# Chagok vs iobook

The clearest difference is in-app purchases: Chagok at none against iobook's 2. Chagok also leads on iOS requirement (15.6 vs 18.0). iobook's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. iobook sells 2 in-app purchases, starting at $1.99 per month. Chagok asks for nothing beyond the download.

Chagok ships an update every 10 days, iobook every 3 weeks. The most recent releases landed on September 9, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Chagok | iobook |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 56 MB | 6 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yura Kang](https://appshunter.io/developer/1752692832) | [Joonhee Cho](https://appshunter.io/developer/1124471697) |

## What reviewers say

### Chagok

[App page](https://appshunter.io/ios/app/chagok-shared-expense-tracker/id6504530538)

This app provides a flexible way to track personal and shared expenses. Break down transactions by item, category, or purpose, and manage shared accounts with customizable permissions. Gain clarity and control over your spending with detailed reports and an overview of your assets.

**Highlights:** Track personal and shared expenses, Split single receipts by category, Share specific accounts with privacy controls, View spending history with reports, Manage assets across cards and accounts, Customize permissions for shared accounts

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### iobook

[App page](https://appshunter.io/ios/app/iobook/id6742841375)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic (Monthly) | $1.99 | per month |
| Basic (Yearly) | $19.99 | per year |


## Frequently asked questions

### Is Chagok free?

Chagok is free to download, with no in-app purchases.

### Is iobook free?

iobook is free to download, with in-app purchases available.

### Do Chagok or iobook have ads?

Chagok shows ads; iobook does not.

### Which is updated more often, Chagok or iobook?

Chagok ships an update every 10 days, and iobook every 3 weeks. Most recently, Chagok was updated on September 9, 2026 and iobook on September 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*