based on / according to
1- " I have changed the house based on her wishes"
2- " I have changed the house according to her wishes"

Could you please tell me the difference between these sentences ?

Question

based on / according to
1- " I have changed the house based on her wishes"
 2- " I have changed the house according to her wishes"

Could you please tell me the difference between these sentences ?

Answer

It's a good question.  In 2, you did more or less exactly what she asked.

In 1, you had more freedom to change the house as you wished, but at the same honouring her wishes regarding the central ideas e.g. colour, style, cost.

Answer

Maybe these sentences help you to feel the difference.
A film based on a true story.

It's all going according to my plan.