# AI vs QC検定2級 総合対策

The clearest difference is price: AI at Free against QC検定2級 総合対策's $4.99. QC検定2級 総合対策's advantage is ads (none vs shown) and update cadence (every 6 days vs every 3 weeks). On in-app purchases, device support and iOS requirement there is nothing between them.

AI is free to download; QC検定2級 総合対策 costs $4.99 up front. AI sells 3 one-off in-app purchases and QC検定2級 総合対策 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AI ships an update every 3 weeks, QC検定2級 総合対策 every 6 days. The most recent releases landed on October 10, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | AI | QC検定2級 総合対策 |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Size | 184 MB | 3 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [合同会社HopStep](https://appshunter.io/developer/1749721044) | [matsuo konan](https://appshunter.io/developer/6772919772) |

## What reviewers say

### AI

[App page](https://appshunter.io/ios/app/ai-901-study-and-practice/id6759863242)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Complete Pack - Sale | $5.99 | one-time |
| Complete Pack | $9.99 | one-time |
| Lifetime Premium | $11.99 | one-time |


### QC検定2級 総合対策

[App page](https://appshunter.io/ios/app/qc2/id6788352237)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全問題解放 | $9.99 | one-time |


## Frequently asked questions

### Is AI free?

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

### Is QC検定2級 総合対策 free?

QC検定2級 総合対策 costs $4.99, and also offers in-app purchases.

### Do AI or QC検定2級 総合対策 have ads?

AI shows ads; QC検定2級 総合対策 does not.

### Which is updated more often, AI or QC検定2級 総合対策?

AI ships an update every 3 weeks, and QC検定2級 総合対策 every 6 days. Most recently, AI was updated on October 10, 2026 and QC検定2級 総合対策 on September 28, 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.*