Sierra Data Systems

Sierra Data Systems provides mobile logistics software and solutions. Put simply, it is about designing and building iOS and Android apps.

Who is it for? Mostly businesses launching or rebuilding an app. They are a very small team, 1 to 10 people, which usually shapes who they work with. You will probably talk to the people who build it, which is great until you need 24/7 support.

Sierra Data Systems is based in Grass Valley, California. More on sierradata.com.

Before you commit, look at portfolio quality, app store experience, and maintenance terms. Get the renewal terms in writing before the first invoice.

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