Fitbit Alta vs. Amazfit Stratos vs. Amazfit Cor vs. Fitbit Charge vs. Apple Watch 7

 
Alta
Stratos
Cor
Charge
Watch 7
 FitbitAltaRemove Buy NowAmazfitStratosRemove Buy NowAmazfitCorRemove Buy NowFitbitChargeRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$199$79.99$130$429
Release20162018201820142021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days12 days7-10 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 30080 x 160NA396 x 484
Sizen/a1.34 inches1.23 inchesNA1.9 inches
Touchn/aNA
TypeOLEDOLEDIPS LCDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aProprietaryNAWatchOS 8
Apps
Music

All Wearables