That rather depends on whether you are looking at the best chance of a fast track airline cadet programme or simply having a basic licence that lets you jump into a very deep and very crowded pool.
As an aerial work licence which gives you a shot at becoming a flight instructor (with the additional ratings applied) or an air taxi pilot, or whatever entry level jobs are available, then yes modular is cheaper, and would hopefully help you get a first step on the career ladder.
For cadet programmes with most airlines, you would need to embark an an affiliated integrated training course with whatever supplier that particular airline subscribed to.
It is rather like buying a bicycle or a motorbike. One is definetaly cheaper than the other and makes a lot of sense financially. They will both hopefully get you want to go. However one should get you there more quickly than the other in most cases.
There are no guarantees, just choices.