Fitbit Alta vs. Fitbit Charge vs. Diesel On Full Guard 2.5 vs. Apple Watch 8 vs. Fitbit Sense 2

 
Alta
Charge
On Full Guard 2.5
Watch 8
Sense 2
 FitbitAltaRemove Buy NowFitbitChargeRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleWatch 8Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$130$130$325$499$300
Release20162014201820222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7-10 days4 days18 hrs6 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA454x454340 x 272 or 390 x 312336x336
Sizen/aNA1.39 inches1.5 inches or 1.65 inches1.59 inches
Touchn/aNA
TypeOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a1 ATM3 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aNAWear OSWatchOS 9
Apps
Music

All Wearables