Your app, generated by AI

Build an app with AI

Describe your app idea and AI generates a functional, modern web app. Perfect to validate an idea, launch an MVP or equip your business.

14'036+ sites created in the last 30 days

In 2026, building a web application is no longer reserved for technical teams. AI generation platforms allow any entrepreneur, freelancer, or project founder to go from idea to a live app in minutes. Kleap is one of these platforms, designed to produce modern web apps from a simple natural-language description, with European hosting and one-click publishing.

Why build your app with AI

From idea to working prototype, without a dev team.

From idea to app

One prompt and AI generates a functional web application you can test immediately.

Fast to iterate

Add features, change the interface, adjust the logic, in natural language.

Modern and responsive

An app with a current design that works as well on mobile as on desktop.

Ready to publish

Publish your app in one click and connect it to your domain.

What does creating an app with AI actually mean?

The principle is based on what practitioners call 'vibe coding': you describe your project in natural language (in English, in a few sentences), and the AI generates the code, interface, and application structure on your behalf. You do not write any code, you do not install any software. The result is a real web application, with its pages, components, and design, ready to be edited and published.

This is not just a mockup: the generated app is functional, hosted on an accessible URL, and can be iterated upon with further natural-language instructions ('add a contact form', 'change the primary colour to navy blue').

  • No development skills required
  • Generation from a description in plain language
  • A real web app, not a static mockup
  • Modifications via natural-language instructions, no code changes needed
  • Result published on an accessible URL from the very first generation

Who is this for?

This approach suits a broad range of profiles, provided the project is a web application (and not a native iOS or Android app subject to app store review). Here are the most common use cases:

  • Entrepreneurs and founders: validate an idea, launch an MVP without a development budget
  • Freelancers and consultants: quickly create a client tool or personalised portal
  • Marketing and communications teams: campaign pages, calculators, simulators
  • SMEs and micro-businesses: digitise a form, catalogue, or internal process without an IT department
  • Content creators: landing pages, portfolios, sales pages
  • Project founders in the ideation phase: test a hypothesis before investing

What types of applications can be created?

The platform generates web applications suited to many contexts. The AI adjusts the structure, design, and features based on your description.

  • Showcase sites and landing pages with contact form
  • Professional portfolios (photographers, designers, consultants)
  • Sales pages and product pages
  • Simulators and calculation tools (quotes, comparisons, budgets)
  • Product or service catalogues
  • Simple internal tools (dashboards, data entry forms)
  • Sites for events, restaurants, hotels, associations
  • Presentation apps for startups and projects in the MVP phase

How to create your app with Kleap: the steps

The process is designed to be as direct as possible. Here is how app creation works from start to finish on Kleap:

  • Step 1: Describe your project. Give precise context: type of app, sector, target audience, desired features. The more detailed the description, the better the initial result.
  • Step 2: The AI generates the application. Within seconds to a few minutes, Kleap produces a complete app with design, content, and structure tailored to your description.
  • Step 3: Refine through instructions. Modify colours, sections, text, and layout with simple sentences in plain language. Each instruction updates the app in real time.
  • Step 4: Preview on mobile and desktop. The app is responsive by default; check the rendering across all formats from the interface.
  • Step 5: Publish. One click puts your app live on a free Kleap subdomain. Then connect your custom domain if you have one.

Advantages and limitations of the approach

An honest analysis helps you determine whether this method fits your project. AI radically accelerates creation but does not eliminate all constraints.

  • ADVANTAGE: Speed to launch -- a functional prototype in minutes rather than weeks
  • ADVANTAGE: Zero developer cost for simple to medium projects
  • ADVANTAGE: Rapid iteration -- modifying the app is as simple as creating it
  • ADVANTAGE: Publishing included -- no need to manage a separate hosting provider
  • ADVANTAGE: Accessible at any technical level -- no code to write or understand
  • LIMITATION: Highly complex apps (advanced business logic, multiple API integrations) require additional development
  • LIMITATION: Native iOS or Android apps (submitted to the App Store or Play Store) are not the use case -- Kleap generates web apps
  • LIMITATION: For projects with strict compliance requirements (advanced GDPR, financial sector, medical), a technical audit is still recommended

Free, then what?

Kleap offers free access to create and publish your first application. You get a public URL, a functional design, and the ability to iterate through instructions. Advanced options (custom domain, removal of the Kleap badge, multiple apps) are available on paid plans.

  • Free plan: create, edit, and publish a web app on a Kleap subdomain
  • Custom domain: connect your own domain name (paid plans)
  • Multiple projects: manage several apps from the same account
  • No credit card required to get started

European hosting and data privacy

One thing that sets Kleap apart from several American alternatives: the infrastructure is hosted in Europe (Hetzner servers, EU), and the AI models used run in European datacentres. Your data and your users' data do not pass through servers outside the EU.

This choice is relevant for projects subject to GDPR and for teams with data localisation requirements, even if a formal certification (SOC 2, ISO 27001) is not part of the current offering.

  • Servers in Europe (Hetzner, EU)
  • AI models running in European datacentres
  • No data transfer to servers outside the EU
  • Consistent with GDPR requirements for standard web projects

Why Kleap over another tool?

There are around a dozen AI app generation tools in 2026. Here is what distinguishes Kleap in this landscape:

  • Native language interface: generation and modifications work natively in your language
  • Publishing built into the flow: no need to connect a third-party hosting provider (Netlify, Vercel) after generation
  • European hosting by default, with no configuration needed
  • Web apps ready to share, with no export friction or integration required
  • Community of existing projects to explore and remix for a faster start
  • Enterprise option available for more ambitious projects (agency support)

Kleap vs other approaches

To create an application without coding, several paths exist. Here is how Kleap compares to the main alternatives.

CriterionKleapBolt.new / LovableBubble / AdaloFreelance developer
Time to first resultA few minutesA few minutesA few hoursSeveral weeks
Skills requiredNoneEnglish recommendedLearning curveAbility to brief
Interface languageNative languagePrimarily EnglishEnglishVariable
Publishing includedYes, integratedExport to Netlify/VercelYes (paid)To be configured
European hostingYes (Hetzner EU)No (US)No (US)Depends on the freelancer
Starting costFreeLimited free planLimited free tierVariable by profile
Iteration by natural languageYes, in your languageYes, in EnglishPartialVia tickets/briefings

swissIa.creerAppAvecIa.localContextTitle

Kleap is a Swiss platform, with infrastructure hosted in Europe (Hetzner, EU)
The interface and generation are natively available in multiple languages, which is a direct advantage for French-speaking users (French-speaking Switzerland, France, Belgium, Quebec)
Consistent with the GDPR regulatory framework: EU hosting, no data transfer outside the EU
Suited to Swiss SMEs looking to digitise without hiring a developer or using an expensive external provider

Built with Kleap

Real sites from the community

View all
TypeScript
View live

TypeScript

TTEST
2
Principal Frontend Engineer
View live

Principal Frontend Engineer

?Creator
4
RescueGrid — Emergency Response GIS
View live

RescueGrid — Emergency Response GIS

BBBariwhite blues
4
Blarney Stone
View live

Blarney Stone

KKKuhyon Kim
3
Expert Full
View live

Expert Full

AAnshuman
2
No Child Labour, Tung Tung Unboxing
View live

No Child Labour, Tung Tung Unboxing

?Creator
1
Bamboo-the green gold of Manipur
View live

Bamboo-the green gold of Manipur

SSSaumya Sachdeva
1
CharacterScope
View live

CharacterScope

NMNightmare Moon
1
Absolute Design Replication Task Goal
View live

Absolute Design Replication Task Goal

SHStefani Hezheng
1
JUST SMILE
View live

JUST SMILE

TMTahar Menni
1
Professor Especialista
View live

Professor Especialista

SPScotney Professor lp
0
Withdrawal Site
View live

Withdrawal Site

HPHandwrytten Publication
0

Frequently asked questions

Do you need to know how to code to create an app with Kleap?

No. Kleap is designed to work entirely in natural language. You describe your project in plain language, and the AI generates the code, interface, and content on your behalf. No development knowledge is needed to create, edit, and publish your app.

How long does it take to get a first version of my app?

The initial generation typically takes anywhere from a few seconds to a few minutes depending on the complexity of your description. You get a functional, published app well before you finish your coffee. Subsequent iterations (editing text, adding a section, changing colours) are also nearly instantaneous.

What is the difference between a web app generated by Kleap and a native iOS or Android app?

Kleap generates web applications (accessible via a browser, on any device). These apps are responsive and work perfectly on mobile, but they are not native apps downloadable from the App Store or Google Play Store. If your project requires a native store app, a different approach is needed.

Can I use my own domain name?

Yes. Your app is first published on a free Kleap subdomain (myproject.kleap.io). You can then connect your own domain name through your account settings. The configuration is managed by Kleap, with no technical steps on your side.

Is the generated app truly functional or just a mockup?

It is a real web application, not a clickable mockup or prototype. It is hosted, accessible by URL, and can be shared, presented to investors, or used as a beta version of a product. For very advanced features (complex payments, multi-role authentication, heavy relational databases), additional development may be needed depending on the case.

Is Kleap free?

Yes, Kleap offers a free plan to create and publish your first application. Advanced features (custom domain, removal of the Kleap badge, multiple simultaneous projects) are available on paid plans. No credit card is required to get started.

Is my data hosted in Europe?

Yes. Kleap uses Hetzner servers hosted in the European Union. The AI models used also run in European datacentres. Your data and your users' data are not transferred to servers outside the EU, which is consistent with GDPR requirements for standard web projects.

Can an app be modified after the initial generation?

Yes, and this is one of the system's key strengths. You can refine your app at any time through natural-language instructions: 'add a testimonials section', 'change the heading font', 'remove the pricing block', etc. Each modification is applied and visible immediately in the preview.

Is Kleap suitable for launching an MVP or testing an idea?

This is one of the primary use cases. Launching an MVP with Kleap lets you validate an idea with real users within hours, without heavy financial commitment. Once traction is confirmed, you can continue iterating on Kleap or export your project to a more advanced development environment.

What if my project is more complex than what the AI can generate alone?

Kleap also offers an enterprise support offering, delivered by the Lionscreative agency, for projects requiring custom development: business software, client portals, back-office tools, complex API integrations. Contact the team to discuss your project.

Related topics

Build a website with AIAI Website Generator in SwitzerlandAI Agents for Swiss companies

Bring your app idea to life

Describe your application and let AI generate the first prototype.

Build my appDiscover AI in Switzerland
Build an app with AI | AI-generated web application | Kleap