Kupla is an app that will help you make strong passwords and keep you secure.
I have programmed this app to NOT collect any personally identifiable information. This app doesn't send anything to anywhere nor save anything on your local files. This app is open source and is placed under MIT-License: https://github.com/TheJeme/Kupla-mobile
If you find any security vulnerability that has been inadvertently caused by me, or have any question regarding how the app protectes your privacy, please send me an email and I will surely help you.
Yours sincerely
Eemeli Mark
Finland
eemelimark@gmail.com