Upgrade to Kaleidoscope 3

Desktop with Kaleidoscope

What's New

Kaleidoscope 3 features the first major redesign in over eight years, including a gorgeous dark appearance, and adds support for Apple Silicon-based Macs. There is a new Reader view, changesets have received major improvements, and so much more….

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Upgrade Offer for App Store Customers

The upgrade to Kaleidoscope 3 is available for a one-time cost of $69.99 (84,99€), a massive discount compared to the full price of $149.99 (179,99€).

The Mac App Store doesn't offer upgrade pricing, so we cannot provide you with an upgrade on the App Store. But we still want you to be able to upgrade to Kaleidoscope 3 at the same price we offer our direct customers.

In order to qualify, we need to confirm that you are a licensed user of Kaleidoscope 2. Use the box below to check the Kaleidoscope app from your computer. Once validated, you will automatically be forwarded to our store where you can purchase a permanent license for Kaleidoscope 3 at the reduced upgrade price.

Kaleidoscope 2 App Icon
Click Choose to locate Kaleidoscope or drop the app here.
Please use the current shipping version of Safari on macOS for verification.
Notes:
  • Kaleidoscope 3 is not a subscription. You will be able to use Kaleidoscope 3.x for as long as you wish.
  • For purchases made after March 1, 2021, there is no charge for the upgrade. Contact us if you qualify.
  • Please use either Safari or Chrome on this page. Other browsers like Firefox are known to cause problems.
  • If you have issues with upgrading or have other questions, do contact us and we will be happy to help. Please include a proof of your App Store purchase, such as the receipt email you received from Apple after purchasing.