Fitbit Ionic vs. Amazfit Stratos vs. Apple Watch Series 4 vs. Swatch Touch Zero One vs. Apple Watch Ultra

 
Ionic
Stratos
Watch Series 4
Touch Zero One
Watch Ultra
 FitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowAppleWatch Series 4Remove Buy NowSwatchTouch Zero OneRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$299$199$329$220$799
Release20172018201820152022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleepn/a
Steps
Swimn/a

Battery

Duration4+ days5 daysNot Yetn/a36 hrs
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 300384 x 480n/a502x410 pixels
Size1.421.34 inches1.78 inchesn/a1.92 inches
Touch
TypeOLEDOLEDMicroLEDn/a

Functions

Audio Speakern/a
ClockLTPO OLED Retina
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance50m5 ATMNot Yet10 ATM (100 Meters)

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemFitbit OSProprietaryWatch OS 5n/aWatchOS 9
Apps
Musicn/a

All Wearables