Difference between SDLC and STLC

Software Development Life Cycle (SDLC) is a sequence of different activities performed during the software development process.





Software Testing Life Cycle (STLC) is a sequence of different activities performed during the software testing process.





Difference between SDLC and STLC:

SDLC STLC
SDLC is mainly related to software development. STLC is mainly related to software testing.
Besides development other phases like testing is also included. It focuses only on testing the software.
SDLC involves total six phases or steps. STLC involves only five phases or steps.
In SDLC, more number of members (developers) are required for the whole process. In STLC, less number of members (testers) are needed.
In SDLC, development team makes the plans and designs. In STLC, testing team makes the plans and designs.
Goal of SDLC is to complete successful development of software. Goal of STLC is to complete successful testing of software.
It helps in developing good quality software. It helps in making the software defects free.
SDLC phases are completed before the STLC phases. STLC phases are performed after SDLC phases.



My Personal Notes arrow_drop_up

Check out this Author's contributed articles.

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.




Article Tags :

Be the First to upvote.


Please write to us at contribute@geeksforgeeks.org to report any issue with the above content.