Top 10 Mobile App Development Companies in Pennsylvania 2025

21Twelve Interactive functions closely with all the patron to present relatively purposeful and award-triumphing mobile application development providers. Our innovative mobile utility development methodology enables us to develop a completely straightforward utility improvement strategy to turn it into a noticeably flourishing program in Pennsylvania. Our astonishing presentations pride software clients and encourage engagement, although our pleasant utility development clinic assists our customers achieve their targets punctually and in funding. We enjoy working jointly with longterm groups and startups to demonstrate their ideas into mobile programs that are powerful.

At KDG, our focus is on your organization, your growth, your future—We represent YOU. With the latest technology, detailed insights, and a team of expert consultants, we will help your organization dig deep to reach the heights it has always dreamed it could achieve.

Since 2001, KDG has been a trusted advisor to the business, nonprofit, and education sectors.

ANTLR Interactive is a bespoke software development firm which helps small and medium sized businesses utilize custom software to maximize their efficiency.

OpenArc is a technology consulting firm providing industry-leading technical talent placement, software development, and technology strategy services to clients nationwide. Through a unique blending of people and software, OpenArc has a business practice that delivers amazing enterprise, mobile and consumer-facing apps and the best talent for contract, contract-to-hire and direct placements for clients and partners alike.

Phalanx is here to kick a$$ and chew bubble gum, and we’re all out of bubble gum.

But no really, we exist for the sole purpose of providing brands with better solutions to problems across the digital landscape.  No matter the need, whether it’s software, design, mobile apps, kiosks or even game design and development we have you covered.

We are a software development & hosting company. Our clients have asked us to help them achieve marketing goals, better operate their business, create learning opportunities, improve sales and engagement, and everything in between. We solve problems through great UI/UX design and building modern, scalable CMS, AMS, desktop and mobile apps, BizOps solutions, and more.

We are design-focused. Design is a core part of our development process. The best apps also have the best design.

We support agencies. We design and build great apps and platforms.

Our name says it all.

We believe that better on the web means taking a meaningful pause and some critical thought. Through an iterative approach, we create advanced digital tools focused on the only thing that matters – the user.

We begin at the end.

Sound backward? It’s not. We start with your desired result: More customers? New look? More time and energy to do what you do best? Once we have an ironclad objective in place, we create a roadmap to get you there.

Shout specialise in digital products and experiences, combining research, analysis and insights with technology and creativity to solve your business challenges.

With over a decade of digital experience, our teams do the thinking for you

Startup to Fortune 500 companies, Yashco Systems is one stop solution for all your software needs. A fast growing full service company, Yashco Systems offers IT Services, IT Consulting and Digital Services.

We create innovative and cost effective solutions by first understanding how you work. We bring in the right people to get the job done. And customize the delivery method to fit your business.

The 2012 and 2013 business curve has been exciting to our core vision for the next generation of the company. With our core mindset of Results in Action, we have built a company equipped to partner with our customers to revise their commercial model to realize the full potential of digital, mobile and social engagement.

Over the past 20 months, we have achieved significant milestones that have fueled our growth, expanded our capabilities, added operational agility and fostered a culture of actionable invention.