# Seonsaengnim vs Lecsium

The clearest difference is in-app purchases: Seonsaengnim at none against Lecsium's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Lecsium sells 3 in-app purchases, starting at $3.99 per month. Seonsaengnim asks for nothing beyond the download.

Seonsaengnim ships an update every 5 days, Lecsium every 8 days. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Seonsaengnim | Lecsium |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 8 days |
| Monetization | Free with in-app purchases | — |
| Size | 220 MB | 61 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [XOXO Inc.](https://appshunter.io/developer/6776618817) | [Nathan Grondin](https://appshunter.io/developer/6798629323) |

## What reviewers say

### Seonsaengnim

[App page](https://appshunter.io/ios/app/seonsaengnim-learn-korean/id6776618815)

Master Korean with a structured curriculum, interactive exercises, and personalized feedback. Expand vocabulary, improve pronunciation, and track your progress with a virtual teacher available anytime.

**Highlights:** Structured progressive lessons, Interactive exercises, Virtual teacher support, Vocabulary flashcards, Pronunciation practice, Progress tracking, Integrated dictionary

**In-app purchases:** none


### Lecsium

[App page](https://appshunter.io/ios/app/lecsium-learn-languages/id6798629321)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reader | $3.99 | per month |
| Author | $5.99 | per month |
| Ultra | $12.99 | per month |


## Frequently asked questions

### Is Seonsaengnim free?

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

### Is Lecsium free?

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

### Do Seonsaengnim or Lecsium have ads?

Neither Seonsaengnim nor Lecsium shows ads.

### Which is updated more often, Seonsaengnim or Lecsium?

Seonsaengnim ships an update every 5 days, and Lecsium every 8 days. Most recently, Seonsaengnim was updated on October 11, 2026 and Lecsium on October 8, 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.*