Reach users on iOS and Android with our cost-effective, scalable cross-platform mobile app development services. With faster time-to-market, lower development costs, and a smooth user experience, our approach ensures you get the most value from your investment.
A single codebase simplifies updates and improves long-term support.
We typically recommend Flutter for cross-platform app development, as it offers a great balance of performance and cost-efficiency. We also work with .NET MAUI, Unity, and other frameworks to match your project’s needs.

At Diversido, we specialise in cross-platform mobile app development services using Flutter, Unity, and .NET — helping clients build fast, scalable, and user-friendly mobile apps for iOS and Android.
Building scalable, intuitive cross-platform mobile apps for iOS and Android with Flutter, Unity, and other frameworks.
Integrating cross-platform apps with APIs, payment gateways, analytics platforms, Google Fit, Apple HealthKit, EHRs, and CRMs.
Developing custom SDKs for iOS, Android, and cross-platform apps using Flutter, Unity, and .NET MAUI.

Boosting user engagement with gamification features — from full-scale serious games to integrating gamified elements into existing mobile or cross-platform apps.

Implementing AI-driven features like custom GPTs, virtual assistants, and chatbots into cross-platform mobile apps.

Designing and developing interactive, high-performance cross-platform mobile games using Unity and modern frameworks.

Helping startups launch fast with MVP mobile app development, lean prototyping, and cross-platform architecture.
Migrating legacy mobile apps to modern cross-platform frameworks like Flutter and .NET MAUI for improved performance and maintainability.
We start with a structured elaboration phase to define goals, priorities and scope before any development begins. This step helps align the cross-platform mobile app development process with your business objectives and target audience.
We choose the best tech stack for your app — prioritising compatibility with iOS, Android, and web platforms. We often recommend Flutter for its cross-platform capabilities but may use other frameworks if better suited. We also define the architecture and prepare a C4 diagram.
Our design team creates a consistent, user-friendly interface with clean layouts and responsive elements. The goal: intuitive mobile app design that reflects your brand identity across all platforms.
We build your app using the selected technologies and ensure seamless integration with third-party APIs. Throughout the process, we prioritise performance, security, and scalability.
We test your app on a wide range of real devices and platforms to ensure full compatibility. Our Test Device Lab covers various OS versions, sizes, and manufacturers to catch bugs and polish the app before launch.
We launch your app on the App Store and Google Play, handling all compliance steps. After launch, we provide updates, monitor performance, and add new features as needed.
We develop cross-platform healthcare apps that meet HIPAA and GDPR compliance. Our solutions securely connect healthcare providers, patients, and wellness platforms with medical device integration, health data management, and third-party API support.

We build IoT apps for wearables, wireless devices, and industrial sensors that work seamlessly across platforms. Whether you need a custom SDK or full ecosystem integration, we ensure your IoT app is reliable, scalable, and compatible with various IoT protocols and data systems.

Our FinTech mobile apps prioritize security, speed, and compliance. We create scalable solutions that support secure transactions, user authentication, and regulatory compliance — helping your financial product grow with your business.
We build mobile apps for micromobility platforms like e-scooters and bike-sharing, ensuring smooth communication between IoT devices, backend systems, admin dashboards, and user apps. Our cross-platform solutions support real-time tracking, fleet control, and seamless user experiences.
We build cross-platform EdTech apps designed to deliver interactive and personalized learning experiences. Using AI-driven assessments, gamification, and mobile-first design, our educational solutions support remote learning, boost engagement, and work across all devices — mobile, tablet, and desktop.

From a part-time mobile app developer to a full-scale cross-platform development team — we scale based on your project needs and growth.
Work directly with our mobile development team through agile workflows, real-time updates, and zero hidden costs — just full visibility and collaboration.
With over 11 years of experience in full-cycle app development, our experts bring 5+ years average expertise in Flutter, .NET MAUI, React Native, and other top frameworks — all backed by a data-driven approach.
80+ successful projects in Digital Health, EdTech, IoT, and FinTech. We build secure, scalable, and compliant apps with seamless performance across iOS, Android, and web platforms.



Our preferred cross-platform mobile framework. Flutter enables fast, efficient development of high-performance apps with native-like experience on both iOS and Android. Ideal for startups and enterprises looking to reduce time-to-market and maintain a single codebase.
Best suited for migrating legacy Xamarin apps or building modern enterprise solutions on the Microsoft .NET ecosystem. .NET MAUI supports web, desktop, and mobile platforms — perfect for scalable and flexible app architecture.

We use Unity for building immersive, cross-platform mobile games, AR/VR applications, and 3D interactive experiences. Ideal for industries such as EdTech, healthcare gamification, and training simulations.
Explore real-world examples of mobile apps built with Flutter, .NET MAUI, and Unity. These case studies highlight our expertise in developing scalable, multi-platform solutions for various industries — from healthcare and fintech to education and mobility.

ClipMoney is a modern banking solution for businesses that need to manage cash without visiting a bank. It allows users to deposit funds at secure deposit boxes and track all activity through a centralised, easy-to-use digital system.

Eatiquette is a cross-platform mobile app that helps users make healthier food choices. It flags ingredients based on dietary preferences and simplifies nutrition labels for fast, informed shopping.
The cost of cross-platform mobile app development services depends on your app’s complexity, features, and platforms. A basic MVP may start from £15,000. Larger projects with custom integrations or advanced features will cost more. As a Flutter app development company in London, we offer tailored quotes based on your goals and tech stack.
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