Nubnote is a notes app for iPhone with Apple Watch support. Type or dictate a thought and Nubnote sorts it for you: it titles each note, groups related notes into collections, and surfaces them in a clean stream. Capture from widgets, the lock screen, the share sheet or Apple Watch. The site describes it as account-free and ad-free, with optional iCloud sync. Smart features need an Apple Intelligence device running iOS 26.

Built by an indie developer who wanted capturing thoughts on iPhone to be effortless: open the app, write, and let the app handle titles, grouping and organization automatically.