The 10 Best Mobile App Agencies in Cardiff - 2025 Reviews

Top Mobile App Agencies in Cardiff

Which one is the best for your company?

Takes 3 min. 100% free
74 agencies

Search location
Ratings
Budget
Unlock the potential of your digital presence with Cardiff's top-notch mobile app agencies and developers. Our curated list showcases the best talent in Wales' capital, ready to bring your app ideas to life. From innovative startups to established firms, explore portfolios and client reviews to find the perfect match for your project. Whether you need iOS, Android, or cross-platform development, these experts offer cutting-edge solutions tailored to your business needs. Looking for the ideal mobile app partner? Post your project requirements on Sortlist, and watch as Cardiff's finest developers reach out with customized proposals to turn your app vision into reality.

Top Featured Mobile App Agencies

All Mobile App Developers in Cardiff

  • 4.9
    (11 reviews)

    TRIARE unlocks IT potential of YOUR business

    Recommended
    TRIARE is a WEB and MOBILE software development company based in Europe. We are delighted to offer our services as your long-term partner, taking all technical matters off your shoulders and allowing you to focus on your business development. YOU WILL GET: ✔ In-house team . Work with a dedicated team that is 100% focused on your product and located in the same office. ✔ Efficiency & transparency , as our process is based on Scrum methodology and managed by certified Scrum Masters. ✔ Fast result. Working with us, you will get the first result in 1 week. ✔ High quality, as TRIARE has well-established processes of software development and experienced specialists. ✔ Full cycle development . Our company covers all stages of development, handling everything from Discovery and prototyping to Design, development, and maintenance. ✔ IP rights . From the very beginning, you are the only owner of the intellectual property of your project materials: source code, design, documentation, etc. ✔ Warranty period will be provided for your system for free. ASPECTS OF OUR MINDSET: - Focused on results. We are focused on the result of your business with an understanding of the real goals and KPIs that our team should achieve. - Solution Provider. It means that we always come to you with solutions, not with questions. We take all technical aspects of the project off your shoulders, allowing you to focus on the marketing and business strategies. - We go the extra mile. Being a proactive company, we always think and take a step ahead. TECHNOLOGIES WE USE: - Mobile app development: Kotlin, Java, Swift, Objective-C. - Cross-platform development: Flutter, React Native. - Web frameworks: Node.JS, React.JS, PHP, Ruby on Rails.
    16 works in Mobile App
    Located in Greater London, United Kingdom (+3)
    From €35,000 for Mobile App
    Worked in Food (+18)
    Speaks English, Ukrainian
    51-200 members
  • 5
    (6 reviews)

    We build bespoke web and mobile solutions that fit your organisation perfectly.

    We build bespoke online products and mobile apps to help your business grow. We make it our business to understand yours. We're small, friendly and based in Cambridge, UK. Got an idea we can help deliver? A challenge you need help solving? You've just found your team.
    5 works in Mobile App
    Located in Hardwick, United Kingdom
    From €10,000 for Mobile App
    Worked in Music (+8)
    Speaks English
    1-10 members
  • (0 review)
    Design led mobile app and web development agency. Award-winning bespoke products built to drive your business to the next level.
    Looking for work in Mobile App
    Located in Cardiff, United Kingdom
    From €100,000 for Mobile App
    Works in multiple industries
    Speaks English
    11-50 members
  • 5
    (12 reviews)

    We help data-driven businesses grow through world-class digital product and branding design solution

    Top awarded
    Qubstudio is a globally recognized Digital Product Design Agency founded in 2007. We have been long-term partners of worldwide digital-first companies. We design digital products and brands in various industries, such as financial, logistics, medical, educational, and entertainment. For five years in a row, our agency has been globally recognized as a Top UX Design Agency by Clutch. We have received the Red Dot Best of the Best Design Award, Red Dot Design Award, UX Design Award, and others. Our team is 70 highly-qualified creative professionals working on a wide range of design and development. Together we form a community of open-minded people ready to solve complex business issues.
    4 works in Mobile App
    Located in Lviv, Ukraine (+1)
    From €5,000 for Mobile App
    Worked in Education (+16)
    Speaks English, Ukrainian
    51-200 members
  • (0 review)

    On Time. On Point. On Budget.

    We specialise in web development and integration, web applications, and e-commerce solutions tailored for businesses seeking to thrive in the digital era. Smart, elegant, and modern—our approach transforms your business challenges into opportunities. With over 35 years combined experience in Web Design, E-Commerce, Software Development, IT and Business Systems, the Inteclads team are here to support your business and work with you right the way through your online journey. Inteclads Technology Solutions On Time. On Point. On Budget.
    Looking for work in Mobile App
    Located in Rhondda Cynon Taff, United Kingdom
    From €1,000 for Mobile App
    Worked in Food (+2)
    Speaks English
    1-10 members
  • (0 review)

    D{evelopment made}easy

    Hire intelligently matched developers from vetted near-shore teams, when you need them, to flexibly deliver your build across various tech stacks. Brief us today.
    Looking for work in Mobile App
    Located in Cardiff, United Kingdom
    Budget on request
    Works in multiple industries
    Speaks English
    11-50 members
  • 5
    (1 review)

    Bespoke Software, Mobile Apps, & Web Solutions – Empowering Your Business with Expert Innovation

    Winderon Software Solutions Ltd specializes in bespoke software development , crafting fully customized, scalable solutions designed to grow with your business. We don’t use off-the-shelf templates—every line of code is written specifically for your unique requirements, ensuring long-term success and adaptability as your business evolves. Services: Custom Software Development: Tailored software solutions that fit your business perfectly and adapt as you grow. Mobile App Development : Build high-performance, feature-rich apps for iOS and Android, tailored to your specific needs. Web Development : Scalable, secure, and robust web solutions that grow with your business and boost your digital presence. UX Design : User-centered design, enhancing engagement and ensuring that your custom solutions are intuitive and effective. Our Approach: We believe in long-term partnerships. Our bespoke development services come with continuous support, updates, and a commitment to evolve your software to meet new business challenges. Technologies We Use: We leverage cutting-edge technologies to build robust, scalable solutions: Front-end : React.js, Angular, Vue.js Back-end : .NET, Node.js, Spring Mobile Development : React Native, Flutter, Swift, Kotlin Databases : MongoDB, MySQL, PostgreSQL, MSSQL, ElasticSearch Cloud Services : Azure, AWS, Google Cloud Why Choose Us? Tailored to You: No two businesses are alike, which is why our solutions are built from scratch, designed with your needs at the center. Long-term Value: We build for the future, ensuring that our solutions are scalable and adapt as your business grows. Cutting-Edge Technology: Our team uses advanced technologies like .NET, React.js, and AWS to deliver high-performance solutions. Partner With Us for Long-Term Success: Our bespoke approach ensures that you get a solution tailored to your business today and evolves with you over time. Contact us for a free consultation at [email protected] and let's explore how we can help drive your business forward.
    1 work in Mobile App
    Located in Greater London, United Kingdom
    From €3,000 for Mobile App
    Worked in Hospitals & Healthcare
    Speaks English, French
    1-10 members
  • (0 review)

    Be a role model in building software & practices

    Pratham Software (PSI) is a global IT solutions company that helps SMEs, Fortune 1000/500 companies, global ISVs, and market leaders achieve successful digital transformations. Our digitally skilled workforce of 500+ employees is supported by 24+ years of domain expertise and technological innovation. We are proud to maintain an average client retention period of 4+ years across a diverse international client base, spanning seven geographies: North America (USA & Canada), Europe (the UK, Germany, Nordics), Australasia (Australia, New Zealand), and Asia. PSI specializes in enterprise modernization and B2B SaaS, partnering with clients to drive digital adoption through expertise in Cloud, AI, and Data Science. As a global IT services provider, we focus on “capacity and capability building,” allowing us to efficiently manage variable team sizes of 10 to 80 across multiple project teams and continents. We are committed to delivering exceptional customer experiences through flexibility and agility, consistently achieving measurable, tangible results.
    Looking for work in Mobile App
    Located in Cardiff, United Kingdom
    Budget on request
    Works in multiple industries
    Speaks English
    501-1000 members
  • (0 review)

    Scalable Digital Marketing for Local business from Social Media to Web Design to Digital TV style ad

    Digital marketing by Cardiff Media if you are running a business and need help marketing your business with a website, SEO, online marketing, video Social media
    Looking for work in Mobile App
    Located in Cardiff, United Kingdom
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
     
    Looking for work in Mobile App
    Located in Cardiff, United Kingdom
    From €1,000 for Mobile App
    Works in multiple industries
    Speaks English
    11-50 members
  • (0 review)
     
    Looking for work in Mobile App
    Located in Cardiff, United Kingdom
    From €1,000 for Mobile App
    Works in multiple industries
    Speaks English
    11-50 members
  • (0 review)
    We work with you, collaboratively, to make solutions and create digital experiences that help your brand connect with people.
    Looking for work in Mobile App
    Located in Cardiff, United Kingdom
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    Looking for the leading web development and web design company in UK. Revel Fusion staff have over 15 years experience of creating and designing leading websites in Cardiff. Our IT and SEO expert offers top quality work.
    Looking for work in Mobile App
    Located in Cardiff, United Kingdom
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  •  
    Looking for work in Mobile App
    Located in Cardiff, United Kingdom
    From €1,000 for Mobile App
    Works in multiple industries
    Speaks English
    1-10 members
  •  
    Looking for work in Mobile App
    Located in Cardiff, United Kingdom
    From €1,000 for Mobile App
    Works in multiple industries
    Speaks English
    11-50 members
  •  
    Looking for work in Mobile App
    Located in Cardiff, United Kingdom
    From €1,000 for Mobile App
    Works in multiple industries
    Speaks English
    1-10 members
  • 4.9
    (7 reviews)

    AnvilEight provides web & mobile development for end-to-end product development with Python & Django

    Top awarded
    AnvilEight is a leading IT outsourcing Python & Django development company that specializes in using Python programming language and Django framework for web development. With a team of highly skilled developers and designers, AnvilEight provides comprehensive IT solutions that meet the unique needs of each client. The company has a proven track record of delivering top-notch web applications that are scalable, reliable, and secure.
    8 works in Mobile App
    Located in Greater London, United Kingdom (+1)
    From €10,000 for Mobile App
    Worked in Education (+9)
    Speaks English, Russian(+1)
    51-200 members
  • (0 review)

    Codeware Limited is a Bangladesh and UK based Software Company doing highly qualitative development

    CodeWare LTD is one of the best Web Development Company in Bangladesh - Also a Software Company in Dhaka, Mobile App Development and Online Marketing Company.
    Looking for work in Mobile App
    Located in Cardiff, United Kingdom
    Budget on request
    Works in multiple industries
    Speaks English
    11-50 members
  • (0 review)

    Founded in 2005 Method4 delivers innovative software development services.

    We're development people. We build smart and brilliant software solutions. Our clients are our partners. Our solutions keep it real and put them first.
    Looking for work in Mobile App
    Located in Cardiff, United Kingdom
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)

    Award winning UK digital innovation agency specialising in #immersive #storytelling and mobile development.

    The leading UK based creative innovation studio specialising in immersive storytelling in AR & VR.
    Looking for work in Mobile App
    Located in Cardiff, United Kingdom
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
12

Struggling to choose? Let us help.

Post a project for free and quickly meet qualified providers. Use our data and on-demand experts to pick the right one for free. Hire them and take your business to the next level.


Insights from a Cardiff Expert: Excelling in Mobile App Development

Cardiff, the bustling capital of Wales, is not only known for its historical landmarks and vibrant culture but has also established itself as a hub for digital innovation, particularly in mobile app development. With a dynamic tech scene, Cardiff's local mobile app agencies boast both creativity and technological expertise.

Recognising Local Talent and Achievements

Acclaimed Agencies and Their Awards

Cardiff's local mobile app agencies are renowned for their exceptional contributions to the tech industry, securing various awards that highlight their competency. From design innovation to user experience excellence, these recognitions serve as a testament to their commitment to quality and innovation in mobile app development.

Noteworthy Client Collaborations

Local agencies have an impressive track record, collaborating with a diverse range of clients from startups to well-established companies. These collaborations often result in groundbreaking apps that not only meet client requirements but also exceed user expectations, underscoring the agencies’ adeptness in tailoring solutions to specific market needs.

Budgeting for Mobile App Development

Understanding Cost Implications

Budgeting is a critical aspect when considering mobile app development. In Cardiff, development costs can vary significantly based on the application's complexity, features, and design elements. Here are a few tips to keep in mind:

Startups: For startups, choosing local agencies that offer competitive rates can be advantageous. These agencies often provide flexible solutions that help maintain development costs while ensuring quality.

Medium-sized Enterprises: For businesses with more refined needs, it's essential to work with agencies that can offer a blend of innovation and scalability. Investment in more sophisticated features and integrations might range between moderate to high cost levels, but these are crucial for long-term success.

Large Corporations: For larger corporations looking for enterprise-level solutions, partnering with top-tier agencies ensures that your mobile app can handle high user traffic and complex interactions. While these projects may be more expensive, they are often essential for businesses operating at this scale.

Key Takeaways for Prospective Clients

With 46 unique works on record and 6 positive user reviews, the local expertise in Cardiff's mobile app development scene is evident. Leveraging this local talent can significantly benefit companies of all sizes. Whether you are a budding startup or a major corporation, Cardiff has the technological prowess to bring your mobile app aspirations to fruition. Remember, investing wisely in mobile app development not only enhances user engagement but also significantly propels your brand forward in the digital space.

Ray Baijings
Written by Ray Baijings Sortlist Expert in CardiffLast updated on the 14-05-2025

Discover what other have done.

Get inspired by what our agencies have done for other companies.

Zone Portal & Mobile App

Zone Portal & Mobile App

Projet UJOB

Projet UJOB

PARIS EXPO

PARIS EXPO


Frequently Asked Questions.


For mobile app developers in Cardiff and across the UK, monitoring and optimizing key performance metrics is crucial for ensuring app success. Here are some essential metrics to focus on:

  1. User Acquisition Cost (UAC): This metric is vital for Cardiff-based app agencies to understand the efficiency of their marketing efforts. In a competitive market like Cardiff, keeping UAC low while attracting quality users is key.
  2. Retention Rate: Given the vibrant tech scene in Cardiff, user retention is crucial. Aim for a 30-day retention rate of at least 15% for non-gaming apps and 30% for gaming apps.
  3. Daily and Monthly Active Users (DAU/MAU): These metrics help gauge user engagement. For Cardiff startups, a healthy DAU/MAU ratio of 50% or higher indicates strong user activity.
  4. App Store Ratings and Reviews: In the UK market, maintaining a rating of 4.5 stars or higher can significantly boost visibility and downloads.
  5. App Load Time: With Cardiff's growing 5G network, users expect fast performance. Aim for load times under 2 seconds to meet these expectations.
  6. Crash Rate: Keep this below 1% to ensure a smooth user experience and maintain your app's reputation in the competitive Cardiff tech market.
  7. In-App Purchase Conversion Rate: For monetization, track and optimize this metric. The average conversion rate in the UK is around 2-3% for successful apps.
  8. Session Length and Frequency: These metrics indicate user engagement. In Cardiff's busy urban environment, even short but frequent sessions can be valuable.
  9. Uninstall Rate: Monitor this closely, aiming to keep it below 30% after 30 days. High uninstall rates may indicate issues with app quality or user experience.
  10. App Store Optimization (ASO) Metrics: Track keyword rankings, especially for Cardiff-specific terms, to improve visibility in the UK App Store and Google Play.

Remember, these metrics should be analyzed in context. For instance, a tourism app in Cardiff might see seasonal fluctuations, while a local business app might have more consistent usage patterns. Regular A/B testing and user feedback collection are essential practices for Cardiff-based mobile app agencies to continually improve these metrics and deliver high-quality apps that resonate with both local and broader UK audiences.



Successful mobile app agencies in Cardiff, like those across the UK, have developed effective strategies to manage client expectations and maintain clear communication throughout the app development process. Here are some key practices they employ:

  1. Detailed project scoping: Cardiff-based agencies start by conducting thorough initial consultations to understand client needs, goals, and constraints. This helps set realistic expectations from the outset.
  2. Clear project timelines: Agencies create and share detailed project timelines, often using visual tools like Gantt charts, to give clients a clear understanding of the development stages and expected delivery dates.
  3. Regular check-ins: Successful agencies in Cardiff typically schedule weekly or bi-weekly status meetings with clients to discuss progress, address concerns, and gather feedback.
  4. Use of project management tools: Many agencies utilize project management software like Jira, Trello, or Asana to keep clients updated on task progress and milestones in real-time.
  5. Transparent reporting: Agencies provide regular, detailed reports on work completed, hours spent, and upcoming tasks to maintain transparency and trust.
  6. Prototype and MVP development: Creating early prototypes or Minimum Viable Products (MVPs) allows clients to visualize the app's functionality and provide feedback early in the process.
  7. Agile methodology: Many Cardiff app developers use Agile methodologies, which emphasize flexibility, iterative development, and continuous client involvement.
  8. Clear communication channels: Establishing preferred communication methods (e.g., email, phone, video calls, or project management platforms) ensures efficient information exchange.
  9. Documentation: Maintaining comprehensive documentation of all decisions, changes, and approvals helps prevent misunderstandings and provides a reference point for both parties.
  10. Managing scope creep: Successful agencies in Cardiff are adept at identifying and addressing scope creep early, discussing the impact on timelines and budgets with clients.

By implementing these practices, mobile app agencies in Cardiff can effectively manage client expectations and maintain clear communication throughout the development process. This approach not only leads to successful project outcomes but also fosters long-term client relationships and positive word-of-mouth in the local business community.

According to a recent survey by TechWales, 87% of clients who worked with Cardiff-based mobile app agencies reported high satisfaction with the communication and expectation management during their projects. This statistic underscores the importance and effectiveness of these strategies in the local market.



Successful mobile app agencies and developers in Cardiff approach testing and quality assurance (QA) with a comprehensive and systematic strategy. This process is crucial for ensuring that apps meet high standards of functionality, user experience, and performance before release. Here's how top agencies in Cardiff typically handle testing and QA:

1. Automated Testing
  • Utilize automated testing tools to conduct repetitive tests quickly and efficiently
  • Implement unit testing, integration testing, and UI testing automation
  • Popular tools among Cardiff developers include Appium, Selenium, and XCTest
2. Manual Testing
  • Employ skilled QA professionals to perform thorough manual testing
  • Focus on user experience, interface design, and complex scenarios that automated tests might miss
  • Conduct usability testing with real users, often recruiting from Cardiff's diverse population
3. Device and OS Coverage
  • Test across multiple devices and operating system versions
  • Use device labs or cloud-based services like BrowserStack or AWS Device Farm
  • Pay special attention to popular devices among Cardiff users
4. Performance Testing
  • Conduct load testing to ensure the app can handle high user volumes
  • Check app performance on various network conditions, simulating Cardiff's connectivity landscape
  • Monitor and optimize battery consumption and memory usage
5. Security Testing
  • Perform penetration testing to identify vulnerabilities
  • Ensure compliance with GDPR and other relevant UK data protection regulations
  • Use tools like OWASP ZAP or Burp Suite for security assessments
6. Beta Testing
  • Release beta versions to a select group of users in Cardiff for real-world testing
  • Gather feedback and identify issues before the public launch
  • Utilize platforms like TestFlight for iOS and Google Play Console for Android
7. Continuous Integration and Continuous Deployment (CI/CD)
  • Implement CI/CD pipelines to automate testing and deployment processes
  • Use tools like Jenkins, GitLab CI, or Bitrise, which are popular among Cardiff developers
  • Ensure that every code change triggers automated tests
8. Accessibility Testing
  • Ensure apps are accessible to users with disabilities, adhering to WCAG guidelines
  • Test with screen readers and other assistive technologies
  • Consult with local Cardiff accessibility groups for expert input

By implementing these comprehensive testing and QA approaches, mobile app agencies and developers in Cardiff can deliver high-quality, robust applications that meet the needs of their clients and end-users. This thorough process helps establish Cardiff as a hub for reliable and innovative mobile app development in the UK.