iPhone Duo Apps
Why it is on our watchlist
Reading beside notes is a study workflow we want to evaluate.
iPhone Duo support
Duo support is unverified. Apple lists Pencil (USB-C) support as coming later this year; do not assume launch-day support.
Support information checked 2026-09-09. The publisher has not been verified as offering a Duo-specific update.
Before you download
Check the current app version, device requirements and any subscription price on the publisher’s page. Availability may vary by country.