Fitbit Flex 2 vs. Fitbit Alta HR vs. Apple Watch Series 4 vs. Apple Watch Series 5 vs. Swatch Touch Zero One

 
Flex 2
Alta HR
Watch Series 4
Watch Series 5
Touch Zero One
 FitbitFlex 2Remove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch Series 5Remove Buy NowSwatchTouch Zero OneRemove Buy Now

Basic Info

Suggested Price$100$150$329$329$220
Release20162017201820192015

Activity & Fitness

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

Battery

Duration5 days7 daysNot YetNot Yetn/a
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 36384 x 480384 x 480n/a
Sizen/a1.4 inches1.78 inches1.78 Inchesn/a
Touchn/a
TypeLEDOLEDMicroLEDMicroLEDn/a

Functions

Audio Speakern/a
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATMNot YetNot Yet

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aWatch OS 5WatchOS 5n/a
Apps
Musicn/a

All Wearables