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Tighten Pro is a code generator and verifier for Mac App Store receipt validation, code-signing and security.

Getting your OS X app ready for the App Store is simple--until you start thinking about verifying the store receipt, checking the certificate chain used to sign your application, and checking the integrity of the application bundle. Implementing all of the WWDR recommendations for the App Store could take up to a month (that's the voice of experience speaking), even for experienced developers!

Tighten Pro changes all that. With a built-in code generator that reads directly from your codesign-ed app more...

What's New

Version 1.0.13:
  • Fixes for handling app bundles containing receipts signed with "Mac App Store Receipt Signing" certificate which expired on 2015.11.11
  • Updated to verify receipts signed with "Mac App Store and iTunes Store Receipt Signing" certificate expires 2017.10.23 or 2023.02.07.
  • Fixes for 10.8.5 and higher (exception thrown when App bundle opened).
  • Light dusting and more...


  • OS X 10.6.8 or later

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Current Version (1.x)


Downloads 835
Version Downloads 11
License Commercial
Date 08 Dec 2015
Platform Intel 64 / OS X / Intel 32
Price $299.99
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