Create professional agreements and manage payments effortlessly. Draft documents using AI, e-sign, and track invoices and due dates in one organized platform. Secure sign-in ensures your data is protected.






186+ iOS apps curated and reviewed
With an average user rating of 4.5★, the iou category is one of the App Store's strongest. Browse all 186+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (8) | Yes | No | Jul 2026 | |
| 2 | Free | 4.6★ (769) | No | Yes | Jul 2026 | |
| 3 | Free | — | No | No | May 2026 | |
| 4 | Free | 4.8★ (116) | No | Yes | Jul 2026 | |
| 5 | Free | 3.9★ (26K) | No | Yes | Jul 2026 | |
| 6 | Free | 4.5★ (345) | No | Yes | Jul 2026 | |
| 7 | Free | 4.3★ (16) | No | Yes | Jul 2026 | |
| 8 | Free | 4.3★ (131) | No | Yes | Jul 2026 |






Create professional agreements and manage payments effortlessly. Draft documents using AI, e-sign, and track invoices and due dates in one organized platform. Secure sign-in ensures your data is protected.






Easily track money lent and borrowed, and split expenses with friends. This app helps you remember debts, manage payments, and provides an overview of your financial obligations. It offers features like cloud sync, currency support, and data export.






Easily manage and track personal debts, loans, and shared expenses. Record money owed or owing, with automatic calculations and reminders to ensure you never miss a payment. Syncs across devices for seamless financial management.


Easily track shared expenses with friends and family, eliminating the stress of who owes whom. Organize group bills for households, trips, and more with a simple, intuitive interface. Supports multiple currencies and payment integrations.


This app helps manage money shared between friends, family, or partners. It tracks loans, splits bills, and facilitates clear communication about debts and repayments with built-in message templates and professional statements.


Effortlessly split bills with friends by scanning receipts. The app itemizes purchases, assigns them to individuals, and calculates each person's total including tip and tax. Avoid manual calculations and ensure fair payment among your group.


Easily track money lent and borrowed, ensuring you never forget debts. Manage multiple contacts, loans with interest, and partial payments. Secure your data with passcode and Touch ID, and receive timely reminders.


This app helps you manage debts, loans, and finances with features like joint tracking, payment reminders, and detailed analytics. It provides a secure way to organize your financial obligations and maintain a history of paid debts.


Easily track money owed to you with this intuitive debt manager. It provides a clear overview of all outstanding debts and sends reminders for unpaid amounts, ensuring you always know where your money is.


Easily track money lent and borrowed among friends and family. Manage multiple debts per person, add contacts directly, and set reminders. Send email or SMS notifications to ensure you get paid back.




Manage your finances with free credit score updates, personalized saving insights, and easy comparison of loans and credit cards. Stay protected with credit monitoring alerts and expert advice to improve your financial health.


Effortlessly manage your finances with this comprehensive budgeting and expense tracking app. Monitor spending, track debts and credits, and gain insights into your financial health with detailed reports and customizable features.


Easily manage all your financial commitments, whether you owe money or are owed. Track debts and receivables by currency, plan your debt payoff, and monitor monthly progress. Stay organized and in control of your finances with this intuitive money tracking app.


Easily track shared expenses and IOUs for groups like travelers, flatmates, or friends. Handles complex splits, multiple payers, incomes, and items from bills. Works offline and across platforms, minimizing transfers and offering real-time exchange rates.


This app allows users to express gratitude through digital tokens and share stories of kindness. Users can earn rewards for positive actions and convert them into a unique cryptocurrency. It aims to build a social network centered around appreciation and recognition.


Manage personal debts and track payments effectively. Record who owes you money and who you owe, with detailed insights into each debt. Facilitates flexible payment tracking and provides a history of all debts.


Monitor your home and loved ones with this app, offering remote viewing, two-way talk, and intelligent alerts. Securely store footage in the cloud and easily share access with family.


Easily track money lent to friends or borrowed from family. Record payments, set reminders, and manage all your personal loans and IOUs in one private place. Focuses solely on interpersonal debt, not general expenses.