# Bootstrap Korean Grammar vs Dusajeon Korean Dictionary

The clearest difference is review sentiment: Dusajeon Korean Dictionary at 96% against Bootstrap Korean Grammar's 33%. Dusajeon Korean Dictionary also leads on rating (4.8 vs 3.5) and in-app purchases (none vs 1). Bootstrap Korean Grammar's advantage is price (Free vs $5.99) and update cadence (every 9 days vs every 2 months). On ads, device support and iOS requirement there is nothing between them.

Bootstrap Korean Grammar is free to download; Dusajeon Korean Dictionary costs $5.99 up front. Bootstrap Korean Grammar sells 1 one-off in-app purchase. Dusajeon Korean Dictionary asks for nothing beyond the download.

Dusajeon Korean Dictionary holds the better App Store score, 4.8 against 3.5. That said, the two scores are not equally well evidenced: Dusajeon Korean Dictionary has 34 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 33% of Bootstrap Korean Grammar's written reviews are positive against 96% of Dusajeon Korean Dictionary's.

Bootstrap Korean Grammar ships an update every 9 days, Dusajeon Korean Dictionary every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Bootstrap Korean Grammar | Dusajeon Korean Dictionary |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | [3.5 (4 ratings)](https://appshunter.io/ios/app/bootstrap-korean-grammar/id1633765066/reviews) | **[4.8 (34 ratings)](https://appshunter.io/ios/app/dusajeon-korean-dictionary/id1635618344/reviews)** |
| Number of ratings | 4 | **34** |
| Positive reviews | 33.3% of reviews | **95.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | **Free** | Paid |
| Size | 38 MB | 426 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Declan Software](https://appshunter.io/developer/932750266) | [Louis Digioia](https://appshunter.io/developer/1635618646) |

## What reviewers say

### Bootstrap Korean Grammar

[App page](https://appshunter.io/ios/app/bootstrap-korean-grammar/id1633765066)

Master Korean grammar with a step-by-step approach. This app offers 185 grammar topics and over 3200 audio examples to build your communication skills. Interactive exercises and a personal study list enhance learning.

**Highlights:** 185 grammar topics, 3200+ audio examples, Step-by-step learning, Interactive exercises, Personal study list, Companion book integration

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Korean Topics | $34.99 | one-time |


### Dusajeon Korean Dictionary

[App page](https://appshunter.io/ios/app/dusajeon-korean-dictionary/id1635618344)

An offline Korean learner's dictionary offering extensive features for vocabulary building and Hanja exploration. It provides a customizable interface and supports multiple search and definition languages.

**Highlights:** 100% offline functionality, Customizable user interface, Multi-language search (Korean, English, Japanese, Chinese), Over 60,000 Korean dictionary entries, Hanja Explorer for browsing Hanja, Deep link integration for external app searches

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

**In-app purchases:** none


## Frequently asked questions

### Is Bootstrap Korean Grammar free?

Bootstrap Korean Grammar is free to download, with in-app purchases available.

### Is Dusajeon Korean Dictionary free?

Dusajeon Korean Dictionary costs $5.99, with no in-app purchases.

### Which has better reviews, Bootstrap Korean Grammar or Dusajeon Korean Dictionary?

Dusajeon Korean Dictionary is rated higher. Bootstrap Korean Grammar averages 3.5 out of 5 from 4 ratings, while Dusajeon Korean Dictionary averages 4.8 from 34 ratings.

### Do Bootstrap Korean Grammar or Dusajeon Korean Dictionary have ads?

Neither Bootstrap Korean Grammar nor Dusajeon Korean Dictionary shows ads.

### Which is updated more often, Bootstrap Korean Grammar or Dusajeon Korean Dictionary?

Bootstrap Korean Grammar ships an update every 9 days, and Dusajeon Korean Dictionary every 2 months. Most recently, Bootstrap Korean Grammar was updated on November 3, 2026 and Dusajeon Korean Dictionary on November 3, 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.*