What do you think of my app - Cryptex?

[gintsmurans]

I would like to get some feedback on my new app Cryptex that recently made it to App Store.

Here is the link - https://itunes.apple.com/en/app/cryptex-encrypted-markdown/id928887668?mt=12

Here are some promo codes - https://forums.macrumors.com/showthread.php?p=20441653#post20441653