454139 x 60
Sizen/a1.34 inchesNA1.39 inches1.4 inches
Touchn/aNA
TypeLEDOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNAWear OSFitbit OS
Apps
Music

All Wearables