Software & tools AI-assisted
Cal AI
Photograph your plate and the app estimates its calories. Built by two eighteen-year-olds, it passed five million downloads in eight months by the founders' count.
Where the human came in
The founders chose a single use case, designed the onboarding and the subscription, and shipped from a hacker house. The revenue figures are theirs, not audited.
Why it is not slop
Included as the clearest case of a tiny team turning a model into a product people pay for. The claimed ninety percent accuracy is the thing to question.
Seed entry: written from public sources and awaiting editorial review.