Installation Instructions for Hook Productivity App for macOS

Thank you for purchasing Hook, a CogSci Apps invention!

  • If you haven’t already, please download and install the Hook productivity app. Then, to activate your license of Hook, please click the License Key link at the top of the License Activation email message from
  • Hook’s license activation process is described here.
  • Please keep your license key email in case you need your license in the future. If you use the Hook activation link (URL) a year or more from the time it was last sent, we (CogSci Apps) may email you a new link that replaces the one you previously received, for this same license. So, please add and to your email contact safelist.

For more information,

What do you value?

Buying Hook means you value cognitive productivity. So please check out our co-founder (Luc P. Beaudoin)’s Cognitive Productivity e-books:

  1. Cognitive Productivity with macOS: 7 Principles for Getting Smarter with Knowledge.
  2. Cognitive Productivity: Using Knowledge to Become Profoundly Effective

Do you or your loved ones have trouble sleeping? Check out another CogSci Apps® invention—the mySleepButton app for iPhone/iPad (and Android).

Sleep is essential to cognitive productivity and wellness. Our co-founder also is an expert on sleep onset and insomnolence.

Who else cares?

Our R&D has been covered by The Guardian, Forbes, LifeHacker, The New York Times, Popular Science, Inc Magazine, Virgin Radio, Oprah Magazine, and many other sources.