You get one year of free software updates; the version you have after that year remains functional forever.
It is highly recommended to only download from the official Principle website to avoid malware.
Principle for Mac does not offer a permanently free version. However, you can download a directly from Principle that lasts for 14 days . This trial is unique because it only counts the days you actually open and use the software. What is Principle for Mac? Principle 3.11 for Mac Free Download
If you want updates beyond the first year, you can renew for approximately $99. Downloading Version 3.11
Use the companion Principle Mirror iOS app to test your designs on real mobile devices. Pricing and Licensing You get one year of free software updates;
Import designs directly from Figma or Sketch .
If you have an older license that only supports version 3.11, you can often find previous releases on the Principle Change Log page . Principle for Mac However, you can download a directly from Principle
If you decide to keep the software after your trial, Principle uses a model rather than a monthly subscription. Standard License: $129 per computer.