Contact Have a nice day e.U.
Get a custom proposaliOS, android, web & AI apps
Have a nice day e.U. is a small software studio in Vienna, Austria. We build mobile and web applications the whole way: iOS and Android apps, web frontends, backends, APIs, servers and third-party integrations — and we keep running them in production afterwards.
We are product makers first: our own apps are live on the App Store and Google Play with paying subscribers — AI food scanning, family safety and camera apps, staff scheduling, booking systems, and an AI phone receptionist that answers real calls. Building and operating our own products means we know what happens after launch: updates, monitoring, user support and store compliance.
For clients we do the same work: new apps and MVPs, AI integrations (chat, voice agents, document processing), taking over and finishing existing codebases, payments and subscriptions (Stripe, in-app purchases), and Web3 / smart-contract development.
One small team goes from first design to deployment, so nothing is lost in handovers — you talk directly to the people who write the code. We work carefully, communicate simply, and deliver on time.
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Min project size
$1,000+
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Hourly rate
$50 - $99 / hr
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Employees
2 - 9
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Year founded
Founded 2024
Service Lines
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Clients
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