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Full-cycle mobile app development for every type of business

Get the highest quality solutions no matter how big or small your company is. Let us help you unlock the full potential of mobile technology for your business.



Convert your vision into a sustainable business. Our discovery phase helps to find solutions that fit within the industry and target audience. We find solutions for the shortest time to market while maintaining quality.


Small & medium businesses

Enhance customers’ experience and stay ahead of the competition. Our team will develop a mobile app that aligns with your brand identity, engages users, inspires loyalty, and drives conversions.



Transform your operations and enhance business productivity. We will work closely with your company to understand your unique requirements and develop a customized mobile app that streamlines operations securely and efficiently.

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Start Building Your App

We possess wide-ranging technical expertise. From rapid app development and delivery to adding advanced features, auditing, and consulting on your tech strategy. Ready to start?

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Our Mobile App services


iPhone App Development

We specialize in creating high-quality and user-friendly iPhone applications tailored to your unique requirements, helping you reach and engage your target audience.


Android App Development

Our team of experts excels in building robust and feature-rich Android applications that are compatible with a wide range of devices, ensuring high user satisfaction.


Cross-platform App Development

With our cross-platform app development expertise, we can create mobile applications that work seamlessly across multiple platforms, saving you time and cost while reaching a larger audience.


UI/UX Mobile App Design

We offer top-notch UI/UX mobile app design services that prioritize user experience, ensuring your app stands out with visually appealing interfaces and intuitive interactions.


AI-enabled Mobile App Development

Harnessing the power of artificial intelligence, we develop intelligent mobile applications that can automate tasks, provide personalized experiences, and deliver enhanced value to your users.


Mobile App Prototyping & MVP

Our prototyping and Minimum Viable Product (MVP) development services enable you to quickly validate your app idea, minimize risks, and gather valuable user feedback before full-scale development.


Third-party Integrations

We seamlessly integrate third-party services and APIs into your mobile app, enhancing its functionality and providing access to a wide range of features and services.


Mobile App Audit & Consulting

Our mobile app audit and consulting services help identify areas for improvement, optimize performance, and ensure your app aligns with industry best practices and user expectations.


QA & app Testing

We conduct comprehensive quality assurance and app testing to ensure your mobile application is free from bugs, performs reliably, and delivers a seamless user experience on all devices.


Mobile App Modernization

We specialize in modernizing and upgrading existing mobile applications, revitalizing their performance, user experience, and feature set to meet the evolving demands of your users and the market.

Key Benefits

Reasons to choose Design Key 

for mobile app development

Tailored Solutions, Personal Approach

We know that every app is unique. Therefore, we take the time to study your business idea, target audience, and industry. This allows our managers and architects to create a customized development strategy and build software that aligns with your business goals.

Seamless User Experience

Our UI/UX designers work closely with the development and QA teams to create intuitive, visually stunning interfaces that are implemented into clean and efficient work. Our approach ensures that users will seamlessly navigate your app and accomplish their goals.

Streamlined Development

We apply Agile methodology and work in sprints to make our work productive and easy to track. It helps us build top-notch apps on budget and within the set timeline. Plus, it allows us to adapt quickly to any changes in the project needs.

Transparent Communication

Dedicated managers always keep our clients informed about the project status, every tech decision, and its results. Our business analysts create comprehensive documentation to help our clients navigate the tech parts of their applications.

Fast and Strategic Market Entry

We can help you refine your mobile app idea through the discovery phase and build a minimum viable product (MVP). This cost-effective approach allows startup founders to validate the idea and enter the market wisely.

Ongoing Support and Maintenance

Even after launching the mobile app, we aim to keep it current, safe, and working well on various devices and systems. We have a process for the post-launch phase that enables us to deliver timely hotfixes and ongoing app support.

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Our mobile app development process:


The process begins with discovery workshops to analyze the market and competitors. We work closely with the client to gather all the necessary information about the app's requirements and objectives.


Once we have a clear understanding of the product requirements, we can proceed to design the mobile app system. We create user-friendly designs and wireframes with user flows.


The next step is to develop a functional prototype that represents the app's features. It can be a demo version of your app that you will show to investors, stakeholders, and initial users.


After the prototype is approved, our development team selects the technical stack and starts coding the app. We implement all design decisions and ensure the application is quick, secure, performant, and meets requirements.

Release & Support

After thorough testing, we release the app on the designated platforms. Additionally, we provide ongoing support and maintenance to address any issues or updates.


We continually strive to stay at the forefront of mobile technology, exploring new trends and incorporating innovative features into our app development process.


Success of our clients

Explore our recent mobile development projects.


end-to-end projects delivered

Mobile application development

Industry: Construction Services

The mobile app for iOS and Android connects with the web app. Users can create and send reports, upload pictures, and get alerts. The offline mode is available.

Mobile app development team

Industry: Online Education

E-learning mobile application for language teachers and students with the functionality of interactive books, quests, and games to study the languages.

Hire mobile app development team

Industry: Professional Services

This software suite includes web and mobile applications that connect service providers with potential clients. Key features include creating profiles, searching for services, managing appointments, and in-app payments.


Mobile application design

Industry: Financial Operations in Healthcare

A mobile app that simplifies financing for dental procedures by streamlining the credit application process, offering access to funding sources, and generating pre-qualified decisions for finance applications.

  • Sure, our product and dev team will help you verify and develop your concept and then turn it into a mobile application. We have experience working with startups, and we suggest starting with the discovery phase, prototyping, and MVP.

  • We use NDAs and MSAs to protect the client's intellectual property. As a software engineering and consulting company, we operate on a work-for-hire basis, and our clients retain full legal ownership of all IP.

  • Our account manager will assist you at each stage. We communicate closely with every client, answering daily queries, providing weekly updates, and demo meetings. When it is time to launch, we can meet every day. Plus, we use project management tools to track requirements and progress. This allows everyone to communicate freely by commenting on specific tasks.

  • The time it takes to create a mobile app depends on the app's complexity, the platform used, and the features required. A simple app typically takes around 2-4 months to develop, while an application of average complexity may require 4-6 months. Developing a complex app can take 9 months or more.

  • The cost of mobile app development depends on the size of the team and the scope of work. It also depends on whether we build some parts from scratch or use existing solutions. We would be glad to hear about your project and give you an estimate. Please feel free to set up an intro call using a form on this page.


See what clients say about our work

Ryan Wynch

Program Lead

Design Key did an excellent job by turning a concept into a working MVP that I could provide to my users. They know how to make the development process look easy, highlight underground stones, and suggest features and enhancements. Though I had a complex product, it was delivered on time and to spec. Highly recommended.

Lori Barao

Manager of Operations at MMI Direct

Design Key has worked on several development projects for me over the past two years. They are excellent experts with exceptional client service and communication skills. They are able to dig through complex project requirements and produce an end product that exceeds expectations.

Henry Biggs


Design Key is spectacular, and they do consistently exceptional work. There hasn't been anything they've told me they can't do… And I've asked for a lot over the years! I could not recommend them more highly.

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Mobile App Development Services

Whether you have a concept for a mobile app startup or aim to boost experience of your current customers, we can help. Let's build an engaging, inspiring mobile app that stays in memory of your clients!

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Hire a mobile app development team you can trust

Get a free quote

Let us know your requirements and project needs. We'll get back to you within 3 business days. If you'd rather chat directly with our Product Lead, feel free to Book a call.

How did you hear about us?
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