AppPriceData
Observed local App Store prices with one dated reference-currency comparison.
Among 2 observed Apple App Store storefronts, Taiwan has the lowest reference-converted download price for 賴世雄英文文法--容易學，好吸收！: $190.00 (about $5.88 using the 2026-08-08 reference-rate snapshot).
Local storefront prices remain the source records. USD values are informational reference conversions from one dated exchange-rate snapshot and can differ from taxes, card settlement, or final checkout pricing.
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 | TWTaiwan | $190.00TWD | $5.88 | August 3, 2026 | Country price | App Store ↗ |
| #2 | USUnited States | $5.99USD | $5.99 | August 3, 2026 | Country price | App Store ↗ |