Upin

Upin offers the best experience for hosting and joining local activities & connected with like-minded people in real-time!. In practice that means designing and building iOS and Android apps.

The natural audience is businesses launching or rebuilding an app. Related areas on their profile: Mobile Apps. As a very small company team themselves (1 to 10 people), they tend to serve customers of a similar scale best. Small vendors mean quick answers and real influence on the roadmap, but check who covers support when someone is out.

Upin is based in San Diego, California. You can read more at getupin.com.

Before you commit, look at portfolio quality, app store experience, and maintenance terms. Ask for a trial on your own data, not a canned demo.

The facts above come from public company records. The score will come from people like you. Used Upin? Rate it.