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In-App PurchasesDuo-native
Your workspace, unfolded.
On the Duo: Duo-native. Version 7.1.34 (1 November) is optimised for the Duo, its release notes say: a two-level toolbar, a reading mode and layouts for folded, half-folded and open. Checked November 5, 2026.
App Store data as of November 5, 2026

Pen-first skeptics; this assumes handwriting is the point.
Goodnotes pairs notebooks, PDF markup and typed pages.
Version 7.1.34 (1 November) optimised it for the iPhone Duo, its release notes say, with a new two-level toolbar, a reading mode and layouts that adapt to the folded, half-folded and open phone.