Testing your own apps, installing open-source IPAs, emulators (like Delta before it hit the App Store). Method 2: Enterprise Signing (The "Enterprise Certificate" Black Market) Apple provides the Apple Developer Enterprise Program ($299/year) allowing companies to internally distribute apps to employees without the App Store. These apps are signed with an Enterprise certificate and use an In-House provisioning profile that trusts any device.
User taps a link, clicks "Install," sees a generic "Untrusted Enterprise Developer" warning, goes to Settings > General > VPN & Device Management, and taps "Trust." how to install ipa files without jailbreak
You are still limited to 3 concurrently installed apps using a free Apple ID (10 if you pay for a $99 developer account). AltStore itself counts as one of those three. Method 4: Online Signing Services (e.g., Signulous, AppDB) These are commercial services that operate a step above the black market. They purchase individual developer certificates (not Enterprise) and register your device’s UDID to their provisioning profile. User taps a link, clicks "Install," sees a
Xcode, ios-deploy , or GUI wrappers like Sideloadly and AltStore . User taps a link