Spectre is an AI camera app developed by the Halide team that allows you to easily capture stunning long exposure photos. It utilizes advanced computational photography techniques, including machine learning scene detection and computer vision-assisted image stabilization. Spectre can help you capture unique photographs of crowded scenes, and features intelligent exposure control, automatic stabilization, and live preview. It supports saving the long exposure process as a Live Photo, which can be shared as a still image or video. Spectre is available on the App Store.