Fitbit One vs. Fitbit Ionic vs. Amazfit Stratos vs. Diesel On Full Guard 2.5 vs. Apple Watch 7

 
One
Ionic
Stratos
On Full Guard 2.5
Watch 7
 FitbitOneRemove Buy NowFitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$299$199$325$429
Release20122017201820182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days4+ days5 days4 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250320 x 300454x454396 x 484
Sizen/a1.421.34 inches1.39 inches1.9 inches
Touch
TypeOLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant50m5 ATM3 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSProprietaryWear OSWatchOS 8
Apps
Music

All Wearables