If your iOS version is compatible (typically iOS 14.0–17.0 depending on the device), this is the best method as it prevents app expiration/revokes.
Q: Is Bochs compatible with all iOS devices? A: Bochs is compatible with most iOS devices, but performance may vary depending on the device's hardware. bochs ipa download
Because iOS does not allow direct installation of third-party IPAs without a developer account or workaround, you need one of these methods: If your iOS version is compatible (typically iOS 14
Since there is no "official" download site for the mobile version, you typically need to get the source or a pre-compiled IPA from reputable developer repositories: bochs ipa download