Lifetime Mac

Buy once instead of TickTick Premium

TickTick Premium costs
$50a year. US$49.99 a year, annual billing only. Their pricing
Ways out
5apps that do the same jobs
Cheapest to buy
$24.99TaskPaper, which pays back in 6 months
Cost nothing
0freeware or open source

Read the catch on each before you switch. A one-time price is not automatically the better deal, and we say so where it is not.

5 apps
TaskPaperPlain-text to-do lists in a real Mac app$24.99This version

No iPhone or iPad app — on mobile you edit the file in someone else's text editor

GoodTaskPower-user front end for Apple Reminders and Calendar$39.99Perpetual

The iPhone and iPad app is a separate purchase from the Mac one

2DoConfigurable task manager, bought direct rather than from the App Store$49.99Paid upgrades

Updates stop eighteen months after purchase unless you pay a discounted renewal

Things 3Calm, opinionated to-do app you buy once per platform$49.99This version

Each platform is a separate purchase — the iPhone app is another $9.99

OmniFocus 4Heavyweight GTD task manager that still sells a perpetual licence$74.99This version

The next major version will be a paid upgrade, historically around half list price