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How our app made $100K in 90 days | Starter Story

September 12, 2026

AI Summary

5 min read

How Two Founders Made $100K in 90 Days With One TikTok Account

Yevgeny and Nikita, two founders based in Poland and Serbia, built an AI writing tool called Natural Right that bypasses AI detectors. In their first three months, they hit $100,000 in revenue and 250,000 app downloads. They did it with a single TikTok account, no paid ads, and a server cost of $35 per month. Their approach was not original content creation—it was systematic replication of what was already working.

The Product Came From TikTok Research

The founders did not start with a problem they wanted to solve. They started by watching TikTok. During research, they noticed "there are so many videos about humanizers" and realized the topic was already generating massive engagement. Their decision was simple: "It's much easier to promote it on TikTok because it's hot topic and we decide okay, let's go two weeks, we make a product, start promoting it." The product itself took two weeks to build using Next.js, PostgreSQL, and a few other standard tools. They did not invent a new category. They identified an existing demand pattern on TikTok and built a product to match it.

The TikTok Playbook: Copy First, Innovate Later

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What you'll learn

  • 1 (01:32) **The $100K in 90 Days Hook** - The host introduces the story of an AI app that hit 250,000 downloads and $100,000 in revenue in its first three months, driven by a single TikTok account.
  • 2 (03:05) **The Founders & The "Humanizer" Idea** - Nikita and Yevgeny introduce themselves and their product, Natural Right, an AI writing tool that bypasses AI detectors.
  • 3 (04:34) **Failing with Influencers, Winning with DIY** - The founders detail their initial failed attempt to hire influencers, which generated views but no conversions, forcing them to pivot.
  • 4 (05:31) **The 7-Step TikTok Marketing Playbook (Part 1)** - Yevgeny begins breaking down their simple, replicable strategy for viral growth on TikTok.
  • 5 (07:01) **The 7-Step TikTok Marketing Playbook (Part 2)** - The founders continue the playbook, moving from setup to execution and scaling.
  • 6 (10:33) **Deconstructing the Viral Videos** - The founders pull up their most successful TikToks to show exactly what formats drove downloads and customers.
  • 7 (11:56) **The Numbers: Views, Signups, and Revenue** - The founders break down the conversion funnel from their TikTok strategy.

+ Full timestamped outline available in the app

Show Notes

How our app made $100K in 90 days

Sharing ideas that make money!

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----- Keywords: startup founder, business growth, startup advice, micro saas

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