How to Access OnlyFans on Mobile
Unlike many platforms, OnlyFans has no official app available on the App Store or Google Play Store, since these app stores' rules prohibit this type of content.
The only official method: the browser
The official, recommended method is therefore to access OnlyFans directly from your phone's browser (Safari, Chrome...), where the site is fully responsive and works much like a regular app, notifications included if you add it to your home screen.
Watch out for fake apps: some third-party apps claiming to give access to OnlyFans circulate outside official stores. They carry a real risk (stolen credentials, malware) and are neither developed nor approved by OnlyFans. It's always better to go through the official site in a browser rather than an unofficial app, whatever it promises.
Adding the site to your home screen from the browser (a feature available on both iOS and Android) remains the closest thing to a real app, without the risks tied to unofficial versions.