Compare
FinatriX vs PocketSmith
PocketSmith is a budgeting and cash-flow forecasting tool built around a calendar view of future balances. 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 PocketSmith: what each is built for, where PocketSmith is genuinely stronger, and which suits your question.