Fitbit Flex 2 vs. Garmin Forerunner 935 vs. Fitbit Alta HR vs. Garmin Vivofit 4 vs. Apple SE

 
Flex 2
Forerunner 935
Alta HR
Vivofit 4
SE
 FitbitFlex 2Remove Buy NowGarminForerunner 935Remove Buy NowFitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$100$500$150$79.95$279
Release20162017201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysUp to 2 weeks7 days1 year18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240128 x 3688 x 88384 x 480
Sizen/a1.2 inches1.4 inchesNA40mm
Touchn/a
TypeLEDLCDOLEDNAMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatchOS 5
Apps
Music

All Wearables