Top 100 Mobile App Developers in Pennsylvania
The Best of December 2025Looking for a top mobile app development company in Pennsylvania?
Building a mobile app is expensive. In fact, it can cost $10,000 to $150,000, unless you want an out-of-the-box solution with a DIY app builder. So, choosing the right app developer is important because it can save you time and money and result in an app that makes your business stand out.
As you begin the process of hiring an app development company, remember to define the type of app you want before starting conversations with developers. How complex your app idea is will determine your budget and the skill level you need in an app developer. Then, once conversations begin, ask for portfolio items, reviews, and references. Be sure to bring up timeline, too, so you align on expectations.
Overall, with about 90% of time on mobile spent in apps, investing in a mobile app for your business may help attract customers and get your brand in front of more people.
To assist you in your search for a partner, we’ve compiled this list of the top mobile app developers in Pennsylvania. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Pennsylvania Mobile App Development Companies
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1$10,000+2 - 9 employeesCanonsburg, PARead More
ANTLR Interactive is a Pittsburgh-based mobile app development firm. Founded in 2014, it has 2 employees who specialize in mobile app development, web development, and custom software development. The team serves small business and midmarket clients in the nonprofit, e-commerce, and health care & medical industries.
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ANGLRIndustries
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2$50,000+50 - 249 employeesPittsburgh, PATruefit is a midsize website development firm founded in 1997. Their services include Web Development, Mobile App Development, Enterprise App Modernization, and IoT development. The firm is located in Pittsburgh, Pennsylvania; Houston, Texas and Scottsdale, Arizona.Read More
Clients
McDonald's Bare Performance Nutrition Char-BroilIndustries
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3$10,000+10 - 49 employeesLansdale, PARead More
With 75+ employees, OpenSource Technologies specializes in digital marketing and web and mobile solutions. The Philadelphia-based agency has a global presence – serving companies in more than 35 countries and working from another office in India.
Clients
27th InvestmentsIndustries
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4$10,000+10 - 49 employeesArdmore, PARead More
Think It First is a marketing and advertising firm based in Wayne, Pa. Their team of 5 employees has worked with clients of all sizes since the firm's founding in 2010. They specialize in web design and development but also offer digital strategy services to their clients.
Clients
Chestnut Hill CollegeIndustries
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5$25,000+50 - 249 employeesWexford, PARead More
OpenArc, LLC is a technology consulting firm based in Wexford, Pa. with a team of over 50 members. Since 2010, they have offered their expertise in UX/UI design, IT strategy consulting, and custom software development for business intelligence and e-commerce purposes.
Clients
ArconicIndustries
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6$25,000+10 - 49 employeesPhiladelphia, PARead More
BRAND POWER is a creative digital agency with headquarters in Sligo, Ireland, and another office in Dublin. Founded in 2017, the team of 7 specializes in e-commerce development, web development, UX/UI design, and digital strategy. They primarily service small–midmarket businesses.
Clients
Healthwise PharmaciesIndustries
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7$10,000+10 - 49 employeesKing of Prussia, PARead More
Fynydd is a software development and IT services firm based in King of Prussia, Pa. Founded in 2010, they have about 10 employees that work with organizations in all industries and organization size. Their services include web design and development, custom software development, mobile app development, UX/UI design, and IT strategy consulting.
Clients
Saint-Gobain New Relic US Bank Endo PharmaceuticalsIndustries
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8Undisclosed50 - 249 employeesBerwyn, PAPurplegator is a midsize SEO services firm in Berwyn, Pennsylvania; Des Moines, Iowa and Haleiwa, Hawaii. They focus on Search Engine Optimization, Social Media Marketing, Web Design, Mobile App Development, and more and were established in 1989.Read More
Clients
AldiIndustries
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9$50,000+10 - 49 employeesPittsburgh, PADream Foundry Games is a mobile application development firm launched in 2021. Located in Pittsburgh, Pennsylvania, their small team specializes in Mobile App Development, UX/UI Design, Custom Software Development, and AR/VR development.Read More
Industries
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10$1,000+10 - 49 employeesPhiladelphia, PARead More
SEO agency Chirp Technologies was launched in 2018. Their small team is headquartered in Philadelphia, Pennsylvania and Lahore, Pakistan. Chirp Technologies offers search engine optimization, mobile & app marketing, e-commerce development, custom software development, and more.
Industries
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11Undisclosed10 - 49 employeesLancaster, PARead More
Seisan is a software development company. Founded in 1994, the team offers custom software development. Their small company is based in Lancaster, Pennsylvania.
Clients
Armstrong World Industries AHF Department of Homeland Security Maryland Office of the ComptrollerIndustries
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12$5,000+10 - 49 employeesPittsburgh, PARead More
Build in Motion is a Pittsburgh, Pennsylvania-based user experience design agency. They focus on ux/ui design, e-commerce development, mobile app development, web design, and more and were established in 2013.
Industries
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13$50,000+10 - 49 employeesPhiladelphia, PARead More
Founded in 2014, OpenForge is a development and design company. Located in Philadelphia, their team of 15+ specializes in mobile app development and UX/UI design for clients in the healthcare industry.
Clients
Medical Mutual of OhioIndustries
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14$10,000+10 - 49 employeesLafayette Hill, PASOtechnology is a Cranfield, England-based AI Agents company. The small firm was established in 2007. Their services include AI Agents, Artificial Intelligence, Custom Software Development, Digital Strategy, and more.Read More
Clients
bakerdaysIndustries
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15$10,000+10 - 49 employeesPipersville, PARead More
Spark DSG is a UX design agency. The small team is based in Doylestown, Pennsylvania. Their services include ux/ui design, web design, web development, e-commerce development, and more.
Clients
JuvenescenceIndustries
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16$5,000+2 - 9 employeesMechanicsburg, PARead More
Founded in 2013, Phalanx Digital Inc. is a development and design agency based in Mechanicsburg, Pa. Their small team of 4 specializes in developing websites, custom software, mobile apps, and other services.
Clients
Lamborghini -
17$25,000+50 - 249 employeesFurlong, PAAthenaworks is an IT managed services company. Founded in 2014, the firm is based in Furlong, Pennsylvania. The midsize team offers IT managed services, IT staff augmentation, Custom Software Development, Web Development, and more.Read More
Industries
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18$10,000+10 - 49 employeesYardley, PAMobiWhiz is a mobile application development firm. Located in Yardley, Pennsylvania, their small team specializes in mobile app development, custom software development, e-commerce development, and web development. The agency was launched in 2012.Read More
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19$10,000+10 - 49 employeesPhiladelphia, PARead More
Zivtech is a full-service digital agency with 25 experts on its team. Located in Philadelphia, PA, the agency offers a range of services, including web and app development, UI/UX design, and digital strategy.
Clients
AcquiaIndustries
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20$10,000+2 - 9 employeesPhiladelphia, PARead More
Founded in 2017, Syncware Technologies is a development firm. Their team of around 5 employees is based in Philadeplhia. They focus on custom software, web, and mobile app development.
Clients
The Wilson ConceptIndustries
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21$1,000+50 - 249 employeesPhiladelphia, PAWebashlar Software Solution Pvt. Ltd. Is a midsize Surat, India-based website development company. They provide Web Development, Custom Software Development, Mobile App Development, IT staff augmentation, and more and were launched in 2009.Read More
Industries
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22$5,000+2 - 9 employeesPlymouth Meeting, PAWeb Magnetism Ltd is a web design agency. Founded in 2023, the small firm is based in Slough, United Kingdom. Their services include web design, mobile app development, search engine optimization, and pay per click.Read More
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23$5,000+10 - 49 employeesDunmore, PAMarket Genius USA, a branding company, is located in Dunmore, Pennsylvania and Miami, Florida. The small team focuses on Branding, Web Design, Web Development, Mobile App Development, and more and was launched in 2014.Read More
Clients
IConnIndustries
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24$50,000+10 - 49 employeesPhiladelphia, PARead More
PromptWorks is a development firm with offices in Philadelphia, PA, Austin, TX, and New York, NY. The agency and its team of around 30 specialize in mobile app, custom software, and IoT development.
Clients
ComcastIndustries
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25$1,000+10 - 49 employeesPhiladelphia, PARead More
Flexible Sites is a software company based in Philadelphia and founded in 2020. Their team of no more than 50 offers custom software development, web design, and web development solutions for small businesses.
Clients
PeaceJam OrganizaitionIndustries
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26$10,000+50 - 249 employeesPhiladelphia, PARead More
Arcweb Technologies is a software development firm. Their midsize team is in Philadelphia, Pennsylvania. Their team offers custom software development, digital strategy, graphic design, and mobile app development.
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27Undisclosed10 - 49 employeesNorvelt, PARead More
McKula Inc. Is a small web design company headquartered in Norvelt, Pennsylvania. Founded in 2003, the team focuses on web design, custom software development, mobile app development, and other application development.
Industries
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28$25,000+10 - 49 employeesPhiladelphia, PAMile6 is a software development firm. Launched in 1996, the team focuses on Custom Software Development, Web Development, Mobile App Development, Web Design, and more. Their small company is located in Philadelphia, Pennsylvania.Read More
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29$10,000+10 - 49 employeesLancaster, PARead More
Founded in 2010, Industrial Resolution is a development company based in Lancaster, Penn. They work with small and midmarket businesses from various industries including manufacturing, healthcare, real estate, nonprofit, and transportation.
Clients
Dutch Valley FoodsIndustries
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30$10,000+10 - 49 employeesPhiladelphia, PARead More
Engine Room is a development company based in Philadelphia. They have a team of around 30 employees and were founded in 2014. They mainly provide web, mobile app, and e-commerce development services to enterprise and midmarket businesses.
Clients
CertainTeed
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