Migration to Flutter Guide
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Flutter Add to App

Flutter Add-to-App: Overview, Challenges, and Lessons From Real-Life Cases

Flutter has taken the mobile market by storm. A complete rewrite is not always practical. Existing users still expect new releases, business teams still need new features, and a large native application cannot simply disappear while its replacement is being developed. This is where Flutter Add-to-App comes in. Read about the current state of Add-to-App and the recommended migration strategy.

Marcin Chudy
12 Flutter & Dart Code Hacks
by LeanCode

24 Flutter & Dart Code Hacks & Best Practices – How to Write Better Code?

In this article, we’re sharing LeanCode’s 24 practical Flutter and Dart patterns that help you write less boilerplate, make your code cleaner, and catch mistakes earlier. Apply these patterns and you'll find yourself coding faster, communicating more clearly with your teammates, and spending less time debugging issues that the compiler could have caught.

Agnieszka Forajter
Two-Factor Authentication Best Practices

Two-Factor Authentication (2FA): Strengthen Your App Security

Could your users' accounts be protected with just one extra step? Learn why two-factor authentication (2FA) has become a security standard, compare different authentication methods, and find out how to add robust account protection without slowing down development.

Filip Skórnicki
Development Tools & Frameworks for Regulated Industries

Choosing Development Tools & Frameworks for Regulated Industries

Great technology doesn't guarantee approval. In regulated industries, a framework must do more than deliver performance - it also needs to satisfy security, compliance, and procurement requirements. This article explains what organizations should evaluate before adopting a new development tool or framework.

Katarzyna Szulc
Passkeys Explained

Passkeys Explained: How Passwordless Authentication Works

Passwords have protected online accounts for decades, but they're also one of the weakest links in modern cybersecurity. Passkeys are on the other side - they offer a different approach. Instead of relying on passwords, they use public-key cryptography and your device's built-in authentication methods. Read more.

Filip Skórnicki
Authentication & Registration Best Practices by LeanCode (Cover)

Authentication & Registration Best Practices: From Sign-Up to Account Recovery

A great product can still fail at the login screen. In this article, we'll walk through the entire authentication journey - from registration and sign-in to account recovery and security best practices - so you can create an experience users trust and enjoy.

Filip Skórnicki
Patrol in 2026

Everything You Need to Know About Patrol in 2026

Patrol has evolved far beyond being just a Flutter testing tool. From Android, iOS, and Web support to integrating with cloud device farms, native automation, and AI-powered testing, see how it’s redefining Flutter E2E testing, no matter if you’ve been following Patrol for a while or you’re new to it.

Katarzyna Szulc
3 app migration strategies

Proven App Migration Strategies: 3 Best Ways to Move to Flutter

Explore proven app migration strategies to Flutter and learn how to choose the right approach for your product. From minimizing risk to maximizing efficiency, this guide breaks down key paths, trade-offs, and decisions behind a successful transition.

Wojciech Zielonka
Best fintech apps built with Flutter

Top 18 Financial Apps Built with Flutter

Flutter has become a go-to choice for building modern fintech apps, but what does that look like in practice? We explore 18 standout products built with Flutter and break down what makes them successful, from UX to performance and scalability.

Wojciech Zielonka
Design system Flutter

Building a Design System in a Large Flutter App

Flutter is known for its seamless UI/UX features and robust design elements. It allowed us to deliver a unique customer experience in the “CA24 Mobile” banking app. This article shares some of the learnings and pain points behind implementing it in this large project.

Albert Wolszon
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