Like most high-end executors, Hydrogen uses a "Key System" to support its developers. Open the newly installed Hydrogen Roblox app.

A direct-on-phone installer that occasionally suffers from "revokes" (where Apple temporarily disables the app). 2. Download the Official Hydrogen IPA

Click the button. This will copy a URL to your clipboard. Paste the URL into a browser (like Safari). Complete the checkpoints (usually via Linkvertise).

As of early 2026, downloading Hydrogen on iOS requires a different approach than the standard App Store installation. Here is a comprehensive guide on how to safely set it up.

The most reliable method, requiring a computer (Mac or PC) to refresh the app every seven days.