Fitbit One vs. Polar Loop 2 vs. Casio G-Shock GBA800 vs. Garmin Forerunner 45 vs. Apple Watch 7

 
One
Loop 2
G-Shock GBA800
Forerunner 45
Watch 7
 FitbitOneRemove Buy NowPolarLoop 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarminForerunner 45Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$120$120$199$429
Release20122015201820192021

Activity & Fitness

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

Battery

Duration10-14 days8 days (without notifications)2 years7 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a208 x 208396 x 484
Sizen/an/a1.04 inches1.9 inches
Touch
TypeOLEDLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant2 ATM20 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aBuilt-inWatchOS 8
Apps
Music

All Wearables