Flash mental calculation prices by country

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

Regional price summary

Across 3 observed Apple App Store storefronts, Flash mental calculation is free to download in every stored observation. Each country row keeps its own storefront and observation date.

Observed storefronts: 3
Download price: Free in all stored observations
Reference currency: USD
Rate date: 2026-08-15
Latest observation: August 13, 2026

Full app details How comparisons work

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 · 2026-08-15

Rank	Storefront	Local price	USD reference	Observed	Details	Official store
#1	JPJapan	無料JPY	$0.00	August 8, 2026	Country price	App Store ↗
#2	TWTaiwan	免費TWD	$0.00	August 13, 2026	Country price	App Store ↗