I suppose it depends on the application. Mine is in a compiled language. Hard to reverse engineer. If yours is in an interpreted language like Python, there might be a source code obfuscator that you can apply.
Do not underestimate the value of your expertise. Even if they had the source code, the chances of a paying customer becoming a competitor is low. Again, I suppose it depends on the application.
Do not underestimate the value of your expertise. Even if they had the source code, the chances of a paying customer becoming a competitor is low. Again, I suppose it depends on the application.