(03)Legal

Terms of use

Licensed through the Mac App Store.

Last updated 3 October 2026
01

License

klar. is licensed to you, not sold, through the Mac App Store. Apple’s standard Licensed Application End User License Agreement applies, so there is nothing extra to sign.

Read Apple’s license agreement ↗

02

Purchase and subscription

Try klar. free for 7 days. After that, choose a monthly or yearly subscription, or buy it once. The one-time purchase includes Family Sharing and future Mac updates.

Apple handles payment, renewal, cancellation and refunds through your Apple Account. Subscriptions renew automatically unless you cancel them in your Apple Account settings at least 24 hours before the current period ends.

03

Your files

Your documents are yours. klar. reads and writes ordinary Markdown files in the folder you choose; we claim no rights to them and keep no copy.

klar. keeps versions while you write, but versions are not a backup. Keep copies of what matters.

04

The demo

The editor on this website is a demonstration. Nothing you type is saved or sent anywhere; it is gone when you close or reload the page.

05

Open source and fonts

klar. and this website use the following. The license texts are included in the app.

  • Source Serif 4, Source Sans 3, Source Code ProSIL OFL 1.1
  • RevenueCat purchases-iosMIT
  • Young Serif, DM Mono (this website)SIL OFL 1.1
  • Preact (this website)MIT