About this app

Explore the economy by following the flow of pink water! A faithful recreation of the landmark hydraulic computer created by economist Bill Phillips in 1949 — designed from the ground up for Apple Vision Pro. Take a guided tour or carry out your own experiments — it's economics as you've never experienced it before! Features BREATHTAKINGLY REALISTIC MODEL - Created from detailed scans of a restored original Mk II Phillips machine at the University of Cambridge - Think of money as water - flick the switch and see it flow through the economy! - Fully interactive! Adjust taxes, government spending, consumption expenditure, savings and interest rates, imports and exports and see the results of your interventions plotted in real time ADDITIONAL MATERIALS - Guided tour of machine explains its history and basic operation - Step-by-step lesson explains the circular flow of income, a key economic concept for students

Audience growth

Ratings growth

Steady

7-day gain +0

Ratings / day 0.0

30-day gain +0

US rating-count history

0 ratings

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking