AppPriceData
Observed local App Store prices with one dated reference-currency comparison.
Among 6 observed Apple App Store storefronts, Japan has the lowest reference-converted download price for 係数計算機: ¥300 (about $1.89 using the 2026-08-09 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 6, 2026 | Country price | App Store ↗ |
| #2 | USUnited States | $1.99USD | $1.99 | August 8, 2026 | Country price | App Store ↗ |
| #3 | DEGermany | 1,99 €EUR | $2.30 | August 8, 2026 | Country price | App Store ↗ |
| #4 | ESSpain | 1,99 €EUR | $2.30 | August 8, 2026 | Country price | App Store ↗ |
| #5 | FRFrance | 1,99 €EUR | $2.30 | August 8, 2026 | Country price | App Store ↗ |
| #6 | KRSouth Korea | ￦3,300KRW | $2.33 | August 8, 2026 | Country price | App Store ↗ |