Fitbit Flex 2 vs. Diesel On Full Guard vs. Fitbit Alta HR vs. Apple Series 6 vs. Fitbit Sense 2

 
Flex 2
On Full Guard
Alta HR
Series 6
Sense 2
 FitbitFlex 2Remove Buy NowDieselOn Full GuardRemove Buy NowFitbitAlta HRRemove Buy NowAppleSeries 6Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$100$325$150$399$300
Release20162017201720202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day7 daysNot yet6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a454 x 454128 x 36384 x 480336x336
Sizen/a1.4 inches1.4 inches40mm1.59 inches
Touchn/a
TypeLEDOMOLEDOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0WatchOS 5
Apps
Music

All Wearables