There are a lot of stud finder apps in the market to find the best stud finder app you can also use the app store to read reviews. But, not all of them are worth downloading. So, here is a list of the best and most reliable stud finder apps that you must download if you want to find studs with your iphone. 1) Stud Finder: This app is one of the best stud finder apps out there. It is available for free on the App Store and it has an easy-to-use interface that allows you to quickly identify any type of stud in your vicinity. 2) Stud Finder Lite: This is another popular app that you can use to detect any type of metal object with your iPhone including nails, screws, and even nails used for hanging pictures. It’s available for free on the App Store and ios stud finder is there to download.