| Feature | CrackTool4 | Sideloadly / AltStore | AppCake (iOS) | Cydia Impactor (Deprecated) | | :--- | :--- | :--- | :--- | :--- | | | Yes (for full features) | No | Optional | No | | Decrypts Paid Apps | Yes (direct from device) | No | Limited (pre-cracked only) | No | | DRM Removal | Automatic binary patching | None | Basic | None | | Direct IPA Installation | Yes (via onboard installer) | Yes (requires PC/Mac) | Yes (in-app) | No | | App Compatibility | iOS 9–14 (partial 15 w/ tweaks) | iOS 12–17+ | iOS 9–16 | Legacy | | User Interface | Desktop-like on iOS | Modern but external | Cydia-based | Command-line |