FANCYMMS is highly praised for its ease of use and efficiency in creating animated MMS for SMS marketing campaigns. Users appreciate its straightforward interface, which eliminates the need for tutorials, and its ability to save time. The tool is noted for enhancing SMS campaigns with engaging visuals, making it a valuable asset for marketers and designers. Feedback highlights its effectiveness in improving conversion rates compared to traditional SMS, with users from Talkable reporting satisfaction in using it for SMS referral campaigns.