DogBase: Product, team and how it was built

Solo founder · 25 months after launch, revenue growing

Tradespeople already use WhatsApp all day on the job site, and many write quotes by hand or in a spreadsheet. Tutti puts the office work into that chat, so the customer has nothing new to install or learn. It sends messages through Meta's official WhatsApp Business Platform, which lets one founder run the service without a phone app as the main product.

Started small, grew after funding · 38 months after launch, revenue growing

It sold to large companies from the first months, together with a network of human mentors, and an investor reported that it made €30,000 a month within a few months of launch. The founders then turned the mentoring business into a platform built on skills data, raised a €5.8M Series A in 2025, and the managing director of Techstars Torino reported €3.6M in annual recurring revenue in February 2026.

Started small, grew after funding · 9 months after launch

Large companies run many HR systems that do not share data, so a single case such as a new hire passes through several of them by hand. Ahron does not replace those systems; it connects to them, measures where cases wait, and places agents there. The founders had sold an earlier HR software company, and the product is built on Celonis, a Munich process-mining company whose partnership, the founder says, brings in requests from around the world.

Started small, grew after funding · 12 months after launch

The founders came from a company that did outsourced purchasing for other firms, so they knew which purchasing tasks were still done by hand in email and spreadsheets. Soource turned those tasks into agent workflows for large companies. One article from the South Summit Madrid 2026 conference reported 800K in annual recurring revenue and 58 enterprise customers, without a currency and without saying who gave the figure.

Started small, grew after funding · 36 months after launch, revenue growing

French renovation quotes depend on subsidy and tax rules that change every few months, and the small firm that installs the equipment bears the risk of a wrong file. Argile puts those rules and the building calculation methods into the software, so a salesperson can give a detailed quote within an hour of a visit instead of weeks later.

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

Food distributors still take many orders by email, text message and phone and type them into old ERP systems by hand. The two founders worked inside a Boston seafood distributor for months to map that work before they built the product. Then they sold it themselves to large distributors: an a16z speedrun newsletter of January 2026 says one enterprise deal with a publicly traded distributor took their booked revenue past US$500,000.

Solo founder · 35 months after launch, revenue flat

It opened in the week OpenAI released the ChatGPT API, after seven other AI products by the same founder had earned little. It sold to businesses, which stay longer than consumers. The last step to the first million came from higher prices and from removing the cheapest plan.

Team of 2 to 10 · 22 months after launch, revenue growing

Steve Hoyek said he had lost 45 kilos by counting calories in many apps and found them too complex, so the two co-founders built the simplest one they could. The founder said on Starter Story that iPhone ads cost about four times as much per view as Android ads, while iPhone users convert only about 20% better. With no outside money, they put their ads on Android, mostly Google's app campaigns, and the founder said about 80% of users and revenue came from Android.

Team of 2 to 10 · 32 months after launch, revenue falling

It sold one promise that a customer can measure: a first reply to every new lead within 10 seconds, to businesses that already pay for many leads through Meta ads. A demo on the website brought sales calls through organic search before the product was built. Revenue then fell from US$9,000 to US$12,000 a month in late 2025 to under US$2,000 in September 2026, in the same months in which the founder launched other products.

Team of 2 to 10 · 41 months after launch, revenue falling

It is a small business with honest, payment-processor-verified numbers: US$18,627 of revenue in total over about three years, but only US$268 in the last 30 days, and on 1 November 2026 the team listed it for sale at US$7,000 because, in the seller's words, the team is moving on. The page shows what a small AI writing tool can earn in a crowded market, and how revenue behaves after the first years.

Team of 2 to 10 · 4 months after launch

The founders had worked inside healthcare billing before, so they knew that insurance follow-up calls are a large, repetitive and expensive part of the work. A voice model can now hold this kind of short, scripted business conversation. The company sells to health systems and billing firms through pilots, and the founders said in November 2025 that every pilot had become a paying customer.

Team of 2 to 10 · 3 months after launch

It is built for one kind of legal work, litigation, by a co-founder who practiced it. General AI chat tools have produced invented case citations that courts have punished, and Litmas AI sells a check of every citation against real court opinions as its main feature. The company stated that its demand came mainly from inbound marketing, and it priced per case so that small and contingency-fee firms can start small.

Solo founder · 7 months after launch

Designers often want a second opinion before a client review and have no colleague to ask. The maker is a product designer with more than 25 years of UX work, so the critique format follows how a senior designer reviews work: name what is unclear, then give three concrete changes. The first three critiques are free, and a subscription is needed after that.

Team of 2 to 10 · 7 months after launch

The founder, a lawyer who teaches negotiation, said that mediation works but is expensive and tied to office hours and calendars. Adri lets both sides answer at different times, and it makes the first proposal itself. The company then moved its focus from consumers to mediation providers that want a cheap first step for small disputes.