From idea to MVP in weeks, not months.

We build functional MVPs that impress investors, delight users, and get you funded faster.

Starting at €5,000

For early-stage founders who want to validate quickly and confidently.

Product Strategy

We'll define the core idea, user flows, and main features.

Functional Prototype

We'll prepare a fully working MVP, so you can get to testing and pitching.

User Testing

We'll run user testing and iterate based on real feedback.

Instructions
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collab

Who we work with

You've got a product to build, and it should feel effortless. If it doesn’t, we’ll fix it.

Early‑Stage Founders

Big idea? Let's make it real. We’ll build a working MVP with low-code, so you can test and pitch.

Startups

Users dropping off? We fix friction points so they stay longer, convert faster, and love using your product.

Growing Companies

Scaling shouldn’t be a headache. We help keep your UX smooth, simple, and ready for what’s next.

results

Redefined products

We don’t just make things look good. We make them work better, faster, and smarter.

Investor-Ready MVP

Helped a startup build and demo an MVP that wowed investors and secured early buy-in.

Pet Longevity Platform

Completely revamped a longevity app, helping pet parents extend their pets’ lives worldwide.

"The team at 23harmony are not just superb designers but also product experts, ensuring a meticulously planned user experience. We highly recommend them to startups or companies looking for amazing, flexible design solutions."

Matt Keyes
COO at MyPetGo

"We demoed the MVP in our recent board meeting to the investors & advisors last week and received great feedback for it! Everyone was really impressed about the tool, which has been created in such a short time. These credits go all to you for the design!"

Schirin Yazgan
Head of Product at XO Life

Internal Tool → SaaS

Transformed an internal tool into a powerhouse SaaS suite — built in record time.

UX for Growth

Simplified a growing startup's UX, increasing activation rates and reducing drop-offs.

benefits

Why work with us?

We keep things simple: clear processes, fast iterations, and designs that work.

Boutique Approach

We work with only a few clients at a time for a truly personalized experience.

Proven methods

We share our own builds publicly. See what works in real time.

Seamless collaboration

From idea to launch and beyond, we stay by your side.

AI‑Enhanced Prototyping

Faster, smarter, and built for modern product needs.

How functional will the MVP be?

Your MVP will be fully interactive and user-ready, allowing you to test, demo, and pitch your idea confidently.

How involved do I need to be in the project?

We’ll need you involved for the initial strategy session and occasional check-ins. Beyond that, we handle everything, so you can stay focused on your business.

Can we refine or add features after?

Yes! We set you up for easy iterations and provide a clear roadmap. Future enhancements can be handled through custom projects or our retainer services.

Do you help with user testing?

Definitely. We'll set up everything you need to gather feedback from real users and help you interpret the results clearly.

Ready to scale your product to new heights?

If world-class design and meticulous attention to every detail is what you're looking for, then you're in the right place.

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