Buy once instead of NotePlan
One app in the directory covers what people use NotePlan for. You buy it outright.
NotePlan costs about $99 a year. At that rate Agenda, the cheapest dollar-priced replacement at $34.99, pays for itself in 4 months.
Read the catch on each one before you switch — a one-time price is not automatically the better deal, and we say so where it is not.
The replacements