• Developer ID signed
  • Apple notarized
  • SHA256 published

Download WhyDidItClose for macOS

Signed and notarized distribution build with published hash verification.

Install confidence checklist

  • Verify SHA256 before first launch.
  • Confirm Apple notarization in Gatekeeper prompt.
  • Use support@whydiditclose.com for any trust mismatch.

Download WhyDidItClose

Current macOS Build

  • File: WhyDidItCloseApp.zip
  • SHA256: a5cc0b8dad6ef2fab55b3e5d38e9e2567260cd50f614a60d429915c95e5a7f05
  • Size: 2.34 MB

Install Steps

  1. Download the zip file.
  2. Double-click to extract WhyDidItCloseApp.app.
  3. Move the app to /Applications.
  4. Open the app and grant notification permission if prompted.

Gatekeeper Trust Notes

WhyDidItClose distribution builds are signed and notarized for macOS distribution.

If Gatekeeper prompts on first launch:

  1. Open System Settings > Privacy & Security.
  2. Review the app prompt.
  3. Choose Open Anyway only if the file hash matches the SHA256 published above.

Verify Download Integrity

Run this command on your downloaded file:

shasum -a 256 ~/Downloads/WhyDidItCloseApp.zip

Confirm the output exactly matches the SHA256 value on this page.

Need Help Installing?

Contact support@whydiditclose.com and include your macOS version plus any launch error message.

If your local hash does not match the published SHA256, delete the file and contact support@whydiditclose.com before opening the app.

Signed + notarized macOS build. SHA256 published.