Email support@coffeemacros.com and we'll get back to you. This is also where the app sends you if your device can't open a prefilled report from the "Report an issue" menu on a recipe.
A drink's nutrition looks wrong. Use "Report an issue" on that recipe's detail screen (top-right menu) — it opens a prefilled email so we can look into it.
A drink says it's unavailable. That's a user-reported signal, not a guarantee — Starbucks menus vary by location and season.
Where are my saved drinks? Saves live only on your device (Saved tab) — there's no account, so nothing to sign into on a new device.