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Design system: what it is and why it saves time and budget

Twelve shades of blue, seven button styles, forms that behave differently from page to page: that's what happens to almost every digital product that grows without shared rules. Every new screen is designed and built from scratch, timelines stretch and the experience loses consistency. A design system is the answer to this problem.

What is a design system?

A design system is a set of rules, reusable components and documentation that defines how a product's interface is built. It isn't just a graphic library in Figma: it's a common language for designers, developers and product managers, with a direct counterpart in code.

What it's made of

UI kit and styleguide for a web app

Why it saves time and budget

Faster development

When the components already exist, a new feature is built by assembling tested pieces rather than starting from zero. The team focuses on product logic, not on redesigning yet another button.

Fewer errors and less rework

Components already validated for usability and accessibility reduce bugs and inconsistencies. Reviews focus on what's genuinely new.

Centralised updates

Changing a brand colour or improving a component happens in one place and propagates everywhere. A restyling that used to take months can be done in weeks.

Scalability across products

For companies with several apps, websites or platforms, a design system ensures a consistent brand experience and lets different teams work in parallel without drifting apart.

Consistent icon set designed for an app

When it makes sense to create one

You don't need to start with a huge system. Even an MVP benefits from a minimal set of tokens and components that grows with the product. It becomes essential when the team grows beyond a few people, when there's more than one product or when the interface has started to lose consistency.

GlueGlue design and development team working on a design system

How to build a design system

  1. Inventory the existing interface to find duplicates and inconsistencies.
  2. Define the design tokens and core principles.
  3. Design the priority components in Figma, with variants and states.
  4. Implement them in code, for example as a Flutter widget library or web components.
  5. Document everything and set governance rules to keep it alive over time.

Design systems: frequently asked questions

Are a design system and a UI kit the same thing?

No. A UI kit is a collection of graphic elements; a design system also includes rules, documentation, code and a process for evolving it.

Can you start from Material Design or an existing system?

Yes, and it's often a sensible choice: you start from a solid base and customise it with brand-specific tokens and components.

How long does it take?

A first usable version can be ready in 4-8 weeks. After that, the system grows with the product.

Conclusion

A design system is an upfront investment that pays back with every new feature: less time spent redesigning, fewer bugs, a more consistent experience and a more recognisable brand. GlueGlue designs and implements design systems for apps and platforms, from the Figma file all the way to code.

Let's talk about your project: get in touch with the GlueGlue team

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We are the only Italian company partner of Google Flutter. Our partnerships and awards are the lifeblood of our work: from Stripe to Google, we choose excellence to guarantee continuous value to our customers.

Our replies
to your questions

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Why choose glueglue?

We are a digital product agency with over 10 years of experience and advanced expertise in design and development. We have refined an agile and effective method, suitable for both startups and large enterprises, ensuring execution speed and consistent quality. We position ourselves in the upper‑mid range of the market, offering excellent value for money. Every project is overseen directly by the founding partners to ensure outstanding results. We are among the top User Experience and digital product agencies on Clutch, the leading global database for digital consulting.

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How does glueglue work and what are your areas of expertise?

We start with an in‑depth needs analysis, considering product and business objectives in the medium to long term. We often begin with visual identity: we assess positioning, analyze competitors, and identify opportunities to improve brand and image. We then move to UX/UI: we conduct a professional UX Review to identify areas for intervention and improve the usability of the site or app. We design the User Journey Map, mapping all touchpoints to understand real use cases and where to create tangible value. We create wireframes and share an interactive prototype that defines the functionality, structure, and interactions of each page. Once the wireframes are consolidated, we refine the interface design in detail to ensure a pleasant and consistent experience. Finally, our developers implement the product with modern technologies such as React, Flutter, Symfony, Svelte, Node.js, and more, ensuring quality, stability, and pixel‑perfect results.

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Do you use artificial intelligence?

Yes, on two fronts. Inside our own method, where it helps designers explore and compare several directions in hours instead of days, and helps engineers accelerate repetitive phases and raise quality with broader review and testing.
And inside the products we build for our clients: document and file analysis, predictive models, understanding of unstructured text, semantic search, assistants and automations.
For us it is a multiplier, not a shortcut: people stay in the loop and every AI feature has a success metric defined before it is written. Read how we use AI.

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What sets glueglue apart from other top design or product agencies?

We work on a limited number of projects to maintain constant focus and achieve excellent results. We manage each project with clear deadlines and regular meetings, building tailor‑made, truly customized solutions. With over 10 years of experience in digital, we apply a proven method that maximizes results in strategy, design, and development.

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Can you handle web design?

Yes. We work on iOS/Android apps, web apps, and complex platforms. A dedicated team also creates marketing websites, sites designed to effectively promote products or services.

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Do you also do branding or should I look for another agency?

We are a full‑service agency and offer branding services such as naming and logo design. We produce complete brand guidelines and work both on existing guidelines and in collaboration with other branding agencies.

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How much does it cost to entrust you with a digital project?

We believe in transparency: talking openly about budget helps create value for both sides. Every client has different needs, which is why we don’t use a fixed price list. Instead, we take the time to understand the context and propose a tailored approach with a fair, appropriate investment. Our UX/UI design projects start at €15,000, while branding engagements begin at €8,000. Mobile app development typically requires an investment starting from €40,000, web apps from €30,000, and websites from €15,000. Our average hourly rate for consulting is €70/hour.

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Do you also work with early‑stage startups, therefore with limited resources?

Absolutely yes: we love startups and often collaborate with talented entrepreneurs. We have invested in multiple ventures, favoring work for equity, contributing to funding rounds totaling over €30 million.

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