Fitbit Flex 2 vs. Diesel On Full Guard vs. Fitbit Alta HR vs. Apple SE (2022) vs. Apple Series 6

 
Flex 2
On Full Guard
Alta HR
SE (2022)
Series 6
 FitbitFlex 2Remove Buy NowDieselOn Full GuardRemove Buy NowFitbitAlta HRRemove Buy NowAppleSE (2022)Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$325$150$249$399
Release20162017201720222020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day7 daysNot yetNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a368 x 448 pixels
Resolutionn/a454 x 454128 x 3640mm384 x 480
Sizen/a1.4 inches1.4 inches40mm
Touchn/aLTPO OLED Retina
TypeLEDOMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter5 ATM
Ultraviolet Sensor5 ATM
Water Resistance5 ATMIP67

Notifications

Phone
EmailsWatchOS 8.1
Texts

Software

Operating Systemn/aAndroid Wear 2.0WatchOS 5
Apps
Music

All Wearables