# TOEIC®単語攻略 vs シャドディク

The clearest difference is ads: シャドディク at none against TOEIC®単語攻略's shown. シャドディク also leads on update cadence (daily vs every 3 weeks) and iOS requirement (13.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. TOEIC®単語攻略 sells 1 one-off in-app purchase 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.

TOEIC®単語攻略 ships an update every 3 weeks, シャドディク daily. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | TOEIC®単語攻略 | シャドディク |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 43 MB | 108 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kotake Studio LLC](https://appshunter.io/developer/1542437321) | [StudyPeaks](https://appshunter.io/developer/901134689) |

## What reviewers say

### TOEIC®単語攻略

[App page](https://appshunter.io/ios/app/toeic/id6450159316)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Removal | $2.99 | 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 TOEIC®単語攻略 free?

TOEIC®単語攻略 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 TOEIC®単語攻略 or シャドディク have ads?

TOEIC®単語攻略 shows ads; シャドディク does not.

### Which is updated more often, TOEIC®単語攻略 or シャドディク?

TOEIC®単語攻略 ships an update every 3 weeks, and シャドディク daily. Most recently, TOEIC®単語攻略 was updated on October 6, 2026 and シャドディク on October 7, 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.*