# IC vs コツログ

The clearest difference is in-app purchases: コツログ at none against IC's 5. コツログ also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. IC sells 5 one-off in-app purchases. コツログ asks for nothing beyond the download.

IC ships an update every 2 months, コツログ every 3 weeks. The most recent releases landed on October 3, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | IC | コツログ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (385 ratings)](https://appshunter.io/ios/app/ic-reader/id1474445461/reviews)** | — |
| Number of ratings | **385** | — |
| Positive reviews | 74.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 113 MB | 11 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shintaro Kawamura](https://appshunter.io/developer/1463344574) | [Sota Ohno](https://appshunter.io/developer/6778257909) |

## What reviewers say

### IC

[App page](https://appshunter.io/ios/app/ic-reader/id1474445461)

This app allows you to read, save, and export the usage history of various Japanese NFC transportation cards. Easily check your card balance and view past transactions, with the option to export data as a CSV file.

**Highlights:** Read IC card balance, View usage history, Export history as CSV, Supports multiple Japanese IC cards, Save card data

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All CSV Export | $0.99 | one-time |
| One free coffee for Developer. | $0.99 | one-time |
| タコスをご馳走する | $3.99 | one-time |
| 広告非表示 | $4.99 | one-time |
| お寿司をご馳走する | $7.99 | one-time |


### コツログ

[App page](https://appshunter.io/ios/app/id6778257541)

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

**In-app purchases:** none


## Frequently asked questions

### Is IC free?

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

### Is コツログ free?

コツログ is free to download, with no in-app purchases.

### Do IC or コツログ have ads?

Neither IC nor コツログ shows ads.

### Which is updated more often, IC or コツログ?

IC ships an update every 2 months, and コツログ every 3 weeks. Most recently, IC was updated on October 3, 2026 and コツログ on September 24, 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.*