AuditBadger: Revenue, team and how it was built

Solo founder · sold 17 months after launch

It solved one narrow and repeated task that every company has at the end of each quarter. The task is to find all invoices and give them to the accountant. It read the invoices where they already were, in the inbox and on supplier websites, instead of asking people to forward them. It also let customers write their own checking rules in plain language. Stripe data shows monthly revenue rising from US$12,631 in November 2025 to US$18,970 in January 2026.

Team of 2 to 10 · 33 months after launch, revenue falling

The product goes where the customers already are. A shop owner does not install a new app or learn accounting software. Instead, the owner writes into a chat. The founder wrote of having worked as a data scientist at a microloan company and of running a café. So the founder knew both the bookkeeping problem and the reason banks ask for records.

Solo founder · 19 months after launch, revenue growing

The founder, a digital nomad, had collected more than 1,000 receipts from many countries to track his own spending. He built the app for that use. It reads every line item instead of only the total, which matters for travellers with receipts in foreign scripts and currencies. Small, steady releases widened the market: 25 versions between 21 January and late October 2026. A translation of the app into 52 languages did the same, without a team.

Solo founder · 12 months after launch, revenue growing

It serves one narrow job, turning a statement PDF into clean rows, and it grew through pages written for single banks. The founder wrote in March 2026 that almost all clicks come through those bank pages. A free tier and a small credit pack let people try it before they subscribe.

Solo founder · 23 months after launch, revenue falling

It does one narrow job and returns the same fields for every document. A developer or an automation builder can call it without writing a parser. It sells credits by the page, and a credit pack needs no subscription. Revenue is small, and the verified record shows it falling from its January 2026 peak.

Team of 2 to 10 · 24 months after launch

It picked work that large regulated companies had failed to automate for years and that tolerates almost no errors. Instead of letting a model decide each step, it turns the expert's procedure into fixed program steps. This makes the result predictable and cheap to run. A few large customers, sold directly, can pay for a very small team.

Team of 2 to 10 · 20 months after launch

It shipped in March 2023, when connecting ChatGPT to a company's own documents was new, 23 days after the first prototype. The founders posted their progress on Twitter, opened with a waitlist, and well-known early users such as Seth Godin brought attention. Low prices and frequent releases kept it selling after growth slowed in the third month.

Solo founder · 12 months after launch, revenue growing

Help articles go stale every time a software team ships, and small teams have nobody to keep them current. The founder had built a large audience at his first company, Senja, and used it to sell preorders before the product existed. He then launched new features every week and turned each one into posts, videos and sales conversations.

Team of 2 to 10 · 18 months after launch

In divorce, bankruptcy and fraud cases the evidence is often in thousands of pages of PDF statements. The usual answer is a forensic accountant who bills by the hour. The company says its software brings that analysis to small cases that could never pay for one. Its pricing page lists monthly plans from US$100 and a single case for US$499. The company says its first customers found it on their own.

Solo founder · 37 months after launch, revenue growing

It launched the obvious application of a new model within weeks, with a pricing page on the first day. The founder built the parts around the model instead of a model, so every model upgrade improved the product for free. Then it moved from a consumer toy to business customers who stay.

Solo founder · 13 months after launch, revenue growing

A founder who had sold courses since 2022 built the email tool that he wanted for himself, and priced it by emails sent. His own newsletter was the first test of it, and the product now lets AI agents run an account.

Solo founder · 12 months after launch, revenue falling

The founder built a tool that he wanted for himself as a runner. He trained with a human coach from late July 2025 and stopped a marathon at kilometre 32. The product keeps what he valued in that coaching: varied sessions, pace ranges and a plan that follows what he runs.

Team of 2 to 10 · 18 months after launch, revenue growing

The two founders built it first for their own SaaS products and Shopify apps. The reason was that they had to keep one support workspace open for every product and felt they had to answer at night. They then opened it to other founders with the same problem, with unlimited projects on every plan and a fixed price per team size.

Started small, grew after funding · sold 17 months after launch

The founders built it for their own problem. An app of theirs gained 20,000 users overnight. They did not know who those users were, so they built an AI that could interview them. The company later said it grew its annualized revenue 15 times in nine months.