# MemMaster+ vs 情シスの教科書

The clearest difference is price: 情シスの教科書 at Free against MemMaster+'s $1.99. 情シスの教科書 also leads on update cadence (fortnightly vs every 5 weeks). MemMaster+'s advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

情シスの教科書 is free to download; MemMaster+ costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MemMaster+ ships an update every 5 weeks, 情シスの教科書 fortnightly. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | MemMaster+ | 情シスの教科書 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | — | Freemium |
| Size | 6 MB | 11 MB |
| Requires iOS | 18.1 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Koji Yamamoto](https://appshunter.io/developer/584373084) | [Yoshihiko Ishikawa](https://appshunter.io/developer/1895906673) |

## What reviewers say

### MemMaster+

[App page](https://appshunter.io/ios/app/memmaster-plus/id6747919545)

**Features:** macOS Compatibility

**In-app purchases:** none


### 情シスの教科書

[App page](https://appshunter.io/ios/app/se/id6764761204)

This app serves as a practical guide for new IT support staff and single IT personnel. It covers daily tasks, troubleshooting common issues, and preparing for IT certifications. The app provides a roadmap for the first 90 days, detailed workflows for urgent problems, and tools for logging and reporting. It also includes IT fundamentals and practice exams.

**Highlights:** 90-day roadmap for new IT staff, Troubleshooting workflows for 24 common issues, Automated response logging and monthly summaries, EOL (End-of-Life) calendar for critical dates, IT fundamentals and SQL practice, IT Passport exam preparation with past questions

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

**In-app purchases:** none


## Frequently asked questions

### Is MemMaster+ free?

MemMaster+ costs $1.99, with no in-app purchases.

### Is 情シスの教科書 free?

情シスの教科書 is free to download, with no in-app purchases.

### Do MemMaster+ or 情シスの教科書 have ads?

情シスの教科書 shows ads; MemMaster+ does not.

### Which is updated more often, MemMaster+ or 情シスの教科書?

MemMaster+ ships an update every 5 weeks, and 情シスの教科書 fortnightly. Most recently, MemMaster+ was updated on November 8, 2026 and 情シスの教科書 on October 31, 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.*