objection
objection is a free open-source runtime mobile exploration toolkit used to inspect iOS and Android apps without a jailbreak for mobile security testers.
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- Category
- Mobile Security
- Pricing
- Free
- Platforms
- LinuxWindowsmacOS
- License
- Open source
- Reviewed
- Last reviewed 10 October 2026
- Links
- GitHub
What it is
A command-line toolkit built on Frida that attaches to a running mobile app and lets you explore its files, memory, and objects from your computer. SensePost maintains the project.
What it helps with
- Browsing and interacting with an app's container file system
- Bypassing SSL pinning during a test
- Dumping keychain items and exploring objects on the heap
- Dumping and patching memory for analysis
Who it's for
Mobile security testers assessing iOS and Android apps they own or are authorized to test.
Worth knowing
It does not need a jailbroken or rooted device for many tasks, because the runtime agent injects into the app process. The project wiki covers the full feature set beyond the basics listed above.
Does it support both iOS and Android?
Yes, both platforms are supported.
Is it only for jailbroken phones?
No, many features work without a jailbreak or root.
Is there a public feature list?
Yes, the project wiki documents the full set of commands.
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