U.S. Inland Navigational Rules prices by country

Observed local App Store prices with one dated reference-currency comparison.

Regional price summary

Among 7 observed Apple App Store storefronts, Taiwan has the lowest reference-converted download price for U.S. Inland Navigational Rules: $90.00 (about $2.81 using the 2026-08-16 reference-rate snapshot).

Lowest observed: Taiwan · $90.00
Highest observed: Nigeria · ₦ 4,900.00
Observed storefronts: 7
Observed spread: 28% vs. lowest
Rate date: 2026-08-16
Latest observation: August 16, 2026

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Observed App Store prices

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.

USD rates · 2026-08-16

Rank	Storefront	Local price	USD reference	Observed	Details	Official store
#1	TWTaiwan	$90.00TWD	$2.81	August 16, 2026	Country price	App Store ↗
#2	USUnited States	$2.99USD	$2.99	August 7, 2026	Country price