…t as far as iOS camera all most all the libraries out there is using AVFoundation under the ground. So we just need to use based on our needs.I have never used NextLevel.1RizwanAakash DaveFollowJan 7 · 1 min readThats what I believe as well. AVFoundation is the key.Having used those libraries and even the stock AVFoun. I give an upper hand to the latter one, give flexibility of customisations. The former ones are just hard coded starters.