Web Application - A Modern Solution for Your Business

Posted onMay 4, 2025

Reading time9 min

CategoryTechnology

AuthorMichał Rowiński• CEO NextGen Sites

Introduction

Imagine accessing your entire business ecosystem with one click - all data, documents, business processes - without needing to install any software. Sounds like the future? Well, that future has already arrived, and it's called: a web application.

If you're an entrepreneur facing the challenge of digital transformation for your business, you're probably asking yourself several questions. "Website or application? What will my customers choose? How much will it all cost? Is it even worth it?" I completely understand these dilemmas - I've guided many clients through this maze of decisions.

"In a world where every business is a digital business, a web application is no longer a luxury - it's a fundamental tool of a modern enterprise."

What is a web application?

Before we dive into details, let's clarify a basic doubt: what exactly is a web application and how does it differ from a traditional website? The line between these concepts is becoming increasingly blurred, but there are several key differences.

A web application is a computer program that runs in a web browser and performs specific tasks and business functions. Unlike a classic website that mainly presents information, a web application enables interaction, data processing, and execution of specific business operations.

Key differences between a website and a web application

The difference is best understood with an example. Imagine browsing an online restaurant menu - that's an example of a website. But when you start placing an order, selecting products, making payments, and tracking delivery status - you're using a web application.

A web application runs in a browser but offers functionalities similar to traditional computer programs. You don't need to install anything, updates are automatic, and you can access it from any device with a browser and internet connection.

How does a web application work?

A web application operates on the principle of communication between the frontend (what the user sees) and the backend (server where data is processed). In the traditional model, each interaction required reloading the entire page. Modern web applications, especially those built with technologies like Next.js (which we use at NextGen Sites), operate in the SPA (Single Page Application) model or use SSR (Server Side Rendering) technology.

What are web applications used for?

Wondering if your business really needs a web application? Let's look at the most popular uses that are revolutionizing how companies operate.

Business process management

Imagine a platform where all your company's processes - from lead generation through sales, customer service, to finances - are integrated in one place. A web application can serve as a comprehensive ERP (Enterprise Resource Planning) system, eliminating information silos and ensuring smooth data flow between departments.

One of our clients, construction company BuildWise, reduced project completion time by 27% and increased profitability by 15% after implementing such a solution. All thanks to automating processes that were previously performed manually in spreadsheets.

Automation and AI document processing

"Every business's greatest resource is its employees' time. A web application with AI elements can unleash this potential by automating routine tasks."

Modern web applications can integrate with artificial intelligence algorithms that process documents, recognize content, categorize information, and make basic decisions. Imagine a system that automatically reads supplier invoices, enters data into the accounting system, and suggests payments based on historical patterns.

Examples of AI applications in web applications:

Customer relationship management (CRM)

At the heart of every business are its customers. A CRM-type web application allows not only collecting customer information in one place but also tracking their purchase journey, analyzing behaviors, and personalizing communication.

Moreover, modern CRM applications offer marketing automation, lead tracking, and comprehensive reporting, giving you full insight into the effectiveness of your sales and marketing activities.

E-commerce and sales platforms

Is an online store a web application? Definitely, especially when we talk about advanced platforms offering:

• Personalized product recommendations
• Dynamic pricing based on user behavior
• Multi-channel sales (omnichannel)
• Advanced sales analytics
• Integration with warehouse and logistics systems

Key advantages of web applications

Why are more and more entrepreneurs choosing to invest in web applications instead of traditional software? Here are the key benefits that convince even the most conservative companies.

Accessibility from anywhere and any device

A web application runs in a web browser, meaning you can access it from anywhere in the world and from practically any device with a browser - computer, tablet, or smartphone. In a world where remote work has become the norm rather than the exception, this is an invaluable advantage.

Low maintenance costs and automatic updates

Unlike traditional software, web applications don't require installation or manual updates. All changes and improvements are implemented on the server and immediately available to all users. This eliminates costs associated with update distribution and technical support.

Moreover, hosting applications on platforms like Vercel (which we use at NextGen Sites) practically eliminates infrastructure maintenance costs, offering automatic scaling depending on load.

Data security and regulatory compliance

Professionally designed web applications offer a high level of data security, often surpassing on-premise solutions. Data centralization in the cloud enables implementation of advanced security mechanisms, regular backups, and monitoring for unauthorized access.

An additional advantage is easier compliance with regulations like GDPR, thanks to centralized consent and personal data processing management mechanisms.

How much does it cost to develop a web application?

The question about web application cost is similar to asking "how much does a car cost?" - it all depends on specifications, complexity, and requirements. However, we can outline some price ranges to help you plan your budget.

Factors influencing web application cost

1. Functional complexity - more features mean higher cost
2. Design and UX - advanced interfaces, animations, and visual effects increase cost
3. Integrations with external systems - APIs, payment gateways, logistics systems
4. Scalability - preparing the application for high traffic
5. Security - advanced authorization mechanisms, data encryption
6. Technical support and development - maintenance and update costs after deployment

Estimated web application costs

At NextGen Sites, we also offer cooperation models based on product development stages (MVP → full version), allowing you to spread costs over time and verify business assumptions before full implementation.

What to build a web application with?

Technology choice is crucial for project success. At NextGen Sites, we specialize in building web applications based on the Next.js 15+ framework, which offers:

• Unmatched performance thanks to hybrid rendering
• Excellent SEO optimization
• Progressive Web Apps (PWA) support
• Advanced features like Incremental Static Regeneration
• Easy integration with headless CMS (like Sanity)
• Extensive customization and scaling capabilities

Next.js is used by tech giants like OpenAI, Nike, TikTok, and Twitch, confirming its reliability and performance for large-scale applications.

Is a web application the same as an online store?

While an online store is one type of web application, these terms aren't synonymous. Let's explain the key differences and consider when it's worth investing in a full-fledged web application instead of a simple store.

Differences between an online store and a web application

An online store focuses mainly on product presentation and the purchasing process. A web application may include store functionality but typically offers much more:

• Advanced customer relationship management
• User experience personalization
• Integration with warehouse and logistics systems
• Data analysis and business reporting
• Automation of internal processes

"A web application isn't just a place where customers can buy your products, but a comprehensive tool for digital transformation of your entire enterprise."

When to invest in a web application instead of a store?

Consider a web application if:

1. You need a scalable solution that grows with your company
2. You want to integrate sales processes with other business areas
3. You need advanced analytics and personalization
4. You're planning a multi-channel sales strategy
5. You have unique business processes requiring custom solutions

How is a web application different from a desktop application?

Desktop applications installed on computers were the standard for decades. However, we're now seeing a massive migration toward web solutions. Why?

Main differences and advantages of web applications

Modern web applications, thanks to technologies like Progressive Web Apps (PWA), increasingly offer features traditionally associated with desktop applications, such as:

• Offline operation
• Access to hardware resources (camera, microphone, location)
• Push notifications
• Installation on home screen

Examples of transformation from desktop to web

Microsoft Office was complemented by Office 365 (now Microsoft 365), offering full office suite functionality in a browser. Adobe moved many of its flagship products to the cloud via Creative Cloud. These examples show the direction the software industry is heading.

How can web applications revolutionize your business?

Web applications aren't just technological novelties - they're tools that can fundamentally change how your company operates. Here are some examples of the transformational impact they can have on various aspects of operations.

Process automation and operational cost reduction

Imagine all repetitive processes in your company - from data entry through report generation to invoicing and settlements - being automated. A web application can:

One of our logistics clients reduced operational costs by 32% in the first year after implementing an automated fleet and warehouse management system.

Improved customer service and personalization

Web applications enable real-time customer data collection and analysis, allowing for:

• Offer and communication personalization
• Need prediction based on historical behaviors
• Basic service automation through chatbots and support systems
• Multi-channel communication integrated in one system

Increased team work efficiency

Web applications for project management and internal communication can dramatically increase team productivity:

• Communication and documentation centralization
• Real-time project progress tracking
• Document collaboration without version sending
• Task assignment and deadline reminder automation

Business analytics and data-driven decision making

Modern web applications offer advanced analytical capabilities:

• Dashboards presenting key indicators in real time
• Predictive analytical models using machine learning
• Automatic alerts about anomalies and trends
• Data visualizations facilitating decision making

Frequently asked questions about web applications

Do web applications need to be downloaded?

No, this is one of the key advantages of web applications. They operate directly in a web browser, so there's no need to download or install them. Just open the link, log in, and start working. Some web applications offer PWA (Progressive Web App) functionality, allowing you to "install" a shortcut on your device's screen for quicker access, but even then you're not installing an application in the traditional sense.

How much does a simple web application cost?

The cost of a simple web application in Poland typically starts from about $4,000. However, the price depends on many factors:

• Functional complexity
• Interface customization level
• Number of integrations with external systems
• Security and performance requirements

At NextGen Sites, we offer a transparent pricing model based on detailed business and technical requirements analysis.

How long does it take to develop a web application?

The development time for a web application project depends on its complexity:

• Simple web application (e.g., booking system): 1-3 months
• Intermediate application (e.g., CRM): 3-6 months
• Complex application (e.g., e-commerce platform with advanced features): 6-12 months

At NextGen Sites, we practice Agile methodology, dividing projects into stages and delivering functional products after just a few sprints, allowing our clients to quickly see business value.

What types of web applications are there?

Web applications can be divided into several categories:

1. Static applications - based mainly on HTML, CSS, and minimal JavaScript
2. Dynamic applications - generating content in real time based on user data
3. Single Page Applications (SPA) - advanced applications loading as a single page
4. Progressive Web Apps (PWA) - web applications offering native-like experiences
5. Hybrid applications - combining server-side (SSR) and client-side rendering elements

At NextGen Sites, we specialize in building applications based on the latest approaches, primarily Next.js, combining the advantages of SSR, SPA, and PWA.

Summary

Web applications are much more than just websites with additional features. They're comprehensive business tools that can revolutionize how you run your company, serve customers, and manage internal processes.

"In the era of digital transformation, the question isn't 'if' but 'when' to invest in a web application that will take your business to the next level."

If you're considering implementing a web application in your company, remember a few key aspects:

1. Clearly define the business goals the application should achieve
2. Choose modern technologies offering performance and scalability
3. Ensure a friendly and intuitive user interface
4. Guarantee data security and regulatory compliance
5. Plan long-term application development

At NextGen Sites, we specialize in creating modern web applications based on Next.js technology. If you're considering implementing a web application or have questions about the possibilities it could bring to your business, we invite you to contact us. Our team of experts will help you choose the best solution tailored to your needs and budget.