Fitbit Flex 2 vs. Garmin Chronos vs. Fitbit Alta HR vs. Fitbit Flex vs. Apple SE

 
Flex 2
Chronos
Alta HR
Flex
SE
 FitbitFlex 2Remove Buy NowGarminChronosRemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$100$1500$150$100$279
Release20162018201720132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days8 days7 days5 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a218 x 218128 x 36NA384 x 480
Sizen/a1.2 inches1.4 inchesNA40mm
Touchn/aNA
TypeLEDMIPOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATM10 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNAWatchOS 5
Apps
Music

All Wearables