Rengstorff AI uses AI-driven development to build and launch websites and mobile apps for merchants — at a fraction of the time and cost of a traditional agency. No technical knowledge required.
Tell us what you need in plain language. We turn it into polished, production-ready software, and help you protect the brand and inventions behind it.
Fast, mobile-friendly business websites and landing pages that look great and rank well on search engines.
iOS and Android apps for your customers — ordering, bookings, loyalty — published to the App Store and Google Play.
E-commerce with product catalogues, secure payments and order management, ready to take sales from day one.
Trademark and patent searches, filings and ongoing protection in the US and abroad, for US and non-US businesses.
Learn more →AI accelerates design, coding and testing, while our team makes sure everything meets a professional standard.
You focus on your business. We handle everything technical.
Describe your business and what you want — no tech terms needed.
Receive a clear scope, timeline and fixed price, fast.
AI builds it rapidly. You try a live preview and request tweaks.
We launch your site and publish your app. You start selling.
None at all. Just explain what your business does and what you'd like your customers to be able to do. We take care of design, development, hosting and publishing.
Our AI-driven workflow automates much of the design, coding and testing that agencies do by hand. Fewer manual hours means a faster delivery and a lower price for you — with experienced people reviewing every release.
Yes. We prepare and submit your app to both stores and guide you through setting up the accounts in your business's name, so you own everything.
You do. Your domain, your content and your app listings belong to your business.
Yes. Our IP protection service covers trademark and patent searches, preparing and filing applications in the US and internationally, responding to examiners, and monitoring and enforcing your rights after registration. It's available to both US and non-US businesses. See how it works.
We offer ongoing support, and because changes are AI-assisted too, updates are quick and affordable whenever you need them.
Tell us about your project and we'll get back to you with a plan and a quote — quickly.