# シャドディク vs SpeakGain

The clearest difference is update cadence: シャドディク at daily against SpeakGain's weekly. シャドディク also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support 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 and SpeakGain sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

シャドディク ships an update daily, SpeakGain weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | シャドディク | SpeakGain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Size | 108 MB | 97 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [StudyPeaks](https://appshunter.io/developer/901134689) | [Yuta Aoki](https://appshunter.io/developer/6795094440) |

## What reviewers say

### 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 |


### SpeakGain

[App page](https://appshunter.io/ios/app/speakgain-english-shadowing/id6795094438)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpeakGain Pro (Monthly) | $9.99 | per month |
| SpeakGain Pro (Annual) | $79.99 | per year |


## Frequently asked questions

### Is シャドディク free?

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

### Is SpeakGain free?

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

### Do シャドディク or SpeakGain have ads?

Neither シャドディク nor SpeakGain shows ads.

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

シャドディク ships an update daily, and SpeakGain weekly. Most recently, シャドディク was updated on November 5, 2026 and SpeakGain on October 31, 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.*