Fitbit Flex 2 vs. Amazfit Stratos vs. Garmin Chronos vs. Diesel On Full Guard 2.5 vs. Fitbit Versa 2

 
Flex 2
Stratos
Chronos
On Full Guard 2.5
Versa 2
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowGarminChronosRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowFitbitVersa 2Remove Buy Now

Basic Info

Suggested Price$100$199$1500$325$199
Release20162018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days8 days4 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300218 x 218454x454300 x 300
Sizen/a1.34 inches1.2 inches1.39 inches1.34 inches
Touchn/a
TypeLEDOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM10 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryWear OSWear OSBuild-in
Apps
Music

All Wearables