# GSL Builder 日本語版 vs Langula

The clearest difference is in-app purchases: GSL Builder 日本語版 at none against Langula's 10. GSL Builder 日本語版 also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.5). Langula's advantage is update cadence (weekly vs every 61 months). On price and device support there is nothing between them.

Both are free to download. Langula sells 10 one-off in-app purchases. GSL Builder 日本語版 asks for nothing beyond the download.

GSL Builder 日本語版 ships an update every 61 months, Langula weekly. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | GSL Builder 日本語版 | Langula |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 61 months | **Weekly** |
| Size | 178 MB | 73 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [EFL Technologies](https://appshunter.io/developer/942981362) | [Thomas Harnisch](https://appshunter.io/developer/1886086615) |

## What reviewers say

### GSL Builder 日本語版

[App page](https://appshunter.io/ios/app/gsl-builder/id973368329)

**Features:** macOS Compatibility

**In-app purchases:** none


### Langula

[App page](https://appshunter.io/ios/app/langula-learn-languages/id6760947710)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Polnisch | $8.99 | one-time |
| Schwedisch | $8.99 | one-time |
| Finnisch | $8.99 | one-time |
| Österreichisch | $8.99 | one-time |
| Chinesisch | $8.99 | one-time |
| Dänisch | $8.99 | one-time |
| Deutsch | $8.99 | one-time |
| Französisch Premium | $8.99 | one-time |
| Portugiesisch | $8.99 | one-time |
| Alle Sprachen | $44.99 | one-time |


## Frequently asked questions

### Is GSL Builder 日本語版 free?

GSL Builder 日本語版 is free to download, with no in-app purchases.

### Is Langula free?

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

### Do GSL Builder 日本語版 or Langula have ads?

Langula shows ads; GSL Builder 日本語版 does not.

### Which is updated more often, GSL Builder 日本語版 or Langula?

GSL Builder 日本語版 ships an update every 61 months, and Langula weekly. Most recently, GSL Builder 日本語版 was updated on October 6, 2026 and Langula on October 1, 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.*