# IC vs Chouseisan

The clearest difference is in-app purchases: Chouseisan at none against IC's 5. Chouseisan also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (15.6 vs 26.0). IC's advantage is ads (none vs shown) and ratings volume (385 vs 40). On price, rating, review sentiment and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for IC against 4.8 for Chouseisan. That said, the two scores are not equally well evidenced: IC has 385 ratings behind it against 40, so its average is the more settled of the two. Written reviews split almost evenly too, at 74% and 75% positive.

IC ships an update every 2 months, Chouseisan fortnightly. The most recent releases landed on September 25, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | IC | Chouseisan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (385 ratings)](https://appshunter.io/ios/app/ic-reader/id1474445461/reviews)** | [4.8 (40 ratings)](https://appshunter.io/ios/app/chouseisan/id6448971739/reviews) |
| Number of ratings | **385** | 40 |
| Positive reviews | 74.2% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 113 MB | 97 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shintaro Kawamura](https://appshunter.io/developer/1463344574) | [Mixtend Inc.](https://appshunter.io/developer/1687241996) |

## 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 |


### Chouseisan

[App page](https://appshunter.io/ios/app/chouseisan/id6448971739)

This free scheduling app simplifies organizing events for both personal and professional use. Easily create event pages and share URLs to coordinate with guests, making it a top choice for smooth itinerary planning.

**Highlights:** Streamlines event scheduling, Organizes private and business events, Easy event page creation, Shareable event URLs, Large user base in Japan

**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 Chouseisan free?

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

### Which has better reviews, IC or Chouseisan?

IC is rated higher. IC averages 4.9 out of 5 from 385 ratings, while Chouseisan averages 4.8 from 40 ratings.

### Do IC or Chouseisan have ads?

Chouseisan shows ads; IC does not.

### Which is updated more often, IC or Chouseisan?

IC ships an update every 2 months, and Chouseisan fortnightly. Most recently, IC was updated on September 25, 2026 and Chouseisan on September 22, 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.*