Compare
FinatriX vs YNAB
YNAB is a subscription budgeting app built around the zero-based, give-every-rupee-a-job method. The FinatriX calculators are free, education-first models. They solve different problems, and this page says which is which.
How the free FinatriX calculators compare with YNAB: what each is built for, where YNAB is genuinely stronger, and which suits your question.