Unsmartifier is a Safari Web Extension that lets you remove annoying Smart App Banners that wants you to download an App for the current webpage.

Just enable Unsmartifier and it runs unnoticeably in the background and prevents future Smart App Banners to be shown.


Usage:
1. Open Settings
2. Select Safari
3. Select Extensions
4. Select 'Unsmartifier'
5. Enable 'Unsmartifier'
6. Enable 'All Websites'

Info on Permissions:
Unsmartifier needs to run on all websites to prevent the Smart App Banners on sites you haven't occurred yet. Unsmartifier doesn't do anything else than that.

Please note that it can not remove App Clips Banner that link to the app of website. To remove those banners you need to remove the corresponding app.
It also focuses on the system Smart Banners. If a website uses custom ones those can not be blocked. Those can be blocked with various Content Blockers