Different (and incompatible) versions of Quicken run on Windows and Macintosh systems. Previous versions ran on DOS. There are several versions of Quicken for Windows, including Quicken Starter, Quicken Deluxe, Quicken Rental Property Manager, Quicken Premier, and Quicken Home & Business, as well as Quicken for Mac. Since 2008, each version has tended to have the release year in the product name (e.g., Quicken Basic 2008); before then, versions were numbered (e.g., Quicken 8 for DOS).
Quicken's major marketplace is North America, and most of the software sold is specialized for the United States and Canadian marketplace and user base. But the core functions can often be used more widely, regardless of country; and versions have been tailored for a variety of marketplaces, including Australia, Germany, Hong Kong, India, New Zealand, the Philippines, and Singapore. Development of the UK-specific version of Quicken was stopped in January 2005, with sales and support ending shortly afterwards. There were also versions for Argentina, Brazil, Chile, Colombia, Costa Rica, Denmark, Ecuador, France, Mexico, the Netherlands, Spain, Sweden, Switzerland, Uruguay, and Venezuela.
The Quicken brand has been extended to other personal and household areas, including healthcare. Quicken Health Expense Tracker is a free online tool for healthcare consumers enrolled in participating health plans. Users can "manage and direct their health care finances, view and organize medical expenses, payments and service histories, and download and organize personal health claims data." The Quicken Medical Expense Manager is a desktop software tool for managing healthcare paperwork, tracking claims and payments, and consolidating related information.
Quicken Kids & Money was a Web-based program that aimed to help parents teach five- to eight-year-old children how to earn, spend, save, and share money. It is defunct.
Other products are aimed at home business and seem to fit in a space for a less formal business than would be using QuickBooks. Quicken Rental Property Manager is a desktop software tool for managing rental properties; tracking tenants, expenses, and payments; and producing tax reports.
Software as a service
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Quicken Online was a free, hosted solution (see software as a service) by Intuit. Intuit hosted all of the user's data, and provided patches and regularly upgraded the software automatically. Initially this was launched as a monthly paid subscription, and was a free service for over a year. During the year that it was free, it acquired over 1.5 million customers. It was discontinued on August 29, 2010 and users were encouraged to transition to Mint.com.
Intuit completed the acquisition of competitor Mint.com on November 2, 2009, and has announced that it will be transitioning users to that service from Quicken Online.
The following are current (selling and supported) and retired (discontinued in both sales and support) versions of Quicken.
- Quicken 2015 for Mac
- Quicken (Deluxe, Premier, Home & Business, Rental Property Manager) 2015 for Windows
- Starter Edition 2014
- Deluxe 2014
- Premier 2014
- Home & Business 2014
- Rental Property Manager 2014
- Starter Edition 2013
- Deluxe 2013
- Premier 2013
- Home & Business 2013
- Rental Property Manager 2013
- Starter Edition 2012
- Deluxe 2012
- Premier 2012
- Home & Business 2012
- Rental Property Manager 2012
- Starter Edition 2011
- Deluxe 2011
- Premier 2011
- Home & Business 2011
- Quicken Essentials for Mac
- Quicken Mac 2007 OS X Lion compatible
- Quicken for Mac 2007
- Quicken for Mac 2006
- Quicken for Mac 2005
(Dates retired are shown.) 
- Starter, Deluxe, Premier, Home & Business, Rental Property Manager 2010
- Starter, Deluxe, Premier, Home & Business 2009 - April 30, 2012
- Basic, Premier, Deluxe 2008 – April 27, 2011
- Home & Business 2007
- Basic, Premier, Deluxe 2007 – April 30, 2010
- 2006 (Win) – April 30, 2009
- 2005 (Win) – April 30, 2008
- 2004 – April 30, 2007
- 2003 – April 25, 2006
- 2002 – April 19, 2005
- 2001 – April 19, 2005
- 2000 – May 18, 2004
- 98 and 99 – April 20, 2004
- Version 6 for Windows. "Designed for Windows 95. Release 6.0. (c) 1996"
- Quicken contains a sunset provision that stops online features and any QFX formatted files from working after a certain amount of time, requiring users to first buy a new Quicken license, and then to learn a new, often different interface from the more recent Quicken version.
- Intuit stopped supporting its Quicken software in the United Kingdom in 2005 leaving many thousands of users with only partly functional software.
- In 2008 and 2009, Quicken users reported an unusually large number of software bugs for a commercial product. A review of Quicken 2010 suggests that quality and user interface in that product year is dramatically improved.
- Existing Quicken Online users' data is not transferable/importable into Mint.com. This is in direct contrast to VP Aaron Patzer's promise, made on April 27, 2010: "[Until the merger with Mint.com is complete], you can continue to use Quicken Online just like you have. Once we have completed integrating all features to Mint, you will be able to easily transfer your information and data to ensure the smoothest transition possible."
- Quicken for the Mac lacks many of the features of the Windows version.
- To migrate to Lion, users must pay for an updated version of Quicken 2007. It has no new features.
- Many features of Quicken 2007 for Lion do not work (e.g., stock split transactions in investment accounts), and Intuit's support for this product is virtually nonexistent.
- "All Quicken Products". Intuit, Inc.
- International Versions of Quicken, Updated: 6/20/2011, quicken.intuit.com
- An April 2007 article in the San Jose Business Journal.
- Musgrove, Mike (2005-02-06). "'Sunset Policy' Stymies Loyal Quicken Users". Washington Post. Retrieved 2007-06-13.
- "Retirement of online services for older versions of Quicken". Intuit/Quicken. Retrieved 2007-06-13.
- Oates, John (2005-01-17). "Intuit UK kills Quicken and TaxCalc". The Register. Retrieved 2009-04-06.
- nathanau (2008-01-27). "Quicken Community - Quicken 2008 Bug List". Quicken Community. Retrieved 2009-04-06.
- thecreator (2008-08-28). "Quicken Community - Quicken 2009 Bug List". Quicken Community. Retrieved 2009-04-06.
- Elmblad, Shelley (2009-01-14). "The Best and Worst Features in Quicken". About.com. Retrieved 2009-04-06.
- Yardena Arar (2009-10-29). "Intuit Quicken Premier 2010". Quicken Premier. Retrieved 2010-01-16.
- "Quicken 2015 for Mac: Comparison Chart". Intuit. Retrieved 2014-08-21.