Product testing means when any company does testing for
their own (company's) product ex... Nortan AntVirus is the
Symantec's product; if Symantec test the Nortan ie. called
as the Product testing.
Where as if any company take some projects from some other
companies like ABC company takes projects from IBM and test
that project on some charges ie called as Application Testing.

Product is generic where as appliaction is moree specific.

Product testing is defferent from Application testing in a 
sence that the SDLCs vary between them. If SDLC vary the 
testing processess vary. The testing types those can be 
carried out on them can vary. In case of Products generally 
the requirements are concrete and a simple water fall SDLC 
or tailored WF SDLC is followed. So the Alpha, Beta, UAT 
(Sometimes) are irrelevant to the application/services 
based testing.

Let me know if it can be improved.
Thanks
jagadeesh

dear! if we know the difference between the prodect and 
application then the asnwer is ........!
Microsoft VIAST is a product
Yahoo! web site is a application.
so ............answer is with you now ..!

regards
ASAD.

In Product testing we can test our own idea(thought) and 
scenario which is related to the product.....but in the 
application it is impossible b'cas client mentioned their 
requirements in the SRS..we couldn't test beyond this. but 
in the product you can....

I totally agree with ASAD; when testing a product the 
process or testing lifecycle varies when compared to 
application testing. Testing levels such as ALFA & BETA 
testing will be included in a product testing before the 
actual release. In an application testing u can see stages 
such as UAT before the application goes to production. 

Its a good question which requires careful understanding 
about the application under test and who are going to be 
the end users...