# GSL Builder 日本語版 vs OBJECTIF 600

The clearest difference is in-app purchases: GSL Builder 日本語版 at none against OBJECTIF 600's 3. GSL Builder 日本語版 also leads on iOS requirement (13.0 vs 15.1). OBJECTIF 600's advantage is update cadence (weekly vs every 61 months). On price, ads and device support there is nothing between them.

Both are free to download. OBJECTIF 600 sells 3 in-app purchases, starting at $1.99 per 7 days. GSL Builder 日本語版 asks for nothing beyond the download.

GSL Builder 日本語版 ships an update every 61 months, OBJECTIF 600 weekly. The most recent releases landed on October 14, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | GSL Builder 日本語版 | OBJECTIF 600 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 61 months | **Weekly** |
| Size | 178 MB | 50 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [EFL Technologies](https://appshunter.io/developer/942981362) | [Julien Folliot](https://appshunter.io/developer/1840472849) |

## 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


### OBJECTIF 600

[App page](https://appshunter.io/ios/app/objectif-600-tage-mage/id6756419357)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro – Abonnement hebdomadaire | $1.99 | per 7 days |
| Pro – Accès mensuel | $6.99 | per month |
| Pro – Abonnement saison | $17.99 | per 3 months |


## 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 OBJECTIF 600 free?

OBJECTIF 600 is free to download, with in-app purchases available.

### Do GSL Builder 日本語版 or OBJECTIF 600 have ads?

Neither GSL Builder 日本語版 nor OBJECTIF 600 shows ads.

### Which is updated more often, GSL Builder 日本語版 or OBJECTIF 600?

GSL Builder 日本語版 ships an update every 61 months, and OBJECTIF 600 weekly. Most recently, GSL Builder 日本語版 was updated on October 14, 2026 and OBJECTIF 600 on October 19, 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.*