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Best Free Software Update Monitor

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Developers usually release new versions of software after improving its features, GUI, removing some bugs or when security weaknesses in earlier versions were fixed.  If you would like to keep the software on your computer up-to-date, you may find it difficult and time-consuming if you have many programs installed.  Sometimes software will automatically check for updates (such as Adobe Reader, Mozilla's Firefox and Thunderbird, Skype, iTunes, etc.), or it will update itself (e.g. Google Chrome) but this isn't true of all software.  That's where Software Update Monitors (SUMs) are useful.  A (sometimes) quick scan of your computer by one of these products will reveal which software is old and needs to be updated.

So, if you would like to know which tools I recommend to keep your software updated (and which I use to keep my software updated), read on.  Just a word of warning though, updated software may behave in a manner that is different to the version you have installed. Very rarely updates may have a bug that makes it unsafe to upgrade.  If you have any doubts, please do an internet search for any problems related to the upgrade.


There are different types of users that may wish to use update monitors, so I have separated them into four categories.  The first is for the security concious.  I recommend that everyone install this excellent application.  The second category is for people that want an easy way of keeping their software updated, the third is for intermediate/advanced users that don't mind taking some time to set up their software, while the final category is for Mac users.


Picture of Personal Software Inspector (PSI)Secunia's Personal Software Inspector (PSI) is an incredible software updater that all Windows users should have installed.  It may not keep your software updated when there are no known security issued related to the software, but it will ensure that your software is at the most secure it can be.  It will let you know which programs are patched, which are insecure and which are no longer maintained.  It even gives the installed software a rating related to its impact on the security of your computer.  After it has scanned your PC, it can remain open in the background to keep an eye on any changes you make.  It lists all your programs, and provides links to the vendor's homepage, technical details, the installation folder and "Add/Remove Programs".  If it detects software that requires patching, it will provide a link to the download page, or update the software itself.  Unfortunately, it's not perfect and does not support as much software as SUMo, but it works well and I would suggest using it occasionally to ensure your computer has no security flaws due to out-of-date software.


Screen shot of UDN scan resultsFileHippo's Update Checker (UDC) is fast and very easy to use, but detects only a limited number of programs (probably adequate for most users).  It scans quickly and takes you to a webpage that provides a list of the programs it detected and links to the FileHippo download page for the new software.  It also allows you to decide whether or not to view Beta software.  In order to detect portable software, you have to add the folder in which the program resides to the custom search space.  This makes it slower, and it still doesn't detect all software.  Instead it detects only the software that's available on the FileHippo website.  However, UDC does allow multiple folders of portable software to be added to the custom search space, thereby potentially reducing the search space and speeding up the search.  Beware though, there have been unconfirmed reports of UDC presenting problems to those users that have a non-English version of Windows installed.  Further feedback regarding this problem would be appreciated.

Intermediate/Advanced Users

Picture of Software Update Monitor (SUMo)My favourite software update monitor is KC Softwares' Software Update Monitor Lite (SUMo) and it may be the best software update monitor for expert users.  It's faster than Secunia's PSI, but slower than UDC and requires more bandwidth to check for updates than UDC.  During a normal scan SUMo will search your start menu for a list of programs, while a complete scan checks your "Program Files" folder, yielding more results that may require some selective elimination. SUMo also let's you decide whether or not you want to be notified about Beta software. Another feature that you may or may not like about SUMo is the result you obtain by clicking on the "Update" link for new software. Whereas PSI and Update Checker take you directly to a download page, SUMo takes you to a webpage with usage statistics about recent versions of the program, and displays the number of users who use each version. Although that may be interesting, there is no direct link to a download page. SUMo's page gives you links to five major download sites' search pages (which sometimes do not work with the information supplied by SUMo) and a link to a Google search for the software.  However, by not being restricted to a database of downloadable software, the SUMo database can support any software its users' SUMo report.

The advantage of SUMo is that it informs you of updates to software that is not limited to security updates (such as PSI) or availablity on FileHippo (UDC).  It also lets you add or remove programs to the list it scans for updates by simply dragging the executable into SUMo's open window; a feature not available on any other software update monitor (UDC allows one to add folders to the search space).  Unfortunately, some developers do not include version information in their binaries which makes it impossible for SUMo to detect updates for them. This is a problem for most software update monitors.  Unfortunately, when SUMo performs its first thorough scan it detects executable files that may not be the main executable files of your installed software.  Experienced PC users should therefore take care to add the executable files that should not be checked for updates to the ignore list.  Once this has been done, the unwanted executables will not appear in future scans.

SUMo Install LinkWARNING: Should you decide to download SUMo, please ensure that you download the "Lite" or ZIP/7z versions (find the ZIP/7z versions on the download page - the links with the 7z and ZIP icons - the "Lite" version is below that, where it says "Free of all sponsors download links", as indicated in the screen shot below).  The full version comes with a program called Relevant Knowledge, which is detected by most security software as spyware.  While I agree with many that have contacted me that the developer is (at best) damaging his reputation by bundling SUMo with RK, you may read his explanation here.  The NoRK version comes bundled with a SUMo toolbar.  The "Lite" version is identical to the full version, only without the spyware, and therefore deserves to be on this list.  The safest to use would be the compressed versions as they do not have installers that can add any unwanted software/keys to your system/registry.


Picture of AppFreshThe application AppFresh by metaquark is a very useful software updater for Macs.  It keeps applications, widgets and Apple components updated (you can select which ones you wish to include), making use of i use this to check which updates are available, and to supply direct download links.  Unfortunately, this means it sometimes informs me of updates that are not stable releases, even though one may choose to be informed of either stable or nightly builds.  It also reports that the update status of some software is unknown, even though it can detect the version correctly and find the correct entry in the online database.  Strange.  However, it is generally good and easy to use.  It is the only software update monitor I am aware of for Macs (I tried the Mac version of Software Informer, but it did not work), so if you are aware of others, please let me know.

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Related Products and Links
Other Software Update Monitors

Ketarin takes another approach at software updating.  It keeps your install files up-to-date.  Once installed, you have to point it to the download link of the software you wish to keep updated (or give it its FileHippo ID).  This is quite nifty if you have to keep a database of install files updated for software you may not have installed on your own machine.

Many users have posted other SUMs since this article was first published.  I will briefly cover some of them and tell you why I did not like them.

Update Notifier used to be my top pick, but it was a victim of its own success when the team was unable to scale their venture accordingly.  The project may be started again and I will keep you updated.

UpdateStar is a SUM that I find annoying to use.  It keeps asking if you wish to upgrade to a premium service and the user interface is quite cluttered.  The updates generally appear quite reliable, though it is not perfect.  It does not add anything that would make me want to use it over those listed in the review.

Software Informer has improved a lot.  It is very thorough, with the side-effect that it often informed me of updates that are not available, or it would inform me of an update for version I have installed because it interpreted the version incorrectly.  Probably the best of the updaters not discussed in the main discussion.  The Mac version is terrible.  I can't even get it to work.

TechTracker by CNET gives me a few concerns.  Their privacy policy states that they collect information about you and share it with other companies.  It also comes bundled with OpenCandy.  That should be enough to stay far away from it.  But, I decided to test it anyway so that you don't need to.  Seemed quite good since it has the might of CNET's database behind it.  Still, I'm not sure if it is worth it over UDC because of the privacy concerns.  I signed up with an email account that I created especially for it and have been getting spam (approximately once a week) from CNET since (GMail detects it as such).'s Software Update is slow with updates, does not make it clear which applications have updates and sometimes informs of updates that do not exist, or suggests updates that are not stable releases.

Software-UpToDate has recently been updated.  I will need to test it before making comments on it.  It seems that it does not support all software though.

There is a similar group of software that acts like a software manager, similar to the Synaptic Package Manager used by Ubuntu.  They give you access to a selected group of programs, install them and keep them up-to-date.  There are examples such as Appsnap, Appupdater and FreewareUpdater.  I could not get Appupdater to work and Appsnap and FreewareUpdater only supported a limited amount of software (and could not detect software that was already installed).  I feel these three programs belong in a different category and will not review them here.

RSS Feeds

There are some website RSS feeds I like to check for updates.  FreewareFiles has a great feed that list updates very quickly after they have been released, while Freeware-Guide gathers a list of software updated in a day and displays the list in an RSS feed the following day.  FileHippo and Softpedia also have RSS feeds for the latest additions to their databases.  Here are the five feeds:

If you would prefer the RSS feed of individual programs without using that program's homepage, FileHippo offers individual RSS feeds.

Related Topics
Have Your Say

Please visit our freeware forum to share and discuss your views and get advice on software update monitors. To post in the forum you need to register first but that's quick and immediate.

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Quick Selection Guide

Personal Software Inspector (PSI)
Runs as a stand-alone program on a user's computer
Points out insecure software (including Windows updates), easy to use
Slow scan, only security updates, limited database
5.08 MB
32 bit but 64 bit compatible
Free for private use only
There is no portable version of this product available.
Windows XP (SP3) to Windows 8
Update Checker (UDC)
Runs as a stand-alone program on a user's computer
Easy to use, direct download links, customize search space
Database limited to software on, sometimes poor software detection
258 KB
32 bit but 64 bit compatible
Unrestricted freeware
A portable version of this product is available from the developer.
Windows 98/ ME/ 2000/ 2003/ XP/ Vista/ 7/ 8
Software Update Monitor Lite (SUMo)
Runs as a stand-alone program on a user's computer
Ignore list, easily add portable software, less restricted than others
No direct download links, for more experienced user, too many results from in-depth scan, non-lite version bundled with spyware
1.47 MB
32 bit but 64 bit compatible
Unrestricted freeware
A portable version of this product is available from the developer.
Windows XP/Vista/7

Install the "Lite", 7z or ZIP versions
Alternate download link:

Runs as a stand-alone program on a user's computer
Easy to use, checks Apple and third-party software, direct download links, slick interface
Some false positives, newest versions are commercial products
2.1 MB
32 and 64 bit versions available
There is no portable version of this product available.
Mac OS X 10.5 - 10.8


This software review is copy-edited by Glyn Burgess. Please help edit and improve this article by clicking here.



Software updater, software update monitor, software update notifier, software monitor, software update checker, software update searcher, Personal Software Inspector, Update Notifier, Update Checker, PSI, UDC, SUMo, AppFresh

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Average: 4.2 (118 votes)
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by FrankO on 25. June 2012 - 7:38  (95332)

Thanks AJ, I will look into it.

by MidnightCowboy on 28. June 2012 - 15:39  (95471)

This one does look interesting and I appreciate the speedy response in their forum but there does appear to be quite a few bugs including trying to download and install x64 bit software into a x32 bit system. Maybe just needs a little more time to mature.

by Dewa (not verified) on 14. June 2012 - 1:06  (94817)

AVG Internet Security 2012 detect SuMO as a trojan... password stealer... :(

by FrankO on 18. June 2012 - 9:32  (95047)

I scanned the sumo_lite.exe files at and got a score of 1/42 (for the file from KCSoftwares site and Softpedia), suggesting that it may be a false positive.

by Kartik3e (not verified) on 7. June 2012 - 16:17  (94539)

You guys need to review filerex update checker too :

by Aitch (not verified) on 27. May 2012 - 0:08  (94018)

What do people think of ?

by MidnightCowboy on 27. May 2012 - 6:01  (94028)

Everyone has their own opinion but the main thrust of this site seems to be to promote their links to commercial programs, some of which are red rated by WOT (Web Of Trust). On this basis alone I wouldn't go near it, but that's just me. :)

by Aitch (not verified) on 27. May 2012 - 10:14  (94031)

Yes I agree. But I have installed the AllMyApps software and use only trusted freeware programs and so far it works exceptionally well at keeping everything updated. I am just wondering why Gizmo doesn't have a review of it?

by MidnightCowboy on 27. May 2012 - 10:52  (94032)

It is up to the category editor which programs he chooses to include or not.

by George.J on 14. April 2012 - 4:34  (92070)

Here's a new software updates monitor from Glarysoft, Software Update.

Seems good for a new release, shows number of users of a particular product in their database, their comments and the like. There's also an option to check for beta updates to a particular software. One of the major downside is that, it checks for updates only for the products installed. For now, there's no way of manually adding portable applications for checking updates and also no direct links to product page from software author but only from Glarysoft database. But overall it's good.

by Tax Man (not verified) on 5. June 2012 - 11:58  (94428)

Took a look at the Glarysoft update monitor and it seems to report a lot of errors. Versions that do not exist or do not apply to my system. It reminds me of "Software Informer."

by CaptainMunch on 30. March 2012 - 4:17  (91407)

Does anyone care for the secunia 3.0 Beta ? every time i open it, it tells be to run a scan,even after i ran one plus i can't configure it. Is there anything better that most seem to like? Thanks

by MidnightCowboy on 30. March 2012 - 5:22  (91411)

I certainly don't like it, but that's just my opinion. I'll be sticking with V2.

by FrankO on 19. March 2012 - 11:06  (90829)
by Lisa (not verified) on 7. March 2012 - 7:52  (90043)

Be careful when running automatic software updates with those updaters. I used Secunia's Personal Software Inspector (PSI). And when it updated my software automatically, I ended up having two installations of CDBurnerXP. The reason for this is that for CDBurnerXP I had ad-free version installed. But PSI doesn't know to distinguish this and when there was an update available, it installed the new version additionally to the ad-free version. Thus, it installed OpenCandy on my computer without my knowledge. So be careful when using software updaters in conjunction with potential adware.

by FrankO on 7. March 2012 - 8:30  (90044)

That is very good advice!

by Kyle_Katarn on 11. March 2012 - 16:33  (90236)

That's the main reason why SUMo does not support auto-install : we want to keep end user in the loop, anytime !

by Anonomito (not verified) on 27. February 2012 - 23:58  (89613)

Are there any privacy concerns with Secunia as far as accessing info from your pc when evaluating and then calling home?

by FrankO on 28. February 2012 - 6:24  (89626)

Not that I am aware of. It is recommended by many tech sites and I have not seen any of them bring up any concerns.

by Teo on 17. January 2012 - 17:37  (87324)

Did someone have a chance to use Software Update by Glarysoft? It looks not bad form the spot, but I’ve found some errors in software versions for some soft. Very similar to SUMo and also free. Their software DB claims to have 167770 programs for monitoring at this moment.

Here is the link:

by Rudi (not verified) on 17. January 2012 - 9:35  (87296)

I am not sure that SUMo still deserves to be on this list. I downloaded their most recent version today 17 Jan 2012, using the NoRK version, which I always use, and I was forced to work my way through not accepting their new Babylon toolbar THREE times. That's right - I unchecked the boxes once near the beginning, then had to do it again near the end, plus clicking Decline (on the left side of the dialog box, not where you'd expect). Then when I thought I was done, the offer popped up again, and I had to uncheck all the boxes a third time. Plus, like so many other software, they auto launch a browser tab after installation. I am now searching for an alternative; possibly the 7z portable version is better? If you have an answer to whether the 7z version does or does not include the Babylon toolbar, and whether one can turn of the browser launch, please post a response!

by FrankO on 17. January 2012 - 11:33  (87302)

Hi Rudy

Try download the Lite (sumo_lite.exe) or compressed versions. The NoRK version unfortunately does include unwanted stuff, but the developer does provide a link (see the third paragraph of the section on SUMo) to a version without any unwanted stuff (the lite version).

I hope this helps.

by Rudi (not verified) on 17. January 2012 - 11:58  (87304)

Thanks Frank - wow that is really unkindly well hidden.

by Teo on 17. January 2012 - 10:42  (87301)

7z version is completely free of everything. I’ve switched to it a long time ago as all installations packs are horrible form the point of view of the number of sponsored software.

sumo.7z consists of SUMo.exe and 28 .SPK files which are language files for interface translation. That’s it and nothing else. All you need is to unpack and place to any folder including the same where previous SUMo version has been installed (just override all files).

by Brolly (not verified) on 14. January 2012 - 4:08  (87152)

I like Sumo lite but Emsisoft anti-malware free keeps picking it up as malware. I know I'm getting the lite 'sponsered free' version so it's not the normal version I know.

Is anyone else getting this? Maybe I should contact emsisoft.

by A_Nonny_Mush (not verified) on 14. January 2012 - 4:20  (87155)

The Sumo Lite version that you can download from Softpedia, scans as totally clean on VirusTotal. Submit it to Emsisoft as a false positive with a link to the VirusTotal scan.

by jwright on 8. January 2012 - 13:55  (86820)

Just downloaded the lite version of SUMo ( dated Jan 6, 2012. The installation program attempts to load numerous browser bars and add-ons. There are at least four programs you need to decline or choose custom installation to avoid installing. I understand the vendor is trying to help offset the cost of the software development but novice users could easily install unnecessary programs.

by FrankO on 10. January 2012 - 8:29  (86925)

I'm sorry you had to go through that, but it seems that you may have installed the normal version, or the NoRK version. I downloaded the "lite" version and did not have any additional software to deal with.

by Rudi (not verified) on 17. January 2012 - 9:41  (87297)

Hi Frank - I at least am sure that I used the NoRK version, and I had to uncheck at least 9 boxes plus catch the Decline rather than Accept button to be certain I did not install a Babylon toolbar. And the decline is a nasty trick - of course my mind says I accept the installation without the toolbar, but a careful read reveals the truth - I needed to check decline. And I assure you - the sumo_nork install file is still in my recycle bin.

by topman (not verified) on 14. December 2011 - 11:52  (84996)

Just took SUMo off my system! Latest update wants to install much too much other stuff as well. Even when you decide to opt out at the start of the new set-up it persists later on.
Too many boxes to be un-ticked and to be aware of. TOO INTRUSIVE!
(Used to be one of my my favourite bitsof kit - pity!)