Apple Watch Series 2 vs. Fitbit Ionic vs. Fitbit Charge HR vs. Diesel On Full Guard 2.5 vs. Amazfit GTS

 
Watch Series 2
Ionic
Charge HR
On Full Guard 2.5
GTS
 AppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowFitbitCharge HRRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$269$299$150$325$150
Release20162017201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours4+ days5 days4 days14 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312348x250NA454x454348 x 442
Size1.5 inches or 1.65 inches1.42NA1.39 inches1.65 inches
TouchNA
TypeAMOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM50m1 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSFitbit OSNAWear OSWear OS
Apps
Music

All Wearables