17 Sept 2026 · TrustList Editorial
How to choose a mobile app development company: the 2026 buyer's guide
What to check before hiring an app developer: store accounts and review rules, OWASP MASVS security, privacy declarations, ownership and…
6 app development companies ranked by rating, review volume and listing quality.
Between them, the 6 app development companies on this page cover education (3), financial services (2), web design (2) and eCommerce (2). 6 of them have written a profile you can read before you get in touch.

Financial Services · Education · eCommerce · Also in United States of America
kromeon is a software development firm in San Diego, California.
Financial Services
ArteDigital provides on-demand software developers to extend client teams.
Education · eCommerce
Brand New Box is a digital product studio in San Diego, California.
Web Design · Education · Goals
Dog and Rooster, Inc. is a San Diego technology firm that designs and builds websites, web applications and mobile apps.

Web Design · Goals · Internet · Also in Virginia
Green Bird Media is a web design firm that says it started in San Diego and now operates from Virginia. It builds websites for businesses and nonprofit organisations.
IntelliSparx LLC is a web agency based in San Diego, California. It designs and programs websites, hosts them, and handles online marketing and search optimisation.
For vendors
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Every other way we rank app development companies — by what they do and where they are.
Articles on this subject first, then the newest.
17 Sept 2026 · TrustList Editorial
What to check before hiring an app developer: store accounts and review rules, OWASP MASVS security, privacy declarations, ownership and…
5 Oct 2026 · TrustList Editorial
Our own count: nine e-invoicing and tax-system changes published 2 to 5 October from seven countries, none in the EU or US. Median warning…
5 Oct 2026 · TrustList Editorial
Nigeria's digital economy ministry, through NITDA's NCAIR, takes applications until 12 October 2026 for working solutions built on the…
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