Cross-Platform Mobile App Development Company

Leverage our cross-platform app development services to maximize your reach with an adaptable and powerful cross-platform mobile application. Build custom mobile apps that look and feel truly native and reduce your time to market and costs.

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Cross-Platform Mobile App Development Company

We have a proven track record of building powerful cross-platform mobile solutions with a single codebase that function seamlessly across platforms and look and feel like native apps.

Our expert cross-platform app developers are well-versed in maintaining cross-compliance of apps across devices and operating systems.

Our cross-platform app development services not only guarantee quicker development and delivery of solutions that solve unique business challenges, but we think long-term for your business and build solutions that are easier to enhance and scale up over time. With quicker time to market and multi-platform reach, our custom cross-platform app development services are specially aimed at helping our clients get ahead of the competition.

Using time-tested cross-platform development technologies such as React Native, Ionic, and PhoneGap, we help businesses bring their application ideas to life and widen their reach while minimizing the development time and costs.

Cross-Platform Mobile App Development Company

From industry-best resources to flexible engagement terms, we offer top-notch cross-platform app development services. Here are just some of the ways that we stand out as a cross-platform mobile app development company.

  • On-Time & On-Budget – Our agile cross-platform development methodology has been perfected over time to ensure your custom solutions are delivered on time and within the confines of your clear-cut budget.
  • Proven Track Record – With our expansive software development experience of 16+ years, we have successfully delivered many award-winning cross-platform mobile solutions.
  • Tailored for Your Business – Our ability to cater to each client’s unique needs makes us a cross-platform mobile app development company trusted by startups, SMEs, and large enterprises alike.
  • Expert Software Developers – We have an in-house team of highly-skilled cross-platform app developers, front-end specialists, business analysts, and UI/UX designers.
  • 24x7 Support and Maintenance – Our job is not done until you say it is done! Our support team is here to make sure that your cross-platform solutions perform seamlessly across different devices and operating systems at all times.
  • Client-Focused Approach – With our transparent, collaborative, and open process, you can be involved in the project every step of the way and develop a final product that meets all your requirements.
  • IP Protection – The Intellectual Property rights for your cross-platform mobile application will belong solely to you from the get-go.


years on the market


Global Locations


Client reviews on Clutch

What We Offer

Going cross-platform allows you to target a wider userbase through a mobile app that’s built with a single and shared codebase for different platforms. For businesses, it means developing a single app that functions for both iOS and Android operating systems and devices.

As a leading cross-platform development company, our expertise lies in developing full-fledged cross-platform mobile solutions with robust and scalable backends, and front-end development that guarantees a smooth, lightweight, and highly-interactive user experience across different platforms. Leave it to our developers to write single-code mobile solutions that guarantee seamless cross-platform performance a truly native user experience.

With our industry-wide cross-platform app development expertise and our broad pool of experienced developers, you can handpick the best talent for your development team. Our hiring model allows you the flexibility to hire cross-platform developers to add to your existing development team or build a new dedicated development team with cross-platform developers, architects, designers, and managers who can complement your project with fresh, innovative perspectives. We offer personalized services that cater to the unique business needs and budgets of our clients.

Cross-Platform Solutions

App Design

Application Migration

Consultation and

Award-winning Cross-Platform App Development Services

We are a leading cross-platform mobile app development company in the UK with 16+ years of industry experience. Tell us about your cross-platform application for precise cost estimates and kickstart your project in two weeks.

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Our Expertise

Programming Language(s)

  • TypeScript
  • JavaScript
  • C#


  • React Native
  • Xamarin
  • Ionic
  • Flutter
  • PhoneGap


  • MongoDB
  • MySQL
  • PostgreSQL
  • DynamoDB
  • Firebase

Engagement Models

We offer highly flexible, proven engagement models to cater to different client requirements, budgets, goals, and deadlines. Whether you need to hire a cross-platform mobile app developer to augment your current team, require a dedicated development team to take over your existing project, or are looking for a complete end-to-end or cross-platform mobile development solution to be delivered, we can meet your needs.
No matter what the size of your business, GoodCore will cater to your express development needs. We will work with you according to your project requirements, budget, and choice of collaboration option.

We offer three cooperation models to our clients.

Industries We Serve

We have expansive real-life experience in delivering industry-specific cross-platform solutions. Our best-in-class cross-platform developers will cater to you with exceptional cross-platform mobile solutions irrespective of what industry you belong to.




Music & Entertainment


Finance & Fintech



Success Stories

Corporate News Application

A cross-platform mobile app built using PhoneGap

We developed a user-friendly cross-platform mobile application with an impressive user interface and functionalities to help the employees of our client organisation stay abreast of the latest news and developments within the company.

  • PhoneGap
  • SQLite
See Full Case Study



Hasnul Hasan


They led a software development project for our complex domain name registration platform. The best possible architecture design made them a valuable partner.


Viki Smith

General Manager, Printed Music Licensing Limited

The project management is brilliant. The team works in an incredibly efficient way, and their level of engagement is great.


Brendan Blumer


I’ve spent the last decade building enterprise software for Real Estate organizations, and I’ve found GoodCore to be the most reliable when augmenting my team with outside resources.

Frequently Asked Questions

There are three options which you can choose from:
  • Fixed-price fixed-scope model: If you have well-defined requirements and a pre-decided timeline for your project in mind, a fixed-cost model would work best for you.
  • Time-and-materials model: If you are unable to decide on a fixed scope, timeframe, or cost for your project, you can go for this model. Your project can be divided into smaller phases over time, incurring controlled costs.
  • Dedicated team model: Do you feel that your project requirements may change over time? Do you plan to hire specialists for multiple projects over time but have some budget constraints? You can choose to have our dedicated team of experts assigned to you.
Under our dedicated development team model, you can choose the number of team members you wish to add to your in-house team. You can keep this engagement going for as long as you need. You will be billed according to hourly rates, making this quite a budget-friendly option for your business.
The costs of cross-platform app development can vary from project to project based on various factors, such as the scope, requirements, technical complexity, and timelines. The cost of your cross-platform application will be determined after a thorough discussion with you. We will make sure to understand your requirements and assess the scope of your project before providing estimates.
An important step to getting started with your project is communicating your requirements to us. After you contact us, we conduct an initial discussion to understand your requirements. This helps in quickly determining the indicative project scope and costs. Any significant project risks are also identified.

Get in touch with us

we do next

  • Our team contacts you within one business day
  • We engage an initial discussion to understand your requirements
  • Our team of analysts and developers assess the scope and propose a way forward with mutual consultation
  • All information exchange is protected via a mutual NDA
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