Zerion

Zerion is a data collection offers the most powerful and advanced mobile data collection forms for Android, iPhone and iPad devices. The job it does: designing and building iOS and Android apps.

It makes the most sense for businesses launching or rebuilding an app. Related areas on their profile: Data Collection and Labeling, Data Integration, Data Visualization and Mobile Apps. They are a small team, 11 to 50 people, which usually shapes who they work with. Small vendors mean quick answers and real influence on the roadmap, but check who covers support when someone is out.

Zerion is based in Herndon, Virginia. More on zerionsoftware.com.

Our checklist for this category: portfolio quality, app store experience, and maintenance terms. Ask for a trial on your own data, not a canned demo.

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