# しおん vs IC card reader

The clearest difference is price: IC card reader at Free against しおん's $1.99. IC card reader also leads on update cadence (fortnightly vs every 14 months). しおん's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

IC card reader is free to download; しおん costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

しおん ships an update every 14 months, IC card reader fortnightly. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | しおん | IC card reader |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Fortnightly** |
| Size | 1 MB | 36 MB |
| Requires iOS | **15.6** | 15.8.3 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hideki Ogawa](https://appshunter.io/developer/498921566) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### しおん

[App page](https://appshunter.io/ios/app/id1042844087)

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

**In-app purchases:** none


### IC card reader

[App page](https://appshunter.io/ios/app/ic-card-reader/id6504466973)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is しおん free?

しおん costs $1.99, with no in-app purchases.

### Is IC card reader free?

IC card reader is free to download, with no in-app purchases.

### Do しおん or IC card reader have ads?

IC card reader shows ads; しおん does not.

### Which is updated more often, しおん or IC card reader?

しおん ships an update every 14 months, and IC card reader fortnightly. Most recently, しおん was updated on October 12, 2026 and IC card reader on October 10, 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.*