Apple Watch Series 2 vs. Fitbit Ionic vs. Amazfit Stratos vs. Diesel On Full Guard vs. Diesel On Full Guard 2.5

 
Watch Series 2
Ionic
Stratos
On Full Guard
On Full Guard 2.5
 AppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowDieselOn Full GuardRemove Buy NowDieselOn Full Guard 2.5Remove Buy Now

Basic Info

Suggested Price$269$299$199$325$325
Release20162017201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours4+ days5 days1 day4 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312348x250320 x 300454 x 454454x454
Size1.5 inches or 1.65 inches1.421.34 inches1.4 inches1.39 inches
Touch
TypeAMOLEDOLEDOLEDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM50m5 ATMIP673 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSFitbit OSProprietaryAndroid Wear 2.0Wear OS
Apps
Music

All Wearables