Custom Mobile App Development Services

Custom Mobile App Development

We design and build mobile applications that improve customer experience, streamline internal workflows and scale with your growth. Let’s turn your idea into the iOS and Android app that will drive your business forward or top the app download charts.

With Keene Systems, you have a partner that covers every aspect of your mobile app development journey. Our holistic approach ensures that your vision is executed flawlessly, from the initial idea to the polished product.

Trusted By Leading Companies

Keene Systems has delivered enterprise-grade mobile apps for some of the world’s most recognized brands.

Stay Competitive In A Mobile-First World

Customers and teams expect fast, intuitive experiences on every device. Custom mobile apps help you respond in real time, reduce manual work, and deliver the features your market needs.

Improve efficiency with workflow automation
Delight customers with intuitive experiences
Give leaders real-time data on the go
Scale without rebuilds as needs change
Create advantages off-the-shelf tools cannot match

With the right mobile app, your business gains the speed, flexibility, and innovation it needs to thrive in today’s digital marketplace.

Cross-Platform Mobile App Development

Mobile application development services are powered by various platforms that provide developers with the tools and frameworks to create innovative and feature-rich applications. The right platform shapes the success of your app. We use leading frameworks that speed delivery, cut costs and ensure scalability:

These are the primary technologies that we specialize in.

.NET MAUI

React Native

Flutter

Why Choose Keene Systems For Your Mobile App Development Needs?

At Keene Systems, we build mobile apps that drive results. Every business is unique, so we tailor our approach to match your goals, brand, and customers. From concept to launch, we provide end-to-end services including strategy, design, development, testing, and ongoing support.

What We Offer:

Custom strategy and requirements analysis
Modern, user-friendly design and development
Rigorous testing for quality and security
Maintenance and updates to keep your app running strong
Cross-platform expertise (iOS, Android, web)
Scalable solutions that grow with your business

With expertise in .NET Maui, React, Flutter and more, our team turns your ideas into innovative, reliable apps that set you apart in today’s mobile-first world.

Ready to make your mark? Let’s build an app that helps your business thrive.

The Keene Systems mobile app development process
process is simple and efficient. As a professional mobile app development and consulting firm, we guide you through every step:

Initial Consultation – It starts with an initial call with Lance Keene, our CEO and Founder, to understand your app vision, target audience and business goals.
Requirements & Estimate – Lance and the team define app requirements, features and platform needs (iOS, Android, or both), then provide a tailored project estimate.
Project Kickoff – Once you approve the estimate, we launch your mobile app project with a clear roadmap.
Agile Development – Our team builds your app iteratively with periodic check-ins, design reviews, and refinement to keep everything on track.
Testing & Deployment – Together we test the app on multiple devices, finalize features, and deploy to the App Store and/or Google Play.
Ongoing Support – Keene Systems maintains, updates and scales your app as your business and user needs evolve.

We focus on delivering more than just an app. We deliver a solution that helps your business succeed in today’s mobile-first world.

CUSTOMER TESTIMONIALS

“Keene Systems has been effective in helping our firm stay on top of the many, many events that occur on a daily basis during the NH legislative session. Before Keene Systems created this system, we were cutting and pasting information into reports for clients and reviewing pages and pages of information before putting literally hundreds of events into our calendars per week. ”

Tristin Craigue

Administrative Coordinator

The Dupont Group

“To help us create an internal patient record-keeping system, Keene Systems provided the responsive service we needed, delivering the completed project on schedule and on budget.”

Sharon Hershon

IT Manager

Partners Healthcare