Encryption algorithm for an app
No. This is just a worse Caeser cypher.

steps to break:


Convert each string to an int in the output 
Subtract everything from the min output value - ord('A')
Everything is now between 0 and 26
If the message is readable, you are done (this will be true if the message contains an 'a')
Otherwise, add 1 to the each character
After repeating this between 1 and 24 times, the message will be decrypted.