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An on-device debugger/JIT enabler for iOS versions 17.4+, powered by idevice.
https://stikdebug.xyz/
5ba55e7bb8
The tunnel reconnect in the previous commit only fires while StikDebug is
actually executing. In the real handoff scenario the user has switched to the
JIT-enabled app, so StikDebug is backgrounded — and upstream lets iOS suspend
it, which means the path-change notification is never delivered and the
tunnel stays dropped.
Two upstream behaviours cause that suspension:
- Keep-alive only ran if the user had the "Silent Audio"/"Background Location"
toggles on. DebugKeepAliveLease now takes forced holds (force: true) that
bypass those toggles for the duration of a debug session, released when the
session ends. Both managers keep separate forced/unforced counters.
- The background-task expiration handler called invalidate(), tearing down
audio and location the moment the ~30s assertion elapsed. It now renews the
assertion (re-checking isActive) while silent audio sustains execution.
Also play an inaudible non-zero signal (~-80 dBFS, DC-free) instead of digital
silence, which some iOS versions treat as idle and reclaim. SettingsView calls
refreshFromSettings() rather than stop(), so toggling the setting off no longer
kills a forced session hold.
This is the minimal slice of the PR's keep-alive work that the cellular
reconnect depends on. Drop this commit for a foreground-only cellular fix.
Ported from StephenDev0/StikDebug#432 commit
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| .github | ||
| assets | ||
| StikDebug | ||
| StikDebug.xcodeproj | ||
| StikDebugTests | ||
| StikDebugUITests | ||
| .gitignore | ||
| info.md | ||
| LICENSE | ||
| README.md | ||
StikDebug
An on-device debugger/JIT enabler for iOS versions 17.4+ powered by idevice.
Features
- JIT: Enable Just In Time compilation for sideloaded apps that have the
get-task-allowentitlement. - App Launching: Launch every app installed on your device.
- Console: Live app and system logs.
- Scripts: Manage automation scripts (mainly used for iOS 26 JIT).
- App Expiry: See when apps will expire and install/remove profiles.
- Device Info: View detailed device metadata.
- Processes: Inspect running apps/processes and terminate them.
- Location Simulator: Simulate the GPS location of your device.
Download
Note
Notice: StikDebug is no longer available on the App Store. Please use the official download methods below.
Compatibility
| iOS Version | Status | Notes |
|---|---|---|
| 1.0 – 17.3.X | Not supported | Uses Different Connection Protocols |
| 17.4 – 18.x | Fully supported | Stable |
| 26.0+ | Supported | Limited App Availability (Developers need to update their apps to work.) |
How to Enable JIT
StikDebug enables JIT for sideloaded apps on iOS 17.4+ without needing a computer after the initial pairing setup.
Requirements
- StikDebug installed (via AltSource, direct .ipa, or self-built)
- A valid pairing file (.plist / .mobiledevicepairing) for your device
- SideStore / AltStore / similar sideload tool (for app refreshing)
- A loopback VPN such as LocalDevVPN
Steps
-
Obtain a pairing file
- Detailed guide: Pairing File Instructions (or ask in Discord).
-
Set up VPN
- Launch LocalDevVPN and enable the VPN.
-
Enable JIT for an app
- Launch StikDebug and tapp the
Enable JITbutton. - Select your sideloaded app from the list in StikDebug.
- Launch StikDebug and tapp the
Troubleshooting
- "Connection dropped" or loopback errors → Check iOS version compatibility / beta warnings.
- Heartbeat errors → Ensure that LocalDevVPN is on. Any network works (Wi-Fi or cellular); the tunnel rides the VPN, so cellular-only is supported. It may also be a pairing file issue.
- Session drops after switching to another app → Keep the background keep-alive enabled (Settings → Background Keep-Alive). While a JIT/debug session is active, StikDebug plays inaudible audio and holds a background assertion so the session survives being switched out of the app instead of timing out.
- Pairing file issues → Replace file with device unlocked & trusted.
- Still stuck? Join the Discord with logs/screenshots.
Building from Source
Important
Integrating StikDebug or StikJIT into your own project?
See the StikJIT Integration Guide for integration instructions.
Requirements
- macOS (latest recommended)
- Xcode 16+ (Xcode 26+ preferred for iOS 26+ support)
- iOS device on iOS 17.4+ (for testing)
- Git
- Basic Xcode/Swift knowledge
Steps
-
Clone the repo
git clone https://github.com/StikDebug/StikDebug.git cd StikDebug -
Open in Xcode
- Launch Xcode
- Open
StikDebug.xcodeproj
-
Configure signing
- Select the StikDebug target
- Go to Signing & Capabilities
- Sign in with your Apple ID (free or paid developer account)
- Set a unique Bundle Identifier (e.g.,
com.yourname.StikDebug)
-
Build & install
- Select your connected device
- Press Cmd + R (or Product → Run)
- Trust the certificate on device: Settings → General → VPN & Device Management
After install, follow the JIT setup steps above (pairing import, etc.).
Contributing
Thank you for your interest in contributing to this project. Contributions of all kinds are welcome.
Reporting Bugs
If you discover a bug, please open an issue and include:
- A clear and descriptive title
- Steps to reproduce the issue
- Expected behavior vs. actual behavior
- Relevant logs, screenshots, or environment details (iOS version, device model, etc.)
Suggesting Features
To propose a new feature, open a feature request issue and provide:
- A clear description of the feature
- The problem it solves or the use case it addresses
- Any relevant examples or implementation ideas
Code Contributions (Best Practices)
- Follow normal Swift and SwiftUI style.
- Write clear and easy to understand code.
- Keep your changes consistent with how the project is already set up.
- Make sure everything builds and works without errors.
We appreciate your time and effort in helping improve this project.
Code Help
License
StikDebug is licensed under AGPL-3.0. See LICENSE for details.