If you want to sell your app idea, you need more than just the thought companies want proof it can work and that you own it. The best way is to make it real by writing down details, adding diagrams, or building a simple version (MVP). This helps buyers or investors see its value. If you only share the idea without proof, most won’t take it seriously.
You don’t always need a patent before selling, but it adds strong protection and trust. At least use an NDA before sharing details. You can patent unique features, special designs, or original processes, but not common elements like login pages or ideas that already exist. Many start with a Provisional Patent for short-term safety, then move to a full patent for long-term protection.
To make your idea attractive, check if it’s truly new, protect it legally, and build a simple demo. Then reach out to companies or investors in your niche. You can sell it outright or make a deal to earn over time and sometimes partnering to launch the app can bring even more profit. Read more about this here.
https://www.expertappdevs.com/blog/how-to-patent-an-app-idea