Accessibility Inspector vs MicroProfile

Accessibility Inspector is Apple’s free macOS tool for examining accessibility information in app interfaces. It displays an element’s accessibility properties, available actions, and position in the view hierarchy. Audits identify common issues such as insufficient contrast, clipped text, and missing descriptions. Results can be saved as HTML reports containing summaries, screenshots, issue descriptions, and fix suggestions. Accessibility audits can also run in UI tests through performAccessibilityAudit(for:_:). The target menu includes apps on Mac and selected iOS, iPadOS, watchOS, or tvOS devices. Open it from Xcode through Xcode > Open Developer Tool > Accessibility Inspector. Apple’s listing describes Xcode as Mac-only, requiring macOS 26.2 or later and an Apple M1 chip or later, and labels it Free. Clearing reported issues does not prove complete accessibility; Apple recommends additional checks with assistive apps such as VoiceOver.

MicroProfile is a free, embeddable C++ profiler supplied in a few files for adding profiling to a project. Developers mark code with timer macros and include microprofile.cpp. Its live view is opened in Chrome by visiting the profiler host on port 1338, and it can capture the last 30 frames by default. Captures are self-contained webpages that can be saved and shared; profile data can also be written to HTML or CSV. GPU timers support OpenGL, D3D11, D3D12, and Vulkan. Counters appear in live and capture views, and timeline markers cover longer-running unique timers. A detailed view can compare two captures, but not captures made with earlier versions. Experimental dynamic instrumentation supports Intel x86-64 on Windows, macOS, and Linux, with MICROPROFILE_DYNAMIC_INSTRUMENT_ENABLE and distorm required; Linux builds also need -rdynamic. Default per-thread profiling buffers allocate 2 MB, and GPU buffers default to 128 KB each. The project is MIT-licensed and lists Windows, macOS, Linux, and unspecified console support.