# 東進講座受講 vs C

The clearest difference is update cadence: C at every 3 weeks against 東進講座受講's every 4 months. C also leads on review sentiment (25% vs 10%). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

東進講座受講 ships an update every 4 months, C every 3 weeks. Both last shipped on October 8, 2026.

## The numbers

| Metric | 東進講座受講 | C |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 10.0% of reviews | **25.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 25 MB | 52 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [株式会社ナガセ](https://appshunter.io/developer/447743163) | [Netman. Co.,Ltd.](https://appshunter.io/developer/1097455605) |

## What reviewers say

### 東進講座受講

[App page](https://appshunter.io/ios/app/id867428129)

**Features:** Vision Pro support

**In-app purchases:** none


### C

[App page](https://appshunter.io/ios/app/c-learning-for-student/id1097455606)

This learning management system client allows students and employees to access educational materials, take quizzes, and participate in collaborative projects. It supports domain switching for different organizations and offers features for registering lectures and answering surveys.

**Highlights:** Domain switching for organizations, Lecture registration, Survey and quiz participation, Material browsing and sharing, Collaborative image/video uploads

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

**In-app purchases:** none


## Frequently asked questions

### Is 東進講座受講 free?

東進講座受講 is free to download, with no in-app purchases.

### Is C free?

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

### Do 東進講座受講 or C have ads?

Neither 東進講座受講 nor C shows ads.

### Which is updated more often, 東進講座受講 or C?

東進講座受講 ships an update every 4 months, and C every 3 weeks. Most recently, 東進講座受講 was updated on October 8, 2026 and C on October 8, 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.*