KSCrash
What it is
KSCrash is a free, MIT-licensed, open-source crash reporting framework for iOS and macOS. After installation, it stores reports on disk and captures Mach exceptions, signals, C++ and Objective-C exceptions, main-thread hangs, and operating-system terminations such as out-of-memory, thermal, CPU, and reboot events. It creates crash reports in Apple’s format. Installation instructions cover Swift Package Manager and CocoaPods. Its Watchdog monitor identifies main-thread hangs of at least 250 milliseconds and records full backtraces. CPU monitoring follows sliding-window averages and can optionally create non-fatal reports when warning or critical transitions occur. Additional listed capabilities include a sampling profiler, zombie detection, memory tracking, automatic crash-cause diagnosis, and custom exception reporting. MetricKit integration processes MXCrashDiagnostic payloads, but hang and CPU exception diagnostics are not supported there. Server delivery requires a KSCrash installation. Reports may contain sensitive information, so review them before transmission and use HTTPS endpoints. Version 2.x is supported; 1.x is unsupported.
For and against
For
- Captures crashes, hangs, and OS terminations
- Generates Apple-format reports on disk
- Watchdog records full backtraces
- Includes profiling and memory diagnostics
- MIT-licensed and free
Against
- MetricKit lacks hang and CPU diagnostics
- Reports may contain sensitive information
- Server delivery requires a KSCrash installation
- Version 1.x is unsupported
The verdict
KSCrash provides broad crash and diagnostic capture for iOS and macOS projects without a license fee. Its MetricKit limitations and report-privacy requirements should be considered during integration.
Who it suits
KSCrash suits Apple-platform developers who need on-device crash, hang, CPU, and termination reporting. It fits teams comfortable integrating an open-source framework through Swift Package Manager or CocoaPods.
Plans and prices
KSCrash
MIT-licensed open-source framework for Apple platforms
Read 4 Oct 2026 · github.com
On the record
- Additional features
- Other listed capabilities include a sampling profiler, zombie detection, memory tracking, automatic crash-cause diagnosis, and custom exception reporting.github.com · read 4 Oct 2026
- CPU monitoring
- CPU monitoring tracks sliding-window averages and can optionally produce non-fatal reports on warning or critical transitions.github.com · read 4 Oct 2026
- Crash capture
- It catches Mach exceptions, signals, C++ and Objective-C exceptions, main-thread hangs, and OS-level terminations including OOM, thermal, CPU, and reboot events.github.com · read 4 Oct 2026
- Crash reports
- It generates Apple-format crash reports and stores reports on disk after installation.github.com · read 4 Oct 2026
- Hang detection
- Its Watchdog monitor detects main-thread hangs of 250ms or more and captures full backtraces.github.com · read 4 Oct 2026
- Installation
- The project documents installation through Swift Package Manager or CocoaPods.github.com · read 4 Oct 2026
- Integration
- The project includes a MetricKit integration that processes MXCrashDiagnostic payloads; its migration guide says hang and CPU exception diagnostics are not yet supported.github.com · read 4 Oct 2026
- License
- The README identifies the project as MIT licensed.github.com · read 4 Oct 2026
- Privacy
- The security policy advises reviewing crash reports before transmission because they may contain sensitive information, and recommends HTTPS endpoints.github.com · read 4 Oct 2026
- Purpose
- KSCrash is an open-source crash reporting framework for Apple platforms.github.com · read 4 Oct 2026
- Report delivery
- To send reports to a server, the README directs users to use a KSCrash installation.github.com · read 4 Oct 2026
- Support
- The project provides GitHub issues and discussions as repository communication channels.github.com · read 4 Oct 2026
- Supported versions
- The security policy lists 2.x as supported and 1.x as unsupported.github.com · read 4 Oct 2026
- Vulnerability reporting
- The project asks users to report vulnerabilities through GitHub's private vulnerability reporting feature rather than a public issue.github.com · read 4 Oct 2026
