These programs exist because most training advice online is either too vague to follow or too complicated to stick to. What is written here is the structure I would give someone who walked into the gym and asked what to do today, and then again tomorrow, and again the week after that.
Every program is laid out session by session. Exercises, sets, reps, rest and load guidance are already decided, so the only thing left is to show up and run it. There is no app to log into and no subscription. You buy the file, you download it, and it is yours to keep.
If you would rather start with the numbers than the training, the free macro calculator will give you a calorie and macro target to work from.