Fitbit Alta vs. Polar Loop 2 vs. Casio G-Shock GBA800 vs. Michael Kors Access Sofie HR vs. Apple Watch 7

 
Alta
Loop 2
G-Shock GBA800
Access Sofie HR
Watch 7
 FitbitAltaRemove Buy NowPolarLoop 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$120$120$395$429
Release20162015201820192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days8 days (without notifications)2 years2 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a390 x 390396 x 484
Sizen/an/a1.19 inches1.9 inches
Touchn/a
TypeOLEDLEDOMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a2 ATM20 ATM0.3 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWear OSWatchOS 8
Apps
Music

All Wearables