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Important Message
SAFELOG APP ISSUES ON MACOS 15 - Issue largely addressed but persists on some Macs.

We are aware of the Safelog Pilot Logbook Mac app not starting on some Mac devices which have been upgraded to MacOS 15. You may be getting a message saying that the app is "corrupt" or something to that effect. This is a MacOS bug caused by Apple: as our app is delivered directly from the Mac app store and has been verified by Apple, "corruption" is impossible. Many apps on the Mac app store are affected by this MacOS 15 bug and we expect Apple to shortly issue a MacOS 15 update to address this. In the meanwhile:
  • Please don't upgrade to MacOS 15 if you can delay it for now.
  • If you are affected by the bug, for now just use SafelogWeb.com via your Mac's web browser
  • We are also working on a fix to work around the Apple bug, but it is unclear if we or Apple will fix this first.\
Thank you for the your understanding and we apologize for the situation.



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FAQ > GroundSchool FAA Knowledge Test Prep
Which platform is best to study on?

Our GroundSchool FAA knowledge (written) test prep apps are available for Microsoft Windows™ PCs, Apple Macs, iPhone™, iPad™, and compatible devices, and Android™ devices.

No matter which platform you choose, the learning content in each is exactly the same and we make updates available for all platform versions at exactly the same time. The user experience and feature set of our apps on each platform is similar, but is is also naturally tailored to the look and capabilities of each specific platform and device. There is no one "best" platform - they are all good apps and the platform you should choose depends on your personal preferences. Some people purchase our apps on multiple platforms for greater convenience and availability. However, due to policies set forth by the app stores (Google and Apple), each platform version is a separate purchase. Please also note that due to limitations imposed by Google, Amazon, and Apple, we are not necessarily able to offer the same "bundle" options on all platforms.

It is vitally important that as soon as you get our test prep app, the very first thing you do is to start it up and click on "check for updates" (or similar) from the main menu. This will update the learning content to the latest and greatest. It's really critical that you do this, especially for mobile app versions. Our editorial team is hard at work updating the content regularly through 2024, 2025 and beyond, so check for updates regularly as you study.