Fitbit Charge 2 vs. Fitbit Flex 2 vs. Casio G-Shock GBA800 vs. Amazfit GTS vs. Apple Watch 7

 
Charge 2
Flex 2
G-Shock GBA800
GTS
Watch 7
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowAmazfitGTSRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$100$120$150$429
Release20162016201820192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days2 years14 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a348 x 442396 x 484
Sizen/an/a1.65 inches1.9 inches
Touchn/an/a
TypeOLEDLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM20 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSWatchOS 8
Apps
Music

All Wearables