Micro-SaaS & AI ProductsSource date: July 9, 2025Last reviewed October 19, 2026

An AI app reached $17,000 MRR in four months using Reddit alone

Diego Roshardt had fewer than 100 followers on X and says Reddit brought over 1 million views and 20,000 signups.

Subject: AppAlchemy (Diego Roshardt)Subscription AI SaaS

Read original source1 source linked below
A laptop showing revenue charts on a desk beside an open notebook and coffee

Case Overview & Background

Diego Roshardt built an AI SaaS called AppAlchemy in about two weeks and marketed it only on Reddit. He reports more than 1,000 paying customers, around 20,000 signups and margins of about 70%.

How AI Is Used

He built the product with Cursor; the app runs on AI model APIs, which he says cost about $2,500 a month and are his largest expense.

Step-by-Step Process

Step 01Solve a problem you had

He built for a pain he had experienced himself.

Step 02Ship an MVP in two weeks

Built with Cursor, Next.js, React and Firebase.

Step 03Market on Reddit

Targeted precise subreddits for free reach.

Customer Acquisition & Distribution

Reddit posts in targeted communities, with zero paid marketing.

Limitations, Risks & Failure Modes

What may not apply to you, and what could go wrong:

  • Self-reported
  • Reddit communities can ban self-promotion
  • AI API costs scale with usage

Key Takeaways

  • Reddit gives precise targeting for free
  • A small audience is not a blocker
  • Know your margins: he cites about 70%

Sources

Interview SiteJuly 9, 2025

Starter Story: How I Used Reddit to Hit $17K MRR (With ZERO Audience)

Note: Video interview transcript; 1K+ paying customers, ~70% margin.

Open Source
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Case ID: cs-an-ai-app-reached-17-000-mrr-in-four-months-using-reddit-alone
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