AppPriceData
Observed local App Store prices with one dated reference-currency comparison.
Among 5 observed Apple App Store storefronts, United States has the lowest reference-converted download price for Build A Train: $2.99 (about $2.99 using the 2026-08-15 reference-rate snapshot).
Rows are sorted by the USD reference conversion when a supported exchange rate is available. The local price and currency remain the original source values.
| Rank | Storefront | Local price | USD reference | Observed | Details | Official store |
|---|---|---|---|---|---|---|
| #1 | USUnited States | $2.99USD | $2.99 | August 8, 2026 | Country price | App Store ↗ |
| #2 | SGSingapore | S$ 3.98SGD | $3.11 | August 15, 2026 | Country price |
| App Store ↗ |
| #3 | KRSouth Korea | ￦4,400KRW | $3.12 | August 11, 2026 | Country price | App Store ↗ |
| #4 | JPJapan | ¥500JPY | $3.14 | August 8, 2026 | Country price | App Store ↗ |
| #5 | CHSwitzerland | CHF 3.00CHF | $3.70 | August 7, 2026 | Country price | App Store ↗ |