Samsung Gear S2 vs. Fitbit Zip vs. Fitbit Charge HR vs. Apple Watch 7

 
Gear S2
Zip
Charge HR
Watch 7
 SamsungGear S2Remove Buy NowFitbitZipRemove Buy NowFitbitCharge HRRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$300$60$150$429
Release2015201220152021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days6 months5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360n/aNA396 x 484
Size1.2 inchesn/aNA1.9 inches
TouchNA
TypeSuper AMOLEDn/aOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68Splash Resistant1 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aNAWatchOS 8
Apps
Music

All Wearables