AppPriceData
Observed local App Store prices with one dated reference-currency comparison.
Among 4 observed Apple App Store storefronts, Japan has the lowest reference-converted download price for Know Your Brain Age: ¥300 (about $1.89 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 | JPJapan | ¥300JPY | $1.89 | August 12, 2026 | Country price | App Store ↗ |
| #2 | USUnited States | $1.99USD | $1.99 | August 5, 2026 | Country price |
| #3 | CNChina mainland | ¥15.00CNY | $2.23 | August 14, 2026 | Country price | App Store ↗ |
| #4 | MXMexico | $39.00MXN | $2.29 | August 15, 2026 | Country price | App Store ↗ |