Web application development made easy

Web application development is the process of creating interactive tools, services, or platforms that run inside a web browser. Unlike static websites, web apps offer dynamic features like user accounts, data processing, or real-time updates.

Learn more in our guide on how to make a web app.

Not necessarily! You can learn coding languages like HTML, CSS, and JavaScript, or use frameworks like Node.js or Django. But if you want to skip the complexity, no-code and AI tools like Hostinger Horizons let you describe your idea in your own words and instantly generate a live, working web app.

Costs vary widely. Coding it yourself is affordable but requires time; hiring a development team can cost thousands. Using a no-code platform like Hostinger Horizons is an accessible, budget-friendly option. The plans are affordable, starting from ₱399.00/mo. They let you develop and launch apps without heavy upfront investment

For a detailed breakdown, see how much does a web app cost.

For coding, you’ll need a code editor (like Visual Studio Code), version control (like GitHub), and deployment tools. With a no-code builder like Hostinger Horizons, you only need one platform — it handles app creation, hosting, and deployment in one seamless flow.

There are many ways to make money from a web app. You can charge users directly through subscriptions or one-time purchases, run ads, offer premium features (freemium model), or sell access to specialized tools or content. Hostinger Horizons integrates with payment systems, making it easier to set up paid features or services.

For more inspiration, check out tips on how to monetize a web app.

Promoting a web application includes SEO, social media, content campaigns, and ads. Start by identifying your target audience and promoting the app through relevant channels.

Check out our guide on how to promote a web app for actionable tips.

Maintaining a web app means keeping it updated, secure, and running smoothly. This includes fixing bugs, updating software components, and improving features over time. Tools like Horizons simplify maintenance by bundling updates and hosting in one platform.

Testing ensures your web app works smoothly and meets user expectations. You can manually test it by interacting with all its features or use automated tools to simulate user actions and catch errors faster. With Horizons, you can easily preview and test your app in a sandbox environment before going live — no technical setup needed.

For more details, visit our web application testing guide.

Web app security includes setting up an SSL certificate, managing permissions, protecting user data, and monitoring for threats. Hostinger Horizons handles many security basics by default, but you can read more about web app security best practices.

Debugging means identifying and fixing issues in your app’s code or configuration. Traditional developers use browser dev tools, logs, or error tracking software. With no-code platforms like Hostinger Horizons, you can quickly ask AI to fix errors through the chat window.

Deployment is the process of moving your app from development to live hosting. Developers use cloud services, FTP, or CI/CD pipelines. With Hostinger Horizons, you skip the complex setup and publish your web app online instantly with one click.

Hosting involves choosing a provider to store your web app files and serve them to users. With Hostinger Horizons, hosting is built-in — no separate setup required. For more options, explore our web app hosting guide.

Websites display static or semi-dynamic content; web apps offer interactive features like user accounts or real-time updates. Which is better depends on your goals.

Read more in our comparison of web app vs. website.

Web apps work in browsers; mobile apps are downloaded to devices. Web apps are easier to update and deploy, while mobile apps can offer better device integration.

See our full web app vs. mobile app breakdown for pros and cons.