Apple Watch Series 3 vs. Fitbit Ionic vs. Diesel On Full Guard vs. Fitbit Charge vs. Amazfit GTS

 
Watch Series 3
Ionic
On Full Guard
Charge
GTS
 AppleWatch Series 3Remove Buy NowFitbitIonicRemove Buy NowDieselOn Full GuardRemove Buy NowFitbitChargeRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$329$299$325$130$150
Release20172017201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours4+ days1 day7-10 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 312348x250454 x 454NA348 x 442
Size1.5 inches or 1.65 inches1.421.4 inchesNA1.65 inches
TouchNA
TypeAMOLEDOLEDOMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50mIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Fitbit OSAndroid Wear 2.0NAWear OS
Apps
Music

All Wearables