# Re vs シャドディク

The clearest difference is ads: シャドディク at none against Re's shown. シャドディク also leads on update cadence (daily vs every 5 days) and iOS requirement (13.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Re sells 2 one-off in-app purchases and シャドディク sells 1 in-app purchase, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Re ships an update every 5 days, シャドディク daily. The most recent releases landed on September 8, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Re | シャドディク |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Daily** |
| Size | 21 MB | 108 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mendoxa LLC](https://appshunter.io/developer/1816388997) | [StudyPeaks](https://appshunter.io/developer/901134689) |

## What reviewers say

### Re

[App page](https://appshunter.io/ios/app/repra-pm/id6749874107)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mendoくんパワーアップ（開発支援） | $0.49 | one-time |
| 広告非表示 | $0.99 | one-time |


### シャドディク

[App page](https://appshunter.io/ios/app/toeic/id6749894258)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $9.99 | per month |


## Frequently asked questions

### Is Re free?

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

### Is シャドディク free?

シャドディク is free to download, with in-app purchases available.

### Do Re or シャドディク have ads?

Re shows ads; シャドディク does not.

### Which is updated more often, Re or シャドディク?

Re ships an update every 5 days, and シャドディク daily. Most recently, Re was updated on September 8, 2026 and シャドディク on September 19, 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.*