Indexly: Product, team and how it was built

Team of 2 to 10 · 19 months after launch, revenue falling

Said 500+ paying agenciesRecords 207 subscriptionsDid not hold

The founder had an audience before the product existed: a daily YouTube show about SEO since 2023 and an X account that has 62,000 followers today, so the first customers cost nothing. A developer co-founder built the software with AI coding tools. The product started as one plain rank tracker at US$19 a month, grew into a bundle at US$57 to US$2,997 a month, and by July 2025 the first payment of a new customer from a paid ad covered the cost of that ad.

Team of 2 to 10 · 16 months after launch, revenue growing

Four owners of marketing agencies built it for their own clients, who asked whether AI recommended them. They launched it with plans made for agencies and a 30% lifetime commission for agencies that resell it. The average subscription now pays about US$206 a month, close to the price of the agency plans.

Team of 2 to 10 · 11 months after launch, revenue growing

One co-founder, Paul Vengeons, had worked as an SEO consultant in France since 2020 and had more than 10,000 followers on X, and the agents follow his method. The answers come from the customer's own Search Console data, the price is a fraction of Semrush or an agency, and the co-founders post free SEO guides every day that send readers to a 7-day free trial.

Solo founder · 6 months after launch, revenue growing

The founder first gave away the same idea as free open-source code, which collected about 2,000 GitHub stars, and he already had a free Chrome extension with at least 10,000 users among search specialists. The paid version removes the installation work and adds data that the free code does not have. Most of the first buyers came from that existing audience.

Team of 2 to 10 · 20 months after launch, revenue falling

Two Brussels founders with past SEO and sales software companies built a narrow product: one plan, one website, articles on a schedule, no setup. The payment processor shows that it earned US$9,271 in 20 months, but also that monthly revenue fell from US$821 in May 2026 to US$138 in September 2026, and the founders listed it for sale in June 2026.

Started small, grew after funding · 15 months after launch, revenue growing

Three founders who met in an Antler cohort in Berlin launched it in February 2025, in a category that, as The Next Web wrote in May 2026, "barely existed 18 months ago". With self-serve plans and unlimited users it signed 1,300 brands and agencies in about nine months, the company said, and two funding rounds within ten months paid for a large sales and engineering team in Berlin and New York.

Solo founder · 35 months after launch, revenue falling

It reached people inside the chat app that they already open all day, so capturing an idea on a phone took one voice note. It aimed first at Notion users, whom the company told that ideas get lost on the phone. Ads on Facebook and Google then paid for fast growth in early 2026, until the founder stopped them in August 2026 because the costs were larger than the revenue.

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 · 11 months after launch, revenue flat

The founder had written a marketing blog for ten years, so his own readers bought on the first day. He built the first version in 8 weeks with the no-code tool Bubble, because he had no money for developers. He sold one thing that the model makers do not sell: all of their models in one subscription.

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.