Almanaut
Coming soon to the App StoreUS$14.99 · Pay once
Never renews · No ads · Works offline
Family Sharing
Supported. Up to six family members can use one purchase.
What you need
An iPhone running iOS XX or later. The first release has no iPad or Mac version.
Changing phones, or reinstalling
Open the app and go to More → Restore purchases. It asks the App Store what your Apple ID has bought — no account of ours is involved.