Fitbit Alta vs. Fitbit Flex vs. Diesel On Full Guard 2.5 vs. Apple Watch 7 vs. Apple SE

 
Alta
Flex
On Full Guard 2.5
Watch 7
SE
 FitbitAltaRemove Buy NowFitbitFlexRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleWatch 7Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$130$100$325$429$279
Release20162013201820212020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days4 days18 Hours18 hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA454x454396 x 484384 x 480
Sizen/aNA1.39 inches1.9 inches40mm
Touchn/aNA
TypeOLEDLEDMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistancen/a1 ATM3 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aNAWear OSWatchOS 8WatchOS 5
Apps
Music

All Wearables