# TOEIC CLOCK vs シャドディク

The clearest difference is in-app purchases: TOEIC CLOCK at none against シャドディク's 1. シャドディク's advantage is update cadence (daily vs every 4 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. シャドディク sells 1 in-app purchase, starting at $9.99 per month. TOEIC CLOCK asks for nothing beyond the download.

TOEIC CLOCK ships an update every 4 months, シャドディク daily. The most recent releases landed on September 28, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | TOEIC CLOCK | シャドディク |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Size | 1 MB | 108 MB |
| Requires iOS | 16.2 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HIDEKi MATSUMOTO](https://appshunter.io/developer/1690137692) | [StudyPeaks](https://appshunter.io/developer/901134689) |

## What reviewers say

### TOEIC CLOCK

[App page](https://appshunter.io/ios/app/toeic-clock/id6450565102)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 CLOCK free?

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

### 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 CLOCK or シャドディク have ads?

Neither TOEIC CLOCK nor シャドディク shows ads.

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

TOEIC CLOCK ships an update every 4 months, and シャドディク daily. Most recently, TOEIC CLOCK was updated on September 28, 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.*