Fitbit Flex 2 vs. Amazfit Stratos vs. Garmin Chronos vs. Fitbit Alta HR vs. Amazfit GTS

 
Flex 2
Stratos
Chronos
Alta HR
GTS
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowGarminChronosRemove Buy NowFitbitAlta HRRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$199$1500$150$150
Release20162018201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days8 days7 days14 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 218128 x 36348 x 442
Sizen/a1.34 inches1.2 inches1.4 inches1.65 inches
Touchn/a
TypeLEDOLEDMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryWear OSWear OS
Apps
Music

All Wearables