# Asset Diary vs koban

The clearest difference is in-app purchases: koban at none against Asset Diary's 1. koban also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). Asset Diary's advantage is update cadence (every 6 weeks vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Asset Diary sells 1 in-app purchase, starting at $1.99 per month. koban asks for nothing beyond the download.

Asset Diary ships an update every 6 weeks, koban every 3 months. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Asset Diary | koban |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 37 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [kazuki kunimura](https://appshunter.io/developer/1592047115) | [Kaharu Fukushima](https://appshunter.io/developer/1697128447) |

## What reviewers say

### Asset Diary

[App page](https://appshunter.io/ios/app/asset-diary/id1592047113)

Track your net worth daily with this app. Log assets, deposits, withdrawals, and gains/losses. Set financial goals and view trends with customizable charts and reminders. Your data stays private on your device.

**Highlights:** Record total assets daily, Track deposits, withdrawals, gains, and losses, Set and manage financial goals, View asset trends with charts, Daily, weekly, and monthly reminders, Data backup and restore, Categorize and manage assets

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 有料モード | $1.99 | per month |


### koban

[App page](https://appshunter.io/ios/app/koban/id6451201458)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Asset Diary free?

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

### Is koban free?

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

### Do Asset Diary or koban have ads?

Asset Diary shows ads; koban does not.

### Which is updated more often, Asset Diary or koban?

Asset Diary ships an update every 6 weeks, and koban every 3 months. Most recently, Asset Diary was updated on October 9, 2026 and koban on October 4, 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.*