Top 100 Mobile App Developers in Pennsylvania

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.

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.

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.

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.

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.

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.

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.

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. 

Purplegator is a marketing and advertising firm that has offices in King of Prussia, Pa., Des Moines, Iowa, and Haleiwa, Hawaii. Founded in 1989, Purplegator's team of 9 employees has nearly three decades of experience specializing in web design and development, and SEO.  Purplegator primarily works with small to mid-market clients from the consumer products, business services, and entertainment industries. 

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.

Founded in 2011, Ombu Labs is located in Philadelphia. With eight employees, they provide product design, custom software development, and web development services to enterprise and midmarket sized businesses.

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.

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.

Seisan is a software development company. Founded in 1994, the team offers custom software development. Their small company is based in Lancaster, Pennsylvania.

Truefit is a Pittsburgh-based software development company. Founded in 1997, they have expanded their team to 60 specialists who provide custom software development, mobile app development, and e-commerce development. Their clientele consists of small, midmarket, and enterprise businesses in the consumer products, health care, and education industries.
 

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.

The Tactile Group is a full solution digital agency based in Philadelphia. Founded in 2004, the Tactile Group has more than 10 employees offer web development, web design, custom software development, and UX/UI services to local, state, and federal government entities, as well as enterprises and non-profits.

Web 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.

RedTree Web Design, an UX design company, is headquartered in Pittsburgh, Pennsylvania. The agency specializes in UX/UI Design, E-Commerce Development, Web Design, Web Development, and more and has a small team.The agency was founded in 2015.

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.

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.

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.

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.

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.

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. 

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. 

Mile6 is a Philadelphia, Pennsylvania-based. The small company was established in 1996. Their services include.

Philadelphia-based development and design company Tonic Design Co. has just over 50 employees who are dedicated to producing the best digital products. The expert team helps with web and UI/UX design, web and mobile app development, and digital strategy for brands worldwide.

NuCitrus Technologies is a Philadelphia based web design and development firm. NuCitrus Technologies' team of about a dozen employees mainly works with small organizations but also has experience working with mid-market and some large organizations. The firm, founded in 2012, specializes in web, e-commerce, and mobile app development.

Specific Pixel is a design and development company headquartered in York, Pa. The company, founded in 2010, has a small team of 3 people who specialize in custom software development, mobile app development, and web development. Most of the companies they work with are in the automotive industry; other companies are in the advertising & marketing, media, e-commerce, and consumer products & services industries.