Warsaw · Saturday 4 July 2026 · Imaguru
One Saturday at Imaguru. Two hard briefs. Everyone built a working product with AI, tested it with real feedback, and pitched it. No code.
Everyone had a working first version in about five minutes. That was never the hard part.
The real work was designing it well enough to actually serve the goal. Cutting the right features, shaping the flow, making it land with a real user. That is always the real challenge, and it is still ours.
The two briefs
"How might we help a 40-year-old with no legal background who has just opened an official letter from a Polish office understand what it actually means, what they have to do, by when, and whether they can still appeal?"
"How might we help three flatmates sharing a flat in Warsaw, one month in and already annoyed about chores and money, see who owes what and whose turn it is this week, so no one ends up doing everything?"
The winners
Click to enlargeA plain-language helper that turns an official letter from a Polish office into what it means, what to do, the deadline, and whether you can still appeal.
Neha
Tomek Rusiłko
Emil Słowik
Yurii Kashuba
Click to enlargeA flat app where chores earn points and a shared monthly pool pays out by who actually did the work, with a live chart showing who is ahead.
Michael Babets
Yevhenii Harychev
Tatsiana SakalovaAKAnna KielakMSMagdalena SzarySSuryakantGrey initials: named in the public recap but no promo-consent ticked in the survey.
11 live builds from the people who gave consent. Click a shot to enlarge, or open the live app.
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"Loved the way it was organised, well managed and not a single moment I felt bored. Superb!!"
"I was completely immersed in the process, and I didn't even expect that I'd be able to complete the task."
"Even a beginner can build a no-code app and solve problems that used to require technical skills."
"If you want to build sth real in 6 hours, while meeting cool like-minded people — do it! It will be worth your time."
"Definitely attend. You get access to industry tools, challenge yourself to build a working prototype within just a day, network with likeminded people."
"We built a working MVP in a day, collaborated well, and learned a lot about rapid AI-assisted product development."
"Spinning up several working MVPs of the same idea helps you figure out much earlier what actually belongs in the final version. I'm adding this to my toolkit."
"I would definitely recommend it if you want to build something quickly, communicate with complete strangers, and find a way to work together fast."
"Exceeds my expectations."
The tools, up close
Lovable and Uxia covered the tools for everyone at Imaguru that Saturday.
Uxia sends AI users through your prototype. They think out loud as they click, and the report shows where they got stuck and what to fix first.
On the day
Uxia opened accounts for the whole room before the day. Victor Perdiguer, Uxia's CTO, joined the prep call and walked everyone through the tool.
How do you feel about Uxia.app?
“Surprisingly easy to use and highly impactful. My first run perfectly segmented product pros and cons, giving me clear direction for the next iteration.”
Warsaw was the first open Product Build Day, and Uxia was part of it from the start. Thank you, Victor and Borja.
uxia.app ↗
Lovable turns a description in plain words into a working web app. You keep talking to it until the app does what you meant.
On the day
Every builder got 100 Lovable credits. All 11 live builds on this page run on Lovable.
What can you do now that you couldn't at 10am?
“To build a fully functional web application independently, conduct usability testing, and accomplish everything within a very short timeframe.”
Most of this room had never shipped an app before that Saturday. Thank you, Lovable.
lovable.dev ↗In their words
All 21 built an app that day. In the survey afterwards, this is what they wrote about the two tools.
"How do you feel about Uxia.app?"
“It's a really great tool. The insights were interesting, and the test was very easy to complete. I'll be happy to use it in the future.”
“It's a great tool, it helps improve the UX and gather more insights from users about the app.”
"What can you do now that you couldn't at 10am?"
“Coordinate AI tools for the optimal outcome and use synthetic personas to validate UX and design assumptions.”
“I learned a new AI tool for usability testing.”
“I can now build a non-complex platform with Loveable and test it with Uxia”
“Now I can use a new tool for me, Lovable, and think about Uxia in a more efficient and practical way.”
Quotes are the builders' own words from the survey after the day, sometimes shortened, shared with their permission. The 17 of 21 goes by job title: four of the builders write code for a living.