What are some alternatives?
When comparing Apprecia and Worthyt Appreciations, you can also consider the following products
Evabot for Slack - Send coffee/beer as an appreciation gift to colleagues
Drip by Kickstarter - A new way to back creators. A Patreon competitor.
GGfication - Send appreciations to your friends, family and colleagues
Patreon Developer - Funding the arts across the web with Patreon's new API
Happier - A life appreciation platform.
Patreon - Patreon enables fans to give ongoing support to their favorite creators.