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Custom Mobile App
Development Services

Good functionality and an aesthetic interface are the building blocks of a successful mobile application.

But do not rush to conclusions — to achieve perfection in these two areas, you need an experienced team. It's quite difficult to find a custom app development company that is willing to streamline your development process while offering flexible cooperation models and providing cost-effective solutions.

Geniusee is a team with bold expertise in business, technology, and user experience. We can handle the challenge and earn your trust as your custom mobile application development company.


What Our Clients Say About Us

Mobile Application Development
Services We Provide


Native IOS development

Swift and Objective-C are the technologies we use for native iPhone/iPad software development. We will assist you with the full process of iOS app development, starting from initial ideation to App Store submission.


Native Android development

Native apps are popular in the mobile industry since they can access specific operating systems’ built-in features and perform them fast and smoothly. We use Kotlin and Java to deliver amazing Android apps.


Hybrid mobile development

Many businesses take advantage of hybrid apps, as the same code is used for various mobile platforms, such as iPhone, Android, etc. In addition, hybrid development reduces development time and cost. We use the most innovative technologies to build these apps.

Why Work with Us?

We guide our clients through the planning of the development process and suggest appropriate work approaches based on their requirements. That way, you won't be overwhelmed with the complexities of custom mobile application development services and have a clear understanding of our cooperation beforehand.

We understand that every client and project is unique. That's why we offer flexible cooperation models to meet your needs. Whether you need a dedicated team or just some extra help to complement your in-house developers, we can work with you on a long-term or short-term basis.

Geniusee fosters a collaborative environment by providing regular progress reports and milestone updates during various stages of the project life cycle. Our clients can engage directly with the team of custom mobile app developers and voice their suggestions.

Time is money, especially in the fast-paced world of mobile apps. As a custom mobile app development company, we understand how important it is to deliver projects on schedule. We set realistic deadlines to ensure timely delivery of the end product.

Our Success Stories

The Flexible Cooperation Models We Offer

Our Expertise in Custom Mobile Application Development

Why Choose Geniusee for Custom Mobile App Development Services?

Geniusee has provided custom mobile app development services for more than six years. We offer solid expertise and a flexible work approach. We don't just supply our services — we build beneficial partnerships with our clients by being open, available, and transparent at each stage of communication.

Our certifications

Our team of senior professionals in custom mobile app development constantly expands its expertise as we stick to the results and aim to meet our clients' expectations.


Geography and numbers

Our offices are located in USA, Poland and Ukraine




Projects completed


Net Promoter Score


Mobile App Maintenance Options Our Custom App Development Company Offers


DevOps support services

We are always on the lookout for the perfect uptime for your system. Fifteen minutes of production time to provide emergency support will save customer satisfaction and reduce your IT-related costs.


Development support and maintenance

We'll provide daily monitoring of web and mobile performance and security scans, backup copies, and databases with further storage, tech support, and interactions and follow-ups with third-party services, suppliers, and vendors.


app design

Our specialists create the product, knowing exactly how it should work specifically for your audience. We get deep insights into your target audience using specialized analytics tools.

Trusted by Our Clients Worldwide


Our Mobile Application
Development Cycle

Technologies We Apply


Benefits Of Custom Mobile Application



A well-designed custom app with the right features can significantly improve efficiency and productivity. For example, an app may provide easy access to information, automate key tasks, or enable staff to respond quickly to customer requests on the go. The app is tailored to your unique workflows and systems.

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Enhanced customer

A custom mobile app is a great way to boost customer engagement. You can provide exclusive content and offers, enable push notifications, and make it easy for customers to contact you, shop, or access your services whenever and wherever they want. An engaging app that adds value will keep customers coming back.



With a custom app, you have the flexibility to modify and improve the app over time based on changing needs and advancements in technology. The app can easily scale as your business grows to provide an optimal experience for an increasing number of users. Generic apps typically lack this level of flexibility and scalability.

Frequently Asked Questions

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How long does it take to build an app?

The timeline depends on the complexity of your app. Essential apps can take 3 to 6 months, while more complex apps typically require 6 to 12 months of development. We work closely with you to determine key features and a realistic timeline. Try our Estimator or talk with our team to get an approximate timeline.

App development costs vary widely based on the complexity of the app. Basic apps start around $25,000 to $50,000. More advanced apps with custom features and backend development can cost $50,000 to $500,000 or more. The final cost will depend on the time required and the hourly rates of developers. Try our Estimator or talk with our team to get an approximate timeline.

Yes, we have the expertise and experience to help you complete your custom mobile app development project. Our dedicated team has worked with startups and enterprises alike to build successful iOS and Android apps from concept to launch.

You need to weigh your priorities for functionality, user experience, development time, and budget. Don't assume one approach is always better — for your custom mobile app, the right platform choice will depend on your specific needs and constraints. With an experienced development team, any of these options can lead to a successful result.

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Location Middletown

651 N Broad St, Suite 206,
Middletown, DE 19709, USA

Location Warsaw

Ul. Adama Branickiego 21/U3,
Warsaw 02-972, Poland

Location Kyiv

BC Y4, Yaroslavs'kyi Lane 4,
Kyiv 04071, Ukraine

Location Lviv

BC Technopark, Fedkovycha St
60a, Lviv 79000, Ukraine