# パブロフくんと学ぶITパスポート vs 進数・補数変換

The clearest difference is price: 進数・補数変換 at Free against パブロフくんと学ぶITパスポート's $3.99. 進数・補数変換 also leads on update cadence (weekly vs every 18 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

進数・補数変換 is free to download; パブロフくんと学ぶITパスポート costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

パブロフくんと学ぶITパスポート ships an update every 18 months, 進数・補数変換 weekly. The most recent releases landed on October 12, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | パブロフくんと学ぶITパスポート | 進数・補数変換 |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Weekly** |
| Monetization | Paid | — |
| Size | 40 MB | 3 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Atsuko Yoseda](https://appshunter.io/developer/497317278) | [Manato Abe](https://appshunter.io/developer/1766487879) |

## What reviewers say

### パブロフくんと学ぶITパスポート

[App page](https://appshunter.io/ios/app/it/id594212411)

Study for the IT Passport exam with over 1100 past questions. Practice efficiently by focusing on frequently asked or missed questions, and review specific topics or weak areas. This app is designed for convenient study during commutes or breaks.

**Highlights:** 1149 past questions (up to 2021), Focus on frequently asked questions, Review missed questions, Bookmark weak questions for practice, Multiple study modes (topic, random, bookmark, missed), Companion book available

**Features:** Vision Pro support

**In-app purchases:** none


### 進数・補数変換

[App page](https://appshunter.io/ios/app/id6702007723)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is パブロフくんと学ぶITパスポート free?

パブロフくんと学ぶITパスポート costs $3.99, with no in-app purchases.

### Is 進数・補数変換 free?

進数・補数変換 is free to download, with no in-app purchases.

### Do パブロフくんと学ぶITパスポート or 進数・補数変換 have ads?

Neither パブロフくんと学ぶITパスポート nor 進数・補数変換 shows ads.

### Which is updated more often, パブロフくんと学ぶITパスポート or 進数・補数変換?

パブロフくんと学ぶITパスポート ships an update every 18 months, and 進数・補数変換 weekly. Most recently, パブロフくんと学ぶITパスポート was updated on October 12, 2026 and 進数・補数変換 on October 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*