Support
Email support@lanternsong.com.
Replies usually come within a couple of days.
If something is broken
It helps a lot to include:
- Which app, and which iPhone you are using
- Your iOS version, from Settings, then General, then About
- What you did just before it went wrong
- A screenshot or a screen recording, if it is something you can see
The apps collect nothing automatically, so a bug report is the only way a problem gets noticed. Small annoyances are worth sending too.
Purchases
If you bought an unlock and it has not appeared, open the app's menu and use Restore Purchases first. That asks Apple again and fixes it almost every time, including on a new phone or after reinstalling.
If it still does not appear, send an email saying which Apple Account was used for the purchase. Refunds go through Apple rather than through Lanternsong, at reportaproblem.apple.com.
Ideas
Send them. These apps are deliberately small, so most suggestions get turned down for that reason alone, but some of the best things in Nil started as someone saying what they wished it did.