"Vibe design" a mobile app by chatting with AI.
Build an AI tool that designs mobile apps: Sleek, $10K MRR within a month
A gap in a fast-growing market (more people building mobile apps with AI) is a strong place to launch.
Figures as told to Indie Hackers (self-reported by the founder) · source
From Indie Hackers · Jan 2026

The Short Version
How Mattia Pomelli (Sleek) made $10K MRR within a month, according to Indie Hackers (self-reported).
- What: Mattia Pomelli has coded for about eight years and built four design tools with two friends.
- Result: He told Indie Hackers Sleek reached $10K MRR within a month of launch without spending any money on marketing (Indie Hackers, Jan 2026).
| Who | Mattia Pomelli (Sleek) |
|---|---|
| Tool | Not named in the source |
| Money | $10K MRR within a month |
| Timeframe | Jan 2026 |
| Source | Indie Hackers |
| Self-reported | Yes |
The workflow
Where & With What
What They Did
- 1The moveMattia Pomelli has coded for about eight years and built four design tools with two friends.
- 2Step 2Build where you have skills
- 3Step 3Find an underserved platform
- 4ResultHe told Indie Hackers Sleek reached $10K MRR within a month of launch without spending any money on marketing (Indie Hackers, Jan 2026).
Quick Answers
What tools do you need?
Just the platform account.
How much does it cost?
No paid tools needed: this case uses only the platform itself, which is free to join.
Is it allowed?
Follow the platform rules and disclose ads.
Watch out: Self-reported.
Try It Yourself
(Our template, not the creator's prompt.) Describe my app idea as a mobile design brief for an AI design tool: 5 key screens, the main action on each, a color and type style, and one reference app for the feel.
Your first step
Paste the prompt into your AI assistant and swap the [brackets] for your own niche.
Full write-up & sources
More detail: Their latest, Sleek.design, lets app founders and developers without design skills design mobile apps by chatting with AI. They saw fewer AI design tools for mobile than for web and built Sleek in three weeks.
Source: Indie Hackers · Jan 2026. Summarised in our own words; figures as told to Indie Hackers (self-reported by the founder). Updated .







