# 情報処理安全確保支援士 vs PassNote

The clearest difference is update cadence: 情報処理安全確保支援士 at every 2 days against PassNote's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 情報処理安全確保支援士 sells 1 one-off in-app purchase and PassNote sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

情報処理安全確保支援士 ships an update every 2 days, PassNote weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 情報処理安全確保支援士 | PassNote |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Size | 5 MB | 12 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TAKAYUKI OOTA](https://appshunter.io/developer/1855196437) | [joonwon Chang](https://appshunter.io/developer/1875316811) |

## What reviewers say

### 情報処理安全確保支援士

[App page](https://appshunter.io/ios/app/id6757329578)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 情報処理安全確保支援士 試験対策 | $1.99 | one-time |


### PassNote

[App page](https://appshunter.io/ios/app/passnote-exam-memorization/id6758859079)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 합격노트 Pro 월 구독 | $1.99 | per month |
| 합격노트 Pro 평생 소장 | $17.99 | one-time |


## Frequently asked questions

### Is 情報処理安全確保支援士 free?

情報処理安全確保支援士 is free to download, with in-app purchases available.

### Is PassNote free?

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

### Do 情報処理安全確保支援士 or PassNote have ads?

Neither 情報処理安全確保支援士 nor PassNote shows ads.

### Which is updated more often, 情報処理安全確保支援士 or PassNote?

情報処理安全確保支援士 ships an update every 2 days, and PassNote weekly. Most recently, 情報処理安全確保支援士 was updated on October 24, 2026 and PassNote on October 25, 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.*