# 四谷大塚講座受講 vs eica(エイカ)

The clearest difference is review sentiment: 四谷大塚講座受講 at 60% against eica(エイカ)'s 17%. On price, update cadence, ads and in-app purchases there is nothing between them.

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

四谷大塚講座受講 ships an update every 3 months, eica(エイカ) every 4 months. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 四谷大塚講座受講 | eica(エイカ) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/id1350321823/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | **60.0% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | — | Free |
| Size | 26 MB | 15 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YOTSUYA OTSUKA SHUPPAN,K.K.](https://appshunter.io/developer/858364423) | [AMULET CO.,LTD.](https://appshunter.io/developer/1421672459) |

## What reviewers say

### 四谷大塚講座受講

[App page](https://appshunter.io/ios/app/id1350321823)

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

**In-app purchases:** none


### eica(エイカ)

[App page](https://appshunter.io/ios/app/eica/id1518161440)

This app delivers important messages and notifications directly to your smartphone. It ensures you don't miss any communications from your educational institution through push notifications.

**Highlights:** Receive messages on smartphone, Push notification alerts, Message delivery from institution, Missed message prevention

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 四谷大塚講座受講 free?

四谷大塚講座受講 is free to download, with no in-app purchases.

### Is eica(エイカ) free?

eica(エイカ) is free to download, with no in-app purchases.

### Do 四谷大塚講座受講 or eica(エイカ) have ads?

Neither 四谷大塚講座受講 nor eica(エイカ) shows ads.

### Which is updated more often, 四谷大塚講座受講 or eica(エイカ)?

四谷大塚講座受講 ships an update every 3 months, and eica(エイカ) every 4 months. Most recently, 四谷大塚講座受講 was updated on October 25, 2026 and eica(エイカ) on October 7, 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.*