I'm working on an open-source iOS App that allows you to easily inspect the certificate chain of any website.
It was released last summer, and is already fairly popular (especially in Russia). I would love it if you were able to take a look at the app, and suggest any features that you'd find useful. If you're comfortable working with Objective-C and OpenSSL, feel free to contribute to the project on Github!
App Website: certificate-inspector.com/
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