AppPriceData
Observed local App Store prices with one dated reference-currency comparison.
Among 9 observed Apple App Store storefronts, Taiwan has the lowest reference-converted download price for OilField Formulas iHandy Calc: $60.00 (about $1.87 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 | $60.00TWD | $1.87 | August 12, 2026 | Country price | App Store ↗ |
| #2 | JPJapan | ¥300JPY | $1.89 | August 12, 2026 | Country price |
| App Store ↗ |
| #3 | USUnited States | $1.99USD | $1.99 | August 6, 2026 | Country price | App Store ↗ |
| #4 | EGEgypt | EGP 99.99EGP | $2.00 | August 14, 2026 | Country price | App Store ↗ |
| #5 | DEGermany | 1,99 €EUR | $2.30 | August 12, 2026 | Country price | App Store ↗ |
| #6 | ESSpain | 1,99 €EUR | $2.30 | August 12, 2026 | Country price | App Store ↗ |
| #7 | FRFrance | 1,99 €EUR | $2.30 | August 12, 2026 | Country price | App Store ↗ |
| #8 | KRSouth Korea | ￦3,300KRW | $2.34 | August 12, 2026 | Country price | App Store ↗ |
| #9 | NGNigeria | ₦ 3,200.00NGN | $2.35 | August 7, 2026 | Country price | App Store ↗ |