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 Understanding Inferences Fun Deck: $3.99 (about $3.99 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 | $3.99USD | $3.99 | August 11, 2026 | Country price | App Store ↗ |
| #2 | DEGermany | 3,99 €EUR | $4.62 | August 12, 2026 | Country price |
| App Store ↗ |
| #3 | ESSpain | 3,99 €EUR | $4.62 | August 12, 2026 | Country price | App Store ↗ |
| #4 | KRSouth Korea | ￦6,600KRW | $4.68 | August 12, 2026 | Country price | App Store ↗ |
| #5 | GBUnited Kingdom | £3.99GBP | $5.40 | August 7, 2026 | Country price | App Store ↗ |