The name Installer has been used for many different projects.
- Installer.app, the original package manager for early iPhone OS, by Nullriver, and later RiPDev and Infini-Dev (now AppTapp)
- Installer 5, an APT package manager for more recent iOS, by AppTapp
- InstallerApp, a desktop tool to manage an attached iOS device, similar to iTunes, by RiPDev
- AppTapp Installer, an early iPhone jailbreak tool
- macOS Installer.app, the macOS built-in app that installs .pkg files