# Engineering Wise vs DOKKAI

The clearest difference is update cadence: DOKKAI at every 3 days against Engineering Wise's fortnightly. Engineering Wise's advantage is iOS requirement (6.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Engineering Wise ships an update fortnightly, DOKKAI every 3 days. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Engineering Wise | DOKKAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dokkai-jlpt-japanese-learning/id6749149546/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | — | Free |
| Size | 7 MB | 57 MB |
| Requires iOS | **6.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Derrick Nicolas](https://appshunter.io/developer/1081010903) | [LEI CHEN](https://appshunter.io/developer/6786154482) |

## What reviewers say

### Engineering Wise

[App page](https://appshunter.io/ios/app/engineering-wise/id1081010906)

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

**In-app purchases:** none


### DOKKAI

[App page](https://appshunter.io/ios/app/dokkai-jlpt-japanese-learning/id6749149546)

Master Japanese for JLPT exams with this app's progressive learning system. It offers articles, audio, and offline support, adapting to your pace from N5 to N1.

**Highlights:** Progressive learning system (N5-N1), Comparative approach to content, Responsive design for all devices, Enhanced audio learning with furigana, Rich content library (36 articles), Offline support

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

**In-app purchases:** none


## Frequently asked questions

### Is Engineering Wise free?

Engineering Wise is free to download, with no in-app purchases.

### Is DOKKAI free?

DOKKAI is free to download, with no in-app purchases.

### Do Engineering Wise or DOKKAI have ads?

Neither Engineering Wise nor DOKKAI shows ads.

### Which is updated more often, Engineering Wise or DOKKAI?

Engineering Wise ships an update fortnightly, and DOKKAI every 3 days. Most recently, Engineering Wise was updated on October 26, 2026 and DOKKAI on October 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.*