Over the years, many clients have come to us with important and often urgent ideas: an app that solves a specific workflow issue, a platform to digitize a service, or a mobile experience to reach a new audience. But behind each idea is a critical technical decision that influences not just how fast the app can be built, but how it performs, scales, and evolves: the technology stack.
At Arpacore, we've spent years advising clients on the best technologies to use based on their project goals. This article is designed to make our reasoning transparent. It answers many of the questions we regularly receive — from "Why did you pick Vue over React?" to "Is Flutter better than native apps?" — and helps you understand the tools we use to build high-performing, scalable, and elegant web and mobile applications.
A “stack” refers to the combination of tools, frameworks, and programming languages used to build and run an application. It includes:
We don’t believe in one-size-fits-all. We build the stack around your project’s needs — not the other way around.
The frontend of your app is your users’ first impression. We prioritize performance, accessibility, and smooth interactivity. Here's what we use and why:
Vue is a progressive JavaScript framework that offers a balanced mix of simplicity and power. Nuxt, built on top of Vue, brings server-side rendering (SSR), static site generation (SSG), and routing to the table — all essential for SEO and performance. We choose this stack for:
Tailwind is a utility-first CSS framework that allows us to design highly responsive, consistent, and modern UIs without bloated stylesheets. It’s extremely efficient for:
JavaScript is the core language of the web, but for larger applications we adopt TypeScript, which adds static typing. This helps catch bugs early, improve refactoring, and enhance documentation — especially important for long-term maintenance.
Mobile experiences are essential for many businesses. Depending on your goals, we offer three core approaches:
For iOS apps that demand the best performance and native integration (e.g., health apps, camera tools, audio processing), we use Swift and SwiftUI — Apple’s modern language and declarative UI toolkit.
On Android, Kotlin (and occasionally Java) allows us to build apps with full access to Android APIs, from background processes to system-level integrations. Ideal for apps with offline support, Bluetooth, or native hardware access.
Flutter is a cross-platform framework by Google that compiles to native code and offers high performance and beautiful design out-of-the-box. We recommend Flutter for:
Your application’s backend is where the business logic lives: databases, APIs, authentication, and integrations. Here's what we use:
Node allows us to build fast, scalable, and efficient APIs — especially real-time apps like chats, live dashboards, or collaborative tools. Its ecosystem includes Express.js, Fastify, and many more frameworks we can tailor to your needs.
These backend-as-a-service platforms let us build faster by handling auth, database, storage, and real-time sync out of the box. Ideal for MVPs and projects with limited backend complexity, they allow for:
For enterprise-grade cloud infrastructure, we rely on Amazon Web Services. Whether it’s hosting static sites on S3, deploying APIs with Lambda, or using Amplify for serverless apps, AWS gives us the flexibility to scale globally while maintaining performance and uptime.
Technology isn’t just about code — it’s about how that code is written, tested, and deployed. Our workflows include:
We use Git with structured branching (feature/bugfix/release) and clear commit histories. This enables parallel development, easy rollback, and collaboration with client teams.
Continuous Integration / Continuous Delivery allows us to automatically test, build, and deploy apps with every update. It reduces manual errors, speeds up iteration, and ensures stable releases.
Every line of code goes through peer review and automated tests. We use Jest, Cypress, Vitest, and Playwright — depending on the stack — to ensure functional, UI, and integration quality.
We don’t start with the stack. We start with your goals. Here's what we evaluate:
Once we know your business context, we recommend the most efficient and stable technology — not the trendiest one. Our goal is not just to launch your product, but to ensure it lasts.
The tools we choose are not just technical choices — they’re strategic decisions that affect user experience, cost, maintainability, and scalability. As your development partner, we take this responsibility seriously. We stay on top of the technology landscape, continuously refine our stack, and adapt to your needs.
With the right stack and the right team, your app will not only work — it will thrive.