Micro-SaaS & AI ProductsSource date: March 27, 2025Last reviewed October 20, 2026

A non-technical founder built apps with AI coding tools, reaching about $9.7K MRR on his first

Sebastian Volkis built ChatIQ on Bubble, then TrendFeed in four days with AI, and sells an AI coding course.

Subject: Sebastian Volkis (TrendFeed, CodeSpring, ChatIQ)Software subscriptions plus an AI coding course sold through webinars

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

Case Overview & Background

Sebastian Volkis studied physics, worked as a freelance media buyer, and spent six months unemployed learning to build apps. He built ChatIQ on Bubble and says it reached about $9.7K MRR in two months. Indie Hackers also reports TrendFeed made $12K in four weeks and his CodeSpring course made $45K since January.

How AI Is Used

He used GPT-4 to write Python APIs and feature extensions for his Bubble app, and later built TrendFeed with AI coding tools in four days.

Step-by-Step Process

Step 01Start with no-code

He built ChatIQ on Bubble.

Step 02Extend with AI

He used GPT-4 to write APIs to keep up with competitors.

Step 03Launch to a following

He launched to his audience and used a webinar funnel.

Customer Acquisition & Distribution

Launching to his following and a webinar funnel.

Limitations, Risks & Failure Modes

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

  • The figure is self-reported and was not independently checked
  • Customers churned to faster competitors early on
  • Course income depends on an audience

Key Takeaways

  • AI coding tools let non-technical founders ship
  • Distribution decides whether a vibe-coded app sells

Sources

Indie HackersMarch 27, 2025

Indie Hackers interview: Building a product with AI in four days and hitting $12k in four weeks

Note: Indie Hackers interview. The headline figure is in the founder's own words in the public section.

Open Source
Advertising slot availableAdvertise on AI Side Hustles

Category page banner: Reach readers researching one specific AI business model.

One clearly labelled banner on a category page such as Micro-SaaS or AI Agencies, shown next to the documented cases your product is relevant to.

Sponsored placements are always labelled and never change how cases are researched, labelled, or ranked.

Commercial disclosure: We currently have no affiliate or sponsorship relationship with any tool or person on this page. If that changes, affiliate links and sponsored content will be clearly labelled, and evidence labels will never be changed for commercial reasons.

Case ID: cs-sebastian-volkis-trendfeed-codespring-ai
Compare

Related Case Studies

DimeADozen.ai social preview: "Validate a business idea before you build it."
Image: DimeADozen.ai
October 16, 2023
1 source

A $185 AI report tool that made $66,000 and sold for $150,000

DimeADozen (Sal Aiello and Monica Powers)

Sal Aiello and Monica Powers built DimeADozen, a site that turns a business idea into an AI-generated validation report. They built it in four days, charged $39 per report, made more than $66,000 in about seven months, and then sold the business for $150,000.

Reported figure
$66,000+ in about 7 months(revenue)
Evidence levelIndependently Documented
Tools:
Inspect Case
Cal AI social preview showing the app scanning a plate of pancakes and listing calories and macros.
Image: Cal AI
September 6, 2025
1 source

Cal AI: a teen-founded photo calorie tracker with about $1.4 million monthly gross profit

Cal AI (Zach Yadegari and Henry Langmack)

Cal AI lets users photograph a meal and get an AI estimate of its calories. Launched in May 2024, it is priced at $2.49 a month or $29.99 a year. CNBC reported about $1.4 million a month in gross profit and about $274,000 a month in net operating income, with a team of 30.

Reported figure
About $1.4M/mo gross profit
Evidence levelIndependently Documented
Tools:none named in the source
Inspect Case
The AI Side Hustles Briefing

Get the free Verified AI Hustles PDF.

Subscribe to get new sourced cases by email and download our PDF of every independently documented case on this site, each with its source link.

By subscribing, you agree to receive the AI Side Hustles briefing. We never sell your data. See our privacy policy.