The best alternatives to Shoot by ProCam are Manual Camera for iPhone, NeuralCam, and Focus. If these 3 options don't work for you, we've listed a few more alternatives below.
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AssemblyAI— Speech-to-Text API with superhuman accuracy
NeuralCam NightMode is the best night mode camera app featured on 9to5mac / VentureBeat / TheNextWeb / BGR / PetaPixel / DPReview / SlashGear / LAUNCH Ticker. 9to5Mac says “NeuralCam is not just the best iPhone camera app for night shots, but it is head-and-shoulders above the other apps.”
Camera M is a professional camera app with powerful manual controls similar to a DSLR camera, designed to achieve the highest image quality from iPhone and iPad cameras. Specializing in RAW and Depth photography, it is the best camera app your iPhone or iPad.