What They Say

Store interesting quotations in "What They Say," and use author and tag fields to easily find them again.
Base functionality supports storing quotes on a single device (quote, author, context, tags) and a robust search engine.
Syncing between multiple devices is available as a 99c/year subscription.

Terms of Use (EULA) : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/