Co-founder deal calculator: draft equity split based on founder contributions and risk
Solo builders get a fair equity formula for that first co-founder—no lawyers, no giving away too much.
The signal
“About 9 months ago I had an idea for a niche product and decided to build it myself. I'm not a mobile developer, but I have a strong software/architecture background, and with AI-assisted development I managed to go from idea to a working product and multiple releases. The thing ”r/Entrepreneur — read the original
Why it scores 75
Solo founder built and released a working product with multiple updates, indicating a validated, repeated need within a niche.
The founder was able to build and release alone, suggesting the space isn't saturated with dominant, polished incumbents.
A non-mobile developer successfully shipped a working product solo in ~9 months using AI-assisted development.
The trend of AI-assisted development is a strong tailwind, but no specific, fresh catalyst is mentioned.
MVP build path
The full MVP path, competitor teardown and keyword data are part of the paid database.
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