New to iOS sideloading? This glossary explains key terms you'll see when using iLoader, SideStore, and related tools. Each term links to relevant guides where available.
- AltStore
- An open-source sideloading app for iOS. You install it with AltServer on a computer, then use it on your device to install and refresh apps. SideStore vs AltStore →
- Certificate (Developer Certificate)
- A digital certificate from Apple that allows you to sign and install apps on your device. With a free Apple Developer account you can have up to 3 certificates. Fix Revoked Certificate →
- Developer Mode
- A setting on iOS 16 and later that you must enable before sideloading. Found in Settings → Privacy & Security. Enable Developer Mode →
- IPA (iOS App Store Package)
- The file format for iOS apps. An .ipa file is the app package you install when sideloading. How to Install IPA on iPhone →
- iLoader
- A free, open-source desktop app for Windows, macOS, and Linux that installs SideStore on your device, manages certificates and pairing files, and sideloads IPA files. iLoader homepage →
- Pairing File
- A file that establishes trust between your computer and your iOS device. iLoader uses it to communicate with your device for installation and refresh. It can expire after iOS updates or long disuse.
- Refresh
- Re-signing an app so it keeps working after the 7-day expiration (with a free Apple Developer account). SideStore can refresh apps automatically. How to Refresh SideStore Apps →
- SideStore
- An open-source sideloading app for iOS. You install it with iLoader (or other tools), then use it on your device to install apps from sources and refresh them. Best iOS Sideloading Apps →
- Sideloading
- Installing apps on your iPhone or iPad from outside the App Store, using your own Apple Developer account. No jailbreak required. What is iOS Sideloading? →
- usbmuxd
- A service that allows your computer to talk to your iOS device over USB. On Windows it comes with iTunes; on macOS it's built in; on Linux you install it via your package manager.