Is There an App?
NotanIzer
by bigpantsgroup LLC
Study light-dark composition in photographs.
iOSPaid
Visit official websiteWhat it does
NotanIzer offers photo transformations that separate light and dark values for exploring Nōtan composition.
Pricing
United States App Store download: $1.99 (USD), checked 2026-10-02. An upfront purchase is required.
Sources & verification
- NotanIzer: developer's App Store listing (United States)Primary source
Last verified: 2 October 2026. Features not listed here may be unverified.
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