Debt Book - IOU & Loan Tracker

Debt Book - IOU & Loan Tracker

Who Owes Me & Payment Reminder

5 ratings
5 reviews
Free
In-App PurchasesWith Ads

Details

Released
August 14, 2026
Updated
October 19, 2026

Features

Debt Book - IOU & Loan Tracker video #1 for iPhone
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Debt Book - IOU & Loan Tracker screenshot #10 for iPhone
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About

Easily track money lent and borrowed, including repayments and interest. Organize finances with multiple ledgers and secure your data with a PIN lock. Works offline with optional iCloud backup and export.

✓Record lend and borrow transactions
✓Track repayment history
✓Multiple ledgers (personal, business)
✓Interest calculator (simple/compound)
✓PIN lock for data security
✓iCloud backup and restore
✓JSON export
Show original description
+1

What's New in Debt Book

1.0.31

October 19, 2026

A fix for deleting contacts. FIXED • Deleting a contact from their page could sometimes close the app. It no longer does. • Going back after deleting a contact or a transaction is steadier too. When it happened, the contact you deleted was removed as you asked. Nothing else was lost.

More
3

Subscriptions & In-App Purchases

Monthly

Unlimited books, PDF export, priority support

$1.991 Month
14 Days trial
How to cancel Debt Book subscription ⁉️

User reviews

Great App for Tracking Debts

Simple, clean, and does exactly what I need. I can easily keep track of who owes me money and record repayments without any hassle. The interest calculation feature is really helpful too. Definitely worth trying!

Simple and Easy to Use

A really useful app for tracking money I've lent or borrowed. Clean interface, easy to manage payments, and the interest calculator is a nice bonus. Makes keeping track of debts so much easier!

Amazing experience!

I have been searching for this kind of app for a few years. This one full fills my need.

Response from developer

Thank you so much! It really means a lot to hear that Debt Book is the kind of app you’ve been looking for. I’ll keep improving it and adding useful features. ❤️

Overall good experience.

Best for tracking personal finance expenses.

Response from developer

Thank you for the great feedback! Glad to hear Debt Book is helping you keep track of your personal finances. More improvements are coming soon! 🙌

Nice

overall 100/100. best app for calculation

Response from developer

Thank you so much for the 5-star review! Really glad to hear Debt Book is helping with your calculations. Your support means a lot, and I’ll keep working to make the app even better. ❤️

Developer apps

FAQ

How does Debt Book calculate interest?

Debt Book allows you to set a simple or compound interest rate with daily, weekly, monthly, or yearly periods. The interest automatically recalculates when you log a payment.

Can I use Debt Book without an internet connection?

Yes, Debt Book works fully offline and does not require an account. Your data is stored locally on your device and optionally synced via iCloud.

What are the benefits of Debt Book Pro?

Debt Book Pro offers unlimited books and contacts, PDF export per transaction, iCloud backup and restore, and priority support. It can be purchased as a monthly subscription, a yearly subscription, or a lifetime one-time payment.

How secure is my data in Debt Book?

Debt Book protects your data with a 4-digit PIN lock and automatically locks when the app goes to the background. Your data is stored locally or on iCloud, not on external servers.

What is the update frequency for Debt Book?

The app was last updated on August 25, 2026, indicating active development. Users can expect ongoing improvements and bug fixes.

What devices does Debt Book support?

Currently, Debt Book supports iPhones. Future updates may expand compatibility to other Apple devices.

How do I cancel my Debt Book Pro subscription?

You can manage or cancel your auto-renewable subscriptions in your App Store account settings after purchase. Subscriptions must be canceled at least 24 hours before the end of the current period to avoid renewal charges.

Can I export my data from Debt Book?

Yes, Debt Book allows for JSON export for local backups. The Pro version also offers PDF export per transaction.