# mugenStudyToeic vs SkillCert

The clearest difference is in-app purchases: mugenStudyToeic at none against SkillCert's 3. mugenStudyToeic also leads on ads (none vs shown). SkillCert's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 26.0). On price and update cadence there is nothing between them.

Both are free to download. SkillCert sells 3 in-app purchases, starting at $2.99 per month. mugenStudyToeic asks for nothing beyond the download.

mugenStudyToeic ships an update weekly, SkillCert every 3 days. The most recent releases landed on September 16, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | mugenStudyToeic | SkillCert |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 3 days** |
| Size | 30 MB | 155 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [RYOTA SAITO](https://appshunter.io/developer/1829092253) | [Yotaro SATO](https://appshunter.io/developer/1862063948) |

## What reviewers say

### mugenStudyToeic

[App page](https://appshunter.io/ios/app/mugenstudytoeic/id6755129061)

**Features:** macOS Compatibility

**In-app purchases:** none


### SkillCert

[App page](https://appshunter.io/ios/app/skillcert-mostcertifications/id6756679793)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SKILL Cert by AI ライトプラン | $2.99 | per month |
| SKILL Cert by AI スタンダードプラン | $9.99 | per month |
| SKILL Cert by AI プレミアムプラン | $29.99 | per month |


## Frequently asked questions

### Is mugenStudyToeic free?

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

### Is SkillCert free?

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

### Do mugenStudyToeic or SkillCert have ads?

SkillCert shows ads; mugenStudyToeic does not.

### Which is updated more often, mugenStudyToeic or SkillCert?

mugenStudyToeic ships an update weekly, and SkillCert every 3 days. Most recently, mugenStudyToeic was updated on September 16, 2026 and SkillCert on September 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.*