# MMS生徒手帳 vs ECCJアプリ

The clearest difference is update cadence: ECCJアプリ at every 2 weeks against MMS生徒手帳's every 2 months. MMS生徒手帳's advantage is iOS requirement (13.0 vs 17.6). 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.

MMS生徒手帳 ships an update every 2 months, ECCJアプリ every 2 weeks. The most recent releases landed on August 12, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | MMS生徒手帳 | ECCJアプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 62 MB | 30 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [MMS JAPAN Ltd.](https://appshunter.io/developer/1566276223) | [Edgar Cayce Center in Japan](https://appshunter.io/developer/1789301093) |

## What reviewers say

### MMS生徒手帳

[App page](https://appshunter.io/ios/app/mms/id1566276221)

**Features:** Vision Pro support

**In-app purchases:** none


### ECCJアプリ

[App page](https://appshunter.io/ios/app/eccj/id6758862772)

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

**In-app purchases:** none


## Frequently asked questions

### Is MMS生徒手帳 free?

MMS生徒手帳 is free to download, with no in-app purchases.

### Is ECCJアプリ free?

ECCJアプリ is free to download, with no in-app purchases.

### Do MMS生徒手帳 or ECCJアプリ have ads?

Neither MMS生徒手帳 nor ECCJアプリ shows ads.

### Which is updated more often, MMS生徒手帳 or ECCJアプリ?

MMS生徒手帳 ships an update every 2 months, and ECCJアプリ every 2 weeks. Most recently, MMS生徒手帳 was updated on August 12, 2026 and ECCJアプリ on September 9, 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.*