Custom web application
We develop custom web applications that perfectly align with your processes. No standard solutions, but smart applications that make your team more efficient and serve your customers better.
- From idea to delivery
- Full focus on your business
- Scalable solutions that grow with you
Visus OogkliniekCustom medical EHR system
A fully custom EHR system that supports the entire patient process: from medical history to discharge letters, including prescriptions, payments, and email automation.
DCA DienstverleningTime tracking and invoicing platform
A digital time tracking and invoicing platform that enables DCA Services to receive hotel data in one click and automatically invoice via WeFact — saving several days of work each week.
Visus OogkliniekOnline booking system with EHR integration
Patients can now book UVO appointments directly via the website. Staff confirm the booking in the EHR, after which an automated intake form invitation is sent.
Revise.meThesis editing platform
A platform where students can easily hire an editor to improve their thesis — with secure payments and automated payouts via Stripe.
Visus OogkliniekInternal scheduling system
We developed an internal scheduling system allowing staff to efficiently plan and manage treatments, preliminary exams, and check-ups.
SuperSpacesAIAnalytics & audience rewards for Twitter Spaces
An analytics and reward platform for X Spaces that gives hosts insight into their audience and automatically rewards loyal listeners.
Visus OogkliniekInternal ticketing & communication system
An internal ticket and task management system within the EHR, enabling staff to efficiently assign, track, and follow up on patient-related tasks, complete with reminders and smart filters.
GorillaJobsJob platform for healthcare professionals
A job platform focused on healthcare professionals, enabling institutions and candidates to connect quickly and directly — no hassle, no middlemen.
AtozLabsCreate, deploy, and mint NFT collections
A no-code NFT generator for creating, deploying, and selling thousands of unique images — with a mint page and support for Ethereum, Solana, and Zilliqa.
xCoHostManage your X Spaces like a pro
A platform to professionally manage your X Space — from speaker scheduling and invites to a live dashboard — used by thousands of hosts and millions of listeners.
Whats.WorkHire students for IT support
A mobile app that helps you find and hire nearby students for IT support. Match based on skills and hire instantly at their hourly rate.
HSI InstallatiesMobile handover & photo documentation app
A mobile app that allows HSI Installaties technicians to instantly link photos to projects, blocks, and house numbers — making handover documentation fast, accurate, and hassle-free.
GetGraspLightning-fast and manageable website
A fast and SEO-friendly website built with Nuxt.js and Strapi CMS, giving the GetGrasp team full control over content publishing.
ZoomAcademy – ReshiftWebshop and E-Learning platform
A headless Shopify Plus platform integrated with LearnWorlds, where users can buy and immediately access courses via SSO — with full content control for the marketing team via Builder.io.
Peau'DorHeadless Shopify webshop
A headless Shopify webshop built with Next.js and React that elevates Peau'Dor’s brand experience and conversion — fast, flexible, and marketing-ready.
OtenticWooCommerce webshop for a luxury perfume brand
A WooCommerce webshop for Otentic Perfumes that combines luxury, speed, and ease of use — ready for international growth and brand reinforcement.
Vorwerk & CoWordPress website for an accounting firm
A modern WordPress website for Vorwerk & Co that makes them professionally visible online and gives their team full content management control.
UNG CosmeticsWooCommerce webshop for cosmetics
A visually strong WooCommerce webshop for UNG Cosmetics, focused on conversion, brand experience, and easy management for the marketing team.
RolingWordPress website for insulation services
A professional WordPress website for Roling Isolatiebouw that clearly presents their services and projects — built for trust and new inquiries.
ZilliqaSam McKnight NFT drop
An exclusive NFT drop for Sam McKnight on Zilliqa, featuring unique artworks, a branded mint page, and unlockable content — ready for both the web3 community and loyal fans.
HSI InstallatiesWordPress website for floor heating specialist
A professional WordPress website for HSI Installaties that clearly presents their underfloor heating services and is easy to manage in-house.
Reviews
Rocksolid has been the driving force behind our platform for over a year. So far, they’ve helped us with everything from maintenance and bug fixing to developing new features. They work quickly, which keeps the expansion of our platform affordable. The collaboration is also smooth and efficient. We create a development roadmap together, and they also make time for urgent tasks on short notice. Because they’re so accessible, our platform is always up and running.
David
ReviseMe
An exceptional development company with outstanding service! A friendly and young team with a driven way of working! They build beautiful and fast websites! I can recommend them to everyone! Their approach is unique in the industry, striking a perfect balance between professionalism and a personal touch. They truly listen to the client’s wishes and translate them seamlessly into design and development.
Rick
LidekaHome
If you are looking for reliable developers who listen, challenge you to develop better software architecture and are fair in their work with you - you found your team. Mark and Daan have tremendous experience across mobile, web and blockchain and I could not recommend them more for any job at hand.
Fred
SuperSpacesAI
Rocksolid truly impressed us with their professionalism and efficiency. Their team delivers fast and reliable work, and communication is always smooth. The app they developed for us is not only functional but also looks fantastic. We’re very satisfied and definitely recommend them!
Roel
HSI Installations
At Rocksolid, we take pride in the technology we use for our web apps. Our goal is to stay at the forefront of technological innovation.
For backend development, we use powerful programming languages such as Laravel/PHP, Go, and Node.js. On the frontend, we use technologies like React, Vue, Next.js, and Tailwind to create interactive and user-friendly interfaces.
This combination of advanced technologies enables us to build software that is efficient, scalable, and secure — fully tailored to the unique needs of your business.
In short: applications accessible via a web browser. Our web apps are fully equipped, making them very easy and quick to use. Web applications can handle a lot of data and users at once without compromising loading speed. They’re also easy to update and maintain — essential for businesses that want to offer the best possible experience.
We build web applications to solve a wide range of problems. They can often be easily integrated with other online services and APIs, enabling seamless data exchange and workflows. Think of cloud-based CRM systems or project management tools tailored to your company.
We don’t just build solutions — we build the future of your business. By using our secure and scalable software, you meet the needs of your ideal customer, both now and in the future.
Web applications are ideal for information and communication purposes — such as blogs, news sites, forums, and discussion platforms where users share knowledge and engage. In healthcare, monitoring apps improve access to remote care. Streaming services and online games use web apps to deliver seamless and engaging experiences.
Productivity tools like Asana, Trello, Google Workspace, and Microsoft 365 support project management and collaboration. CRM and analytics tools provide insights and data analysis. For education, e-learning platforms and virtual classrooms offer interactive ways to learn.
AI, machine learning, and IoT are increasingly integrated into web apps, enabling smart recommendations, efficient data analysis, and connected devices. CMS platforms like WordPress and Joomla make it easy to manage and publish content without technical knowledge.
Service apps like booking systems and online banking allow easy reservations and financial transactions. Web apps are powerful tools for a wide range of needs — from information sharing to complex business processes.
By leveraging these capabilities, web applications can help businesses work more efficiently, lower costs, improve customer relationships, and become more competitive.
The cost of a custom web application varies depending on complexity, desired features, and integrations with other systems.
But more importantly: a good web application often pays for itself quickly. Consider:
- Less manual work → lower personnel costs
- Automated processes → faster turnaround times
- Better insights and reports → smarter decision-making
- System integrations → fewer errors and less duplicate work
- Customer self-service → higher satisfaction and reduced support load
We always think along within your budget and often start with an MVP (Minimum Viable Product). This way, you see results quickly and can expand as needed.