# SBF Binnen vs Studieninstitut

The clearest difference is in-app purchases: Studieninstitut at none against SBF Binnen's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SBF Binnen sells 1 one-off in-app purchase. Studieninstitut asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 23, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | SBF Binnen | Studieninstitut |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/sbf-binnen/id540303206/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 95.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 28 MB | 228 MB |
| Requires iOS | 16 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ralf Goritz](https://appshunter.io/developer/418069908) | [istis Informations Systeme GmbH](https://appshunter.io/developer/1036932613) |

## What reviewers say

### SBF Binnen

[App page](https://appshunter.io/ios/app/sbf-binnen/id540303206)

Prepare for your official boating license exam with intelligent learning systems. Master questions quickly using flashcards, practice modes, and detailed statistics. Study offline with comprehensive exam materials and helpful tips.

**Highlights:** Intelligent learning systems (Leitner, uncertain questions), Official question catalog (August 2023), Lehrbuch (textbook) with explanations, Multiple-choice tips, All knot types, Detailed progress statistics, Offline access

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vollversion | $17.99 | one-time |


### Studieninstitut

[App page](https://appshunter.io/ios/app/studieninstitut/id6443877210)

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

**In-app purchases:** none


## Frequently asked questions

### Is SBF Binnen free?

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

### Is Studieninstitut free?

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

### Do SBF Binnen or Studieninstitut have ads?

Neither SBF Binnen nor Studieninstitut shows ads.

### Which is updated more often, SBF Binnen or Studieninstitut?

SBF Binnen ships an update every 2 months, and Studieninstitut every 2 months. Most recently, SBF Binnen was updated on September 23, 2026 and Studieninstitut on October 12, 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.*