# AI先生　第二種電気主任技術者試験 vs 麻雀IQ

The clearest difference is in-app purchases: AI先生　第二種電気主任技術者試験 at none against 麻雀IQ's 7. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 麻雀IQ sells 7 in-app purchases, starting at $5.99 per month. AI先生　第二種電気主任技術者試験 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | AI先生　第二種電気主任技術者試験 | 麻雀IQ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Size | 8 MB | 107 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [reiko hori](https://appshunter.io/developer/1777370692) | [Fumihiro Kawasaki](https://appshunter.io/developer/1246668885) |

## What reviewers say

### AI先生　第二種電気主任技術者試験

[App page](https://appshunter.io/ios/app/ai/id6738368212)

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

**In-app purchases:** none


### 麻雀IQ

[App page](https://appshunter.io/ios/app/iq/id6779841470)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Pass | $5.99 | per month |
| Pro Pass | $49.99 | per year |
| スターターパック | $0.99 | one-time |
| スタンダードパック | $3.99 | one-time |
| 人気パック | $9.99 | one-time |
| プレミアムパック | $19.99 | one-time |
| ホエールパック | $69.99 | one-time |


## Frequently asked questions

### Is AI先生　第二種電気主任技術者試験 free?

AI先生　第二種電気主任技術者試験 is free to download, with no in-app purchases.

### Is 麻雀IQ free?

麻雀IQ is free to download, with in-app purchases available.

### Do AI先生　第二種電気主任技術者試験 or 麻雀IQ have ads?

Both AI先生　第二種電気主任技術者試験 and 麻雀IQ show ads.

### Which is updated more often, AI先生　第二種電気主任技術者試験 or 麻雀IQ?

AI先生　第二種電気主任技術者試験 ships an update every 2 months, and 麻雀IQ every 2 months. Most recently, AI先生　第二種電気主任技術者試験 was updated on October 1, 2026 and 麻雀IQ on October 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.*