Love the idea. Took a bit of time to understand
Cute concept, surprisingly fun to use.
We now send each other silly slips instead of simple transactions!
We now send each other silly slips instead of simple transactions!
Free
Details
About
This app helps you record personal promises and favors, focusing on relationships and trust rather than monetary debt. It serves as a digital reminder of bonds between people, like offering a massage or a future coffee. It's designed to cherish connections and the spirit of giving.
✓Record personal promises
✓Track favors and bonds
✓Digital note of promises
✓Focus on relationships
✓Reminder of trust
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What's New in IOU Slip
1.0.1
February 13, 2026
What’s New in This Version • Added a new onboarding experience to help first-time users get started smoothly • Improved visual details and interaction feedback across the app • Refined layout and animations for a more natural, tactile feel • General stability and performance improvements This update makes IOU Slip clearer, calmer, and easier to use from the very first launch.
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FAQ
What is IOU Slip used for?
IOU Slip is used to record personal promises and favors, such as 'I owe you a massage' or 'Next coffee is on me.' It focuses on remembering bonds and trust between people, not financial debt.
Is IOU Slip a debt tracking app?
No, IOU Slip is specifically designed to record promises and favors as a reminder of trust and relationships, not as financial debts. It emphasizes the personal connection over monetary obligations.
What kind of promises can I record in IOU Slip?
You can record any personal promise or favor, like offering help, a future treat, or a gesture of goodwill. The app is for documenting these non-monetary commitments.
Does IOU Slip have ads?
No, IOU Slip does not contain advertisements. It offers an ad-free experience for users to manage their promises.
What devices does IOU Slip support?
IOU Slip is currently supported on iPhone devices. It is not yet available for other platforms like Android or tablets.
How often is IOU Slip updated?
IOU Slip was last updated on February 13, 2026, with version 1.0.1. Future updates will depend on developer plans for new features or bug fixes.
What is the age rating for IOU Slip?
IOU Slip has an age rating of 17+. This is likely due to the app's focus on personal relationships and potentially mature themes of trust and commitment.
Is IOU Slip free to use?
Yes, IOU Slip is completely free to download and use. There are no in-app purchases or subscription fees associated with the app.