Maintain develops tailored applications for Mac users. We work towards creating technical solutions which maintain your computer and make it as efficient and easy to use as possible. In addition, we offer comprehensive consultancy and support services which cover everything from operation of existing systems to purchase and implementation of new technical solutions.


Cocktail 14 (Big Sur Edition) has been released.

Cocktail (Big Sur Edition), a new edition of Cocktail for macOS Big Sur is now available for download. Please notice that Cocktail (Big Sur Edition) requires macOS Big Sur 11.0 to run. If you are running macOS Catalina, please continue to use Cocktail (Catalina Edition).

We are happy to welcome Major League Baseball as our client!

Major League Baseball (MLB) is a professional baseball league, consisting of teams that play in the American League and National League.


Cocktail is an award winning general–purpose utility for macOS. It is a digital toolset with a variety of practical features that lets you clean, repair and optimize your system with one click of the button. The application serves up a scrumptious mix of maintenance tools and interface tweaks, all accessible via a comprehensive graphical interface.

Visit the Cocktail site


Major League Baseball, L'Oréal, Ericsson, Harvard University, Fortum, Los Angeles Times, Macy's, The New York Times, Lockheed Martin, Peak Performance, Puma, Sony Pictures, The City of Calgary, Weber, University of Michigan, Business Week, South Park Studios, Getty Images, The University of Texas, NASA, CompUSA, The Miami Herald,, Defense Intelligence Agency... and hundred of thousands of Mac users around the world.