# Korean Dictionary + vs Sejong Study

The clearest difference is price: Korean Dictionary + at Free against Sejong Study's $1.99. Korean Dictionary + also leads on update cadence (every 2 months vs every 5 months). Sejong Study's advantage is in-app purchases (none vs 6) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Korean Dictionary + is free to download; Sejong Study costs $1.99 up front. Korean Dictionary + sells 6 one-off in-app purchases. Sejong Study asks for nothing beyond the download.

Korean Dictionary + ships an update every 2 months, Sejong Study every 5 months. The most recent releases landed on September 18, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Korean Dictionary + | Sejong Study |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.5 (216 ratings)](https://appshunter.io/ios/app/korean-dictionary-plus/id501709193/reviews)** | — |
| Number of ratings | **216** | — |
| Positive reviews | 55.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 380 MB |
| Requires iOS | **17.6** | 18.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [iThinkdiff](https://appshunter.io/developer/377715733) | [Jeffrey Dick](https://appshunter.io/developer/821338172) |

## What reviewers say

### Korean Dictionary +

[App page](https://appshunter.io/ios/app/korean-dictionary-plus/id501709193)

This app provides a comprehensive bilingual dictionary for English and Korean, offering offline translation and pronunciation for over 350,000 words and phrases. It includes features like image text scanning, a phrasebook, vocabulary games, and a word of the day to aid language learning.

**Highlights:** Bilingual English-Korean dictionary, Offline translation and pronunciation, Image text scanning, Vocabulary games and flashcards, Phrasebook with common phrases, Word of the day

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertise | $0.99 | one-time |
| Pronunciation | $0.99 | one-time |
| Online Translator | $0.99 | one-time |
| Flash Card | $0.99 | one-time |
| Phrase Book | $0.99 | one-time |
| Pro Upgrade | $2.99 | one-time |

**What reviewers like**

- 👍 Easy to use interface
- 👍 Helpful for vocabulary building
- 👍 Good for sentence structure practice
- 👍 Useful for learning pronunciation
- 👍 Good for beginners

**What reviewers complain about**

- 💰 Requires payment for pronunciation
- 💰 Requires payment for word of the day
- 💰 Paywall for pronunciation assistance
- 💰 Free version too limited
- 💰 Ads are intrusive

**Reported bugs**

- Pronunciation guide doesn't work
- No sound from the app after paying for pronunciation
- Scan mode doesn't work for Korean
- App freezes and crashes after downloading translator addition
- Pro upgrade is currently unavailable

**Requested features**

- Allow listening to pronunciation without paying
- Improve pronunciation guide functionality
- Make pronunciation accessible for free
- Include more definitions
- Reduce ads


### Sejong Study

[App page](https://appshunter.io/ios/app/sejong-study-learn-korean/id6741785534)

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

**In-app purchases:** none


## Frequently asked questions

### Is Korean Dictionary + free?

Korean Dictionary + is free to download, with in-app purchases available.

### Is Sejong Study free?

Sejong Study costs $1.99, with no in-app purchases.

### Do Korean Dictionary + or Sejong Study have ads?

Korean Dictionary + shows ads; Sejong Study does not.

### Which is updated more often, Korean Dictionary + or Sejong Study?

Korean Dictionary + ships an update every 2 months, and Sejong Study every 5 months. Most recently, Korean Dictionary + was updated on September 18, 2026 and Sejong Study on September 17, 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.*