# CoderBar vs My日本史クイズ

The clearest difference is in-app purchases: My日本史クイズ at none against CoderBar's 8. CoderBar's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 9 months). On price and device support there is nothing between them.

Both are free to download. CoderBar sells 8 in-app purchases, starting at $41.99 per year. My日本史クイズ asks for nothing beyond the download.

CoderBar ships an update every 3 weeks, My日本史クイズ every 9 months. Both last shipped on September 21, 2026.

## The numbers

| Metric | CoderBar | My日本史クイズ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 9 months |
| Monetization | Freemium | — |
| Size | 72 MB | 2 MB |
| Requires iOS | **11.0** | 14.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [eLife System Co., Ltd.](https://appshunter.io/developer/1455084435) | [Michiyuki Momokita](https://appshunter.io/developer/1581237092) |

## What reviewers say

### CoderBar

[App page](https://appshunter.io/ios/app/coderbar/id1568963214)

This platform focuses on career advancement in the IT industry, offering vocational training and recruitment services. It connects businesses with skilled professionals and provides IT employees with skill enhancement and career planning guidance.

**Highlights:** Vocational training for IT professionals, Recruitment services for businesses, Career planning and guidance, Customized learning content, Direct connection to schools and companies, Business Japanese and IT Japanese training

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 教育VIP会員 | $41.99 | per year |
| VIP会員 | $82.99 | per year |
| 28CB | $5.99 | one-time |
| 42 CB | $8.99 | one-time |
| 131 CB | $27.99 | one-time |
| 180 CB | $39.99 | one-time |
| 271 CB | $59.99 | one-time |
| 432 CB | $94.99 | one-time |


### My日本史クイズ

[App page](https://appshunter.io/ios/app/my/id1581237090)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CoderBar free?

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

### Is My日本史クイズ free?

My日本史クイズ is free to download, with no in-app purchases.

### Do CoderBar or My日本史クイズ have ads?

My日本史クイズ shows ads; CoderBar does not.

### Which is updated more often, CoderBar or My日本史クイズ?

CoderBar ships an update every 3 weeks, and My日本史クイズ every 9 months. Most recently, CoderBar was updated on September 21, 2026 and My日本史クイズ on September 21, 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.*