# 東進講座受講 vs いいずなボイス

The clearest difference is update cadence: いいずなボイス at every 5 weeks against 東進講座受講's every 4 months. いいずなボイス also leads on review sentiment (22% 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, いいずなボイス every 5 weeks. The most recent releases landed on November 11, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | 東進講座受講 | いいずなボイス |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 10.0% of reviews | **22.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Size | 25 MB | 29 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [株式会社ナガセ](https://appshunter.io/developer/447743163) | [いいずな書店RT](https://appshunter.io/developer/1387777973) |

## 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


### いいずなボイス

[App page](https://appshunter.io/ios/app/id1387777974)

**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 いいずなボイス free?

いいずなボイス is free to download, with no in-app purchases.

### Do 東進講座受講 or いいずなボイス have ads?

Neither 東進講座受講 nor いいずなボイス shows ads.

### Which is updated more often, 東進講座受講 or いいずなボイス?

東進講座受講 ships an update every 4 months, and いいずなボイス every 5 weeks. Most recently, 東進講座受講 was updated on November 11, 2026 and いいずなボイス on November 2, 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.*