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Mobile
App
Development
Services

Targets we’ve achieved:

Increased US Software Development Company's annually acquired clients by 400% *

Generated 50+ business opportunities for UK Architecture & Design Services Provider *

Reached out to 13,000 target prospects and generated 400 opportunities for Swiss Sports Tech Provider *

Boosted conversion rate of Ukrainian IT Company by 53.6% *

Reduced cost per lead by over 6X for Dutch Event Technology Company *

Increased US Software Development Company's annually acquired clients by 400% *

Generated 50+ business opportunities for UK Architecture & Design Services Provider *

Reached out to 13,000 target prospects and generated 400 opportunities for Swiss Sports Tech Provider *

Boosted conversion rate of Ukrainian IT Company by 53.6% *

Reduced cost per lead by over 6X for Dutch Event Technology Company *

Increased US Software Development Company's annually acquired clients by 400% *

Generated 50+ business opportunities for UK Architecture & Design Services Provider *

Reached out to 13,000 target prospects and generated 400 opportunities for Swiss Sports Tech Provider *

Boosted conversion rate of Ukrainian IT Company by 53.6% *

Reduced cost per lead by over 6X for Dutch Event Technology Company *

Increased US Software Development Company's annually acquired clients by 400% *

Generated 50+ business opportunities for UK Architecture & Design Services Provider *

Reached out to 13,000 target prospects and generated 400 opportunities for Swiss Sports Tech Provider *

Boosted conversion rate of Ukrainian IT Company by 53.6% *

Reduced cost per lead by over 6X for Dutch Event Technology Company *

Increased US Software Development Company's annually acquired clients by 400% *

Generated 50+ business opportunities for UK Architecture & Design Services Provider *

Reached out to 13,000 target prospects and generated 400 opportunities for Swiss Sports Tech Provider *

Boosted conversion rate of Ukrainian IT Company by 53.6% *

Reduced cost per lead by over 6X for Dutch Event Technology Company *

Increased US Software Development Company's annually acquired clients by 400% *

Generated 50+ business opportunities for UK Architecture & Design Services Provider *

Reached out to 13,000 target prospects and generated 400 opportunities for Swiss Sports Tech Provider *

Boosted conversion rate of Ukrainian IT Company by 53.6% *

Reduced cost per lead by over 6X for Dutch Event Technology Company *

Turn users into loyal customers with a mobile app that engages, converts, and drives long-term growth for your business.

We build custom mobile apps for startups, enterprises, and eCommerce, unlocking new opportunities for user engagement, sales, and operational efficiency.

Whether you’re enhancing an existing product or building an app from the ground up, our development team is committed to exceeding your expectations.

Our Approach to
Mobile App Development

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A great mobile app begins with a solid strategy. At LenGreo, we follow a proven, step-by-step approach to build applications that are optimized for performance, usability, and business growth:

Step 1 : Discovery, Business Analysis, and Research

We start by analyzing your goals, target audience, and feature requirements. We also study your industry and competitors to ensure your app is strategically positioned for success.

Step 2 : Prototyping and UI/UX Design

We translate ideas into a clickable prototype and develop intuitive, engaging designs. Through iterative design sprints and regular feedback sessions, we ensure the visuals and user flows perfectly align with your objectives.

Step 3 : App Development and Implementation

We follow a two-phase development process – beginning with front-end development for early demos and continuing with back-end integration after approval. Whether building native or cross-platform apps, our focus is on clean, scalable code.

Step 4 : Quality Assurance and Launch Support

Before going live, your app undergoes rigorous testing to ensure flawless performance, security, and usability. We manage the deployment process and provide post-launch support for smooth adoption and minor adjustments.

End-to-End Mobile App Development

Our mobile app development service covers the entire lifecycle - from concept validation and product strategy to design, development, and post-launch optimization. We work closely with you to transform ideas into user-friendly, market-ready applications that drive engagement and growth. With this approach You gain:

Increased user engagement with intuitive and high-performing apps

Long-term cost efficiency with scalable, future-ready solutions.

AI-Powered Mobile Applications

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In the age of AI, mobile apps can do far more than deliver features, they can learn, adapt, and personalize experiences for each user. We integrate AI-driven capabilities into your applications, such as:

Personalized recommendations
to boost user engagement;
Chatbots and virtual assistants
for better customer interaction;
Predictive analytics
to make data-driven decisions and stay ahead of market trends.

UI/UX Design for Conversion

An app isn’t just about functionality—it’s about experience. Our design team creates clean, engaging interfaces that guide users naturally toward action.

Build interfaces that combine simplicity with functionality.

Improve retention and satisfaction with user-first design.

Ensure your app feels native to every device and platform.

API Development & Integration

Modern apps rarely work in isolation. We create secure and reliable APIs or integrate your app seamlessly with third-party services, CRMs, and payment gateways.

Enable smooth communication between your app and other systems.

Improve functionality with strategic integrations.

Ensure your app remains scalable as new features are added.

Post-Launch Support & Scaling

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Our partnership doesn’t end at launch. We provide continuous updates, maintenance, and scaling support to keep your app competitive and aligned with evolving user needs.

Reduce downtime with proactive monitoring and issue resolution.

Add features and improvements without compromising performance.

Stay ahead of trends with data-driven updates and enhancements.

MVP Development for Startups

For startups, speed to market is critical. We help you launch a Minimum Viable Product (MVP) to quickly test your idea, attract users, and gain valuable feedback.

Build a scale-ready application tailored for growth.

Validate ideas without unnecessary costs or delays.

Evolve your product based on real-world insights and user behavior.

Why Choose LenGreo?

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With 8 years of experience in app development and a client retention rate of 85%+, we’ve proven that our approach works. We focus on creating applications that are not just technically solid but also aligned with your long-term growth. With us you get:

Dedication
A dedicated team experienced in building apps across industries.
Transparency
Transparent communication at every development stage.
Results
A product that grows with your business.

Working with
our team
you can expect

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Native apps for iOS and Android deliver unmatched performance, security, and user experience.

Cross-platform solutions reduce development time and cost while maintaining consistency across multiple devices.

Our team ensures your app performs flawlessly regardless of platform or complexity.

Choosing the right technology stack is crucial for your app’s success. We help you decide between native and cross-platform development based on your goals, budget, and audience.

WHAT OUR CLIENTS SAY

The LenGreo team is very initiative, easy-going, and dedicated to what they’re doing. They constantly provide us with high-quality work and I’d recommend LenGreo to any company that needs professional assistance with business development and digital marketing.

Yevhen Surzhan ,

CTO, Powerkh

LenGreo has been an excellent business partner, and their lead generation and sales campaigns yield exceptional results. We have regular meetings to discuss their progress, resulting in a seamless workflow.  

Anatoly Kotlyar ,

CEO, CXDojo

It was a pleasure to work with the team as they were always responsive and ready to help and find a better solution for us, it is a great company to help you find the right audience and ways of communication in both B2C and B2B. LenGreo team members are real, proactive professionals.

Ihor Honcharov,

Head of Digital Marketing, Blocksport

LenGreo's efforts & activities have high commercial potential. They are very friendly & thoughtful in what they are doing. The only thing we'd like to adjust is reporting system so it matches our in-house system better

Christiaan van Duren,

CEO & Founder, Dexper

LenGreo is highly systematic in their approach. They provided me with outstanding solutions in a proper timely manner. Communication is very transparent, thus on all stages I could see how my business is scaling, and our KPIs are being achieved

NDA,

CEO, iGaming Platform

FAQ

We create native apps for iOS and Android, as well as cross-platform solutions using frameworks like React Native and Flutter, depending on your project’s needs.

Timelines vary based on complexity, but on average, projects take X weeks to X months. We provide a clear roadmap before development begins.

Yes. We handle everything from concept validation and wireframing to UI/UX design, ensuring your app resonates with your target audience.

Absolutely. We offer ongoing maintenance, feature updates, and performance optimization to keep your app competitive.

Yes. We build custom APIs and handle integrations with third-party services like CRMs, ERPs, and payment platforms.

Contact us

You're just one step away from expert advice on your project. Fill out the form, and our co-founder Max will get back to you promptly to discuss the best way forward.