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OnlineAppCreator

Custom apps for public sector clients: procurement-ready, accessible and secure

Public sector projects differ from commercial ones in three main ways: procurement follows strict rules, accessibility is a legal requirement, and expectations around data protection and security are especially high. OnlineAppCreator plans for all three in architecture, design and documentation. The result is software for citizens, employees or internal processes that passes acceptance testing and can be maintained for years.

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In short

OnlineAppCreator is the B2B and B2G agency of jocapps GmbH for custom app and software development. For public sector clients we build apps and line-of-business software that account for procurement rules, accessibility under EN 301 549 and WCAG, the GDPR and information security from day one. Our work follows ISO 9001 and ISO 27001 certified processes.

Your benefits

Tender-ready proposals

Our bids and documentation align with your specification and with standard public IT contract terms.

Accessibility built in

EN 301 549 and WCAG shape design, development and testing rather than being checked only at the end.

Security you can audit

ISO 27001 certified processes, documented data flows and role concepts make sign-off by data protection and security teams easier.

AI where it adds value

Knowledge assistants built on kalAIDoCreate can be integrated into business applications when the use case justifies it.

Procurement: what contracting authorities can expect

Procedures vary with contract value and authority. Above the EU thresholds, EU procurement directives apply, and below them national rules take over. In Germany, many authorities use the standard EVB-IT contract terms for IT services, typically EVB-IT Erstellung for custom software development.

We support you with clear scopes in our proposals, transparent effort estimates, evidence of our quality processes and documentation of our security practices. During preliminary market consultations we are happy to talk, without distorting competition.

With long-term maintenance in mind, we arrange source code, documentation and usage rights so you are not permanently tied to a single supplier.

Accessibility and usability

Public bodies in the EU must make their websites and mobile apps accessible. The technical benchmark is the harmonized standard EN 301 549, which builds on WCAG, and national rules such as Germany's BITV 2.0 add requirements like an accessibility statement and a feedback mechanism.

We plan contrast, font sizes, screen reader support and keyboard navigation from the outset. For early usability feedback we use UXreviewer.io, which provides AI-assisted improvement suggestions. It does not replace testing with assistive technologies and people with disabilities, but it complements that work well.

Citizen-facing apps benefit directly: plain language, understandable error messages and an interface that works without instructions reduce calls to your helpline.

How a project runs

Our AI code engineers use current tools such as Claude Code and Codex, but every change is reviewed and documented by a human engineer.

Store apps are published in your authority's own accounts. Apple requires an Apple Developer Program membership, and Google Play organization accounts need a D-U-N-S number.

  1. In a free 15-minute intro call we discuss the project, procurement route and constraints.
  2. We prepare a proposal with scope, architecture outline and assumptions about hosting and operations.
  3. Development runs in short iterations with regular acceptance by the business owners.
  4. Before go-live we verify accessibility, security and documentation and hand everything over for operations and maintenance.

Frequently asked questions

Do you take part in public tenders?

Yes. OnlineAppCreator bids on public tenders when the scope and qualification criteria fit. We also take part in preliminary market consultations.

Native apps or web applications?

Both. Depending on audience and requirements, we recommend a web application, a cross-platform app built with React Native, or native apps. The choice often has a big impact on accessibility and maintenance effort.

Do you work on site?

Yes, when it helps, for example for workshops with departments or acceptance sessions. Most development happens remotely across the DACH region and internationally.