# Costbook: Expense Tracker — Budget & Group Expense Tracker

> Expense tracker for personal and shared budgets with receipt scanning. (iPhone/iPad app by Mesut Altuncu.)

- Source: https://appshunter.io/ios/app/costbook-expense-tracker/id6821447451 (this page in markdown: same URL + `.md`)
- Developer: [Mesut Altuncu](https://appshunter.io/developer/1624955662)
- Category: Finance, Travel
- Price: Free with in-app purchases
- Rating: 5.00/5 from 2 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.0 · 39 MB
- Languages: American English, Arabic, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French (France), German (Germany) and 23 more
- Released: 2026-10-16
- Data updated: 2026-10-29
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/costbook-expense-tracker/id6821447451/reviews.md

## What is Costbook?

Costbook is a simple, good-looking expense tracker. Log what you spend in seconds, set budgets and see where your money goes: your monthly spending, a trip, a wedding or any project.

When costs are shared, invite others to a list and Costbook works out who owes whom. Friends join for free.

TRACK YOUR SPENDING
• Add an expense in seconds, in any currency
• Separate lists for every budget: monthly spending, trips, events, projects
• Set a budget for each list and see what's left
• Charts by category, payment method and person
• Search every expense across all your lists

SCAN INSTEAD OF TYPING
• Scan a receipt or bill and let AI fill in the amount, merchant, category and date
• Keep receipt photos with every expense

SHARE WHEN YOU NEED TO
• Invite others with a link or QR code; they join for free
• See who owes whom at a glance and record payments
• Get notified when someone adds an expense

WHEREVER YOU ARE
• Home Screen and Lock Screen widgets, Live Activities
• Apple Watch app for quick entries
• iPhone and iPad, light and dark mode
• App lock with Face ID or passcode
• 34 languages
• No ads

COSTBOOK PLUS
Free: up to 5 expense lists, scanning, and joining shared lists. Costbook Plus adds unlimited lists, sharing your own lists, sync across devices, map view, PDF/CSV export, printing, app lock and custom app icons. Choose a monthly or yearly subscription, or a one-time Lifetime purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. You can manage or cancel them in your App Store account settings.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://www.jupiteryazilim.com/costbook/privacy

## Key features

- Expense logging in any currency
- Budget setting per list
- AI receipt scanning
- Shared expense tracking
- Home/Lock Screen widgets
- Apple Watch app

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Costbook Plus (Monthly) | $1.49 | per month |
| Costbook Plus (Yearly) | $12.49 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Costbook Plus (Lifetime) | $29.99 | one-time |


## Is Costbook safe?

Not enough ratings yet to assess Costbook.

## Is Costbook legit?

Costbook: Expense Tracker appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Costbook is 65 out of 100 points across 7 verification signals from App Store and developer data.

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/costbook-expense-tracker/id6821447451/reviews.md

### 5/5 — Great for budgeters

*2026-10-21*

Pretty cool budget app. It has a beautiful, minimalistic UI design, what a pleasure to use!

### 5/5 — Try this app!

*2026-10-20*

Super smooth interface and very easy to use when setting it up!

## Frequently asked questions about Costbook

### What is Costbook?

Costbook is a finance app designed to help you track your expenses, set budgets for various categories like trips or monthly spending, and manage shared costs with others. It offers features like AI-powered receipt scanning and the ability to see who owes whom in shared lists.

### Is Costbook free to use?

Yes, Costbook offers a free version that allows up to 5 expense lists, receipt scanning, and joining shared lists. For unlimited lists, advanced sharing, and other premium features, a subscription or one-time purchase is available.

### How does Costbook handle shared expenses?

You can invite others to a shared list in Costbook. The app will automatically calculate who owes whom based on the expenses logged, making it easy to settle debts. Friends can join shared lists for free.

### Can I scan receipts with Costbook?

Yes, Costbook features an AI-powered receipt scanning function. This allows you to scan a receipt or bill, and the app will automatically fill in the amount, merchant, category, and date, while also saving a photo of the receipt.

### What devices does Costbook support?

Costbook is available on iPhone, iPad, and Apple Watch. It also offers Home Screen and Lock Screen widgets for quick access and Live Activities.

### Does Costbook have ads?

No, Costbook is ad-free. The app explicitly states 'No ads' in its description, ensuring an uninterrupted user experience.

### How often is Costbook updated?

The latest version of Costbook, 1.24, was released on October 23, 2026, indicating recent activity. The app is generally updated to introduce new features and maintain performance.

### What are the benefits of Costbook Plus?

Costbook Plus offers unlimited expense lists, the ability to share your own lists, cross-device syncing, map view, PDF/CSV export, printing, app lock, and custom app icons. It is available via monthly, yearly subscription, or a lifetime purchase.

## Version history (last 5 releases)

### 1.25 — 2026-10-27

Bug fixes.

### 1.24 — 2026-10-23

Bug fixes.

### 1.23 — 2026-10-23

Bug fixes.

### 1.22 — 2026-10-21

Bug fixes.

### 1.20 — 2026-10-21

Bug fixes.

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## More apps by Mesut Altuncu

- [Panic Party](https://appshunter.io/ios/app/panic-party/id6767534478)
- [PULSE: Rhythm Tap](https://appshunter.io/ios/app/pulse-rhythm-tap/id6773479587)

All apps by Mesut Altuncu: https://appshunter.io/developer/1624955662

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-29.*