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 GRE Math Knight: $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 12, 2026 | Country price | App Store ↗ |
| #2 | JPJapan | ¥500JPY | $3.14 | August 11, 2026 | Country price |
| #3 | DEGermany | 2,99 €EUR | $3.46 | August 12, 2026 | Country price | App Store ↗ |
| #4 | FRFrance | 2,99 €EUR | $3.46 | August 12, 2026 | Country price | App Store ↗ |
| #5 | VNVietnam | 99.000đVND | $3.77 | August 6, 2026 | Country price | App Store ↗ |