CryptoFile

CryptoFile - Safe House for Archives
CryptoFile is a very easy-to-use file encryption software for iOS, iPadOS and macOS. It uses AES-256 CBC mode to encrypt personal sensitive files without obtaining any personal information. It is completely offline to ensure that the most important keys are not leaked.
Of course, the best way is to delete it every time you run out and change the key frequently.
The built-in hash function allows you to come up with complex rules, and let's say goodbye to personal passwords that are easy to be cracked!
Why?
This app is for my own use, but it may be used by others, so I put it on the App store. If there are more demand for other platforms, I will consider doing it. What can be guaranteed is absolutely no advertisements and no acquisition of any personal data!