The short answer is that Game Guardian does not officially exist for iOS, and any website claiming to offer a "no jailbreak" download is likely a scam or distributing malware. Game Guardian is an Android-exclusive memory editor that requires root access (or a virtual environment) to function. Why "No Jailbreak" iOS Downloads are Unsafe

If you want to modify games on iOS without a jailbreak, you must use alternative methods

As the demand for Game Guardian on iOS continues to grow, we expect developers to explore alternative solutions, such as: