SuperMemo.com

Updated: Nov 20, 2013

Version	Advantages	Disadvantages	Platform(s)	Price
SuperMemo 16 (2013)	most powerful SuperMemo ever incremental learning incremental reading priority queue Unicode support visual learning incremental video sleep optimization	most expensive complex runs only in Windows requires Internet Explorer	Windows Vista or later	$60
SuperMemo 15 (2011)	incremental reading priority queue Unicode support visual learning incremental video sleep optimization	old learning material must be converted to Unicode expensive complex runs only in Windows requires Internet Explorer	Windows 2000 or later	$40
SuperMemo 14 (2008)	incremental reading priority queue visual learning incremental video sleep optimization	incomplete Unicode support complex runs only in Windows requires Internet Explorer outdated Wikipedia and YouTube import filters	Windows Vista Windows XP Windows 2000	$20
SuperMemo 13 (2006)	incremental reading priority queue	incomplete Unicode support requires Internet Explorer 6.0 expensive outdated Wikipedia import filter	Windows 2000 Windows XP Windows Vista¹	$10
SuperMemo 12 (2004)	free incremental reading	requires Internet Explorer 6.0 no Unicode in Contents	Windows 2000 Windows XP Windows NT 4.0 Windows 98	free ($2 registration entitles to a Freeware Upgrade)
SuperMemo 11 (2002)	free rudimentary incremental reading	poor Unicode support no XML exchange with other SuperMemos requires Internet Explorer 6.0	Windows 2000 Windows XP Windows NT 4.0 Windows 98	free ($1 registration entitles to a Freeware Upgrade)
SuperMemo 10 (2000)	free	does not support HTML in incremental reading	Windows NT 4.0 Windows 98 Windows 2000¹ Windows 95² Windows ME³	free ($1 registration entitles to a Freeware Upgrade)
SuperMemo 9 (1998)	free reliable rich multimedia functions	no incremental reading no reading lists	as above	free ($1 registration entitles to a Freeware Upgrade)
SuperMemo 8 (1997)	still runs in Windows 3.1	no incremental reading slow no HTML no long filenames 16-bit application	Windows 3.1 or later	free ($1 registration entitles to a Freeware Upgrade)
SuperMemo 7 (1995)	free fast reliable simple	no incremental reading no HTML only one picture and one sound file per item	Windows 3.1 or later	free ($1 registration entitles to a Freeware Upgrade)
SuperMemo 6 (1992)	runs in DOS	no incremental reading no mouse support no sound no pictures cannot run in Windows NT in MS DOS Prompt	DOS, 16-bit Windows DOS Prompt	free
SuperMemo for Pocket PC (1999-2009)	portability simplicity highly acclaimed supports SuperMemo XML data exchange	no incremental reading pictures only in HTML sound only in HTML	Windows CE, Pocket PC, SH3, MIPS, ARM, and more	free ($2 registration entitles to a Freeware Upgrade)
SuperMemo for Palm OS (2000-2006)	portability simplicity reliability highly acclaimed	no incremental reading currently without pictures currently without sound XML exchange expected soon (Q2 2007)	Palm OS	$19.95
Multimedia SuperMemo (2000-2005)	most user-friendly interface (see: examples) simplicity voice recognition	no incremental reading self-learning functionality comparable with SuperMemo 98 not available as a stand-alone discontinued as of 2006	Windows 95 or later, Windows NT 4.0 or later	CDs and DVDs only
SuperMemo UX (2006)	easy to use ready courses for learning languages	currently, no incremental reading currently, not available as a stand-alone	Windows 2000, Windows XP, Windows Vista	free
On-line SuperMemo (2001-2011)	learn anywhere in the world repetitions can be made in a web browser or on a mobile phone no installation ready-made collections learning via e-mail	requires access to the Internet no incremental reading your data is stored on the supermemo.net server	any	free on a large subset of material; subscription fee per access or per course
SuperMemo for Linux	Linux	unreliable	Linux	N/A

Versions not recommended: SuperMemo 2 for DOS (freeware), SuperMemo 5 for DOS (freeware).
Versions recommended instead: Use SuperMemo 6 for DOS (freeware), SuperMemo 7 for Windows 3.1 (freeware), or SuperMemo 98 for Windows (freeware).

Versions cancelled: SuperMemo 3.0 for Amiga and SuperMemo 1.0 for Mac have been discontinued and are no longer available. See also: SuperMemo for Mac.

Versions that have never been: SuperMemo for Psion (1996)(ditched in development), SuperMemo for Atari ST (1988)(lost), SuperMemo for Atari XL (1988)(lost), eSuperMemo (1999)(student project; not completed), SuperMemo 3 and 4 for DOS (never released commercially), SuperMemo 7 for DOS (ditched in development), Java SuperMemo 2000 (ditched in development), SuperMemo Quizzer (ditched in development), SuperMemo for Linux (Kylix) may not see the light due to porting problems (based on SuperMemo 2000).

SuperMemo 1.0 wanted: It is possible that no archive copies of SuperMemo 1.0 for DOS survived. This was the first SuperMemo ever. If you still have a copy, please write

Best SuperMemos to consider (Nov 2013):

SuperMemo 16 for Windows - most powerful SuperMemo to-date
On-Line SuperMemo - runs in your web browser (anytime, anywhere)
SuperMemo 12 (2004) for Windows - it may be a bit old, but it is free and it includes incremental reading

Footnotes:

Windows Vista: SuperMemo needs unimpeded access to the collection files. This requires a few tweaks in the setup to make SuperMemo 2006 run correctly (this does not affect SuperMemo 2008 or later)
Windows 2000: SuperMemo 2000 working with Windows 2000 shows minor incompatibilities in RTF text component processing
Windows 95: SuperMemo for Windows may not work correctly in older installations of Windows 95. You may need to install the newest service packs. Installing Internet Explorer 6.0 is necessary
Windows ME: SuperMemo for Windows shows performance problems in Windows ME. These, among others, result from a different file caching in Windows ME as well as a memory leak bug documented in Windows ME.

Which SuperMemo?