AppPriceData
Observed local App Store prices with one dated reference-currency comparison.
Among 6 observed Apple App Store storefronts, Taiwan has the lowest reference-converted download price for Rapid & Quick Calculator Pro: $120.00 (about $3.75 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 | TWTaiwan | $120.00TWD | $3.75 | August 7, 2026 | Country price | App Store ↗ |
| #2 | JPJapan | ¥600JPY | $3.77 | August 6, 2026 | Country price |
| App Store ↗ |
| #3 | USUnited States | $3.99USD | $3.99 | August 7, 2026 | Country price | App Store ↗ |
| #4 | CNChina mainland | ¥28.00CNY | $4.15 | August 6, 2026 | Country price | App Store ↗ |
| #5 | VNVietnam | 119.000đVND | $4.54 | August 6, 2026 | Country price | App Store ↗ |
| #6 | KRSouth Korea | ￦6,600KRW | $4.68 | August 6, 2026 | Country price | App Store ↗ |