AppPriceData
Observed local App Store prices with one dated reference-currency comparison.
Among 6 observed Apple App Store storefronts, China mainland has the lowest reference-converted download price for Used Book Stock Ledger2026: ¥1.00 (about $0.15 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 | CNChina mainland | ¥1.00CNY | $0.15 | August 14, 2026 | Country price | App Store ↗ |
| #2 | USUnited States | $0.29USD | $0.29 | August 15, 2026 | Country price |
| App Store ↗ |
| #3 | TWTaiwan | $10.00TWD | $0.31 | August 15, 2026 | Country price | App Store ↗ |
| #4 | JPJapan | ¥50JPY | $0.31 | August 15, 2026 | Country price | App Store ↗ |
| #5 | DEGermany | 0,29 €EUR | $0.34 | August 13, 2026 | Country price | App Store ↗ |
| #6 | FRFrance | 0,29 €EUR | $0.34 | August 15, 2026 | Country price | App Store ↗ |