Gnymble

Gnymble is a two-way business communication software. In practice that means designing and building iOS and Android apps.

The natural audience is businesses launching or rebuilding an app. Alongside the main category they mention SMS. As a very small company team themselves (1 to 10 people), they tend to serve customers of a similar scale best. You will probably talk to the people who build it, which is great until you need 24/7 support.

Gnymble is based in Norfolk, Virginia. Their site is gnymble.com.

Things worth asking about: portfolio quality, app store experience, and maintenance terms. A short pilot with your real data tells you more than any demo.

Every review on Revaw shows how it was verified, so if you know Gnymble well, your review carries weight here.