ListDuet
Shared notes & lists for two
About
This app provides a private, synchronized space for two people to manage notes, checklists, and shared expenses. It offers rich text formatting, nested organization, and real-time syncing, with features for budgeting and tracking shared payments.
What's New in ListDuet
1.3.0
October 10, 2026
- Expenses & Debt Tracking got a facelift. - Lots of behind the scenes updates.
Developer apps
FAQ
What is ListDuet?
ListDuet is a private digital space designed for two people to share notes, create checklists, and track expenses together. It focuses on a one-to-one sharing model without any social feeds or team functionalities.
How does ListDuet sync data?
ListDuet syncs data automatically and in real-time between the two paired iPhones. It also works offline, saving changes locally and syncing them once a connection is re-established.
Can I use ListDuet on multiple devices?
ListDuet is designed for two people, pairing two iPhones. While private items sync across your own devices, the core shared functionality is limited to the two paired users.
What kind of notes can I create in ListDuet?
You can write rich text notes with options for bolding, colors, and bulleted or numbered lists. Notes can be organized into deeply nested folders and reordered by dragging.
How does ListDuet handle shared expenses?
ListDuet allows you to track shared expenses for trips or projects, showing a running total and budget remaining. It also tracks who paid what and who owes whom, with options to tag spending and set currencies.
What is the pricing for ListDuet?
ListDuet is a paid application, available for a one-time purchase of $5.99. There are no subscription fees or in-app purchases mentioned.
Is ListDuet suitable for families or larger groups?
No, ListDuet is specifically designed for a private, one-to-one sharing experience. It is capped at two users and does not support sharing with larger groups or teams.
How often is ListDuet updated?
The latest version, 1.2.0, was released on August 14, 2026, indicating regular updates. The app was initially released on June 10, 2026.