# SBF Binnen vs ProteinViewerApp

The clearest difference is review sentiment: SBF Binnen at 95% against ProteinViewerApp's 0%. SBF Binnen also leads on price (Free vs $4.99) and rating (5.0 vs 3.0). ProteinViewerApp's advantage is in-app purchases (none vs 1) and update cadence (fortnightly vs every 2 months). On ads, device support and iOS requirement there is nothing between them.

SBF Binnen is free to download; ProteinViewerApp costs $4.99 up front. SBF Binnen sells 1 one-off in-app purchase. ProteinViewerApp asks for nothing beyond the download.

SBF Binnen holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: SBF Binnen has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 95% of SBF Binnen's written reviews are positive against 0% of ProteinViewerApp's.

SBF Binnen ships an update every 2 months, ProteinViewerApp fortnightly. The most recent releases landed on October 19, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SBF Binnen | ProteinViewerApp |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/sbf-binnen/id540303206/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/proteinviewerapp/id6752284307/reviews) |
| Number of ratings | **10** | 2 |
| Positive reviews | **95.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Free** | Paid |
| Size | 28 MB | 8 MB |
| Requires iOS | **16** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Ralf Goritz](https://appshunter.io/developer/418069908) | [JONG HYUN LEE](https://appshunter.io/developer/1739037759) |

## 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 |


### ProteinViewerApp

[App page](https://appshunter.io/ios/app/proteinviewerapp/id6752284307)

Explore and learn about protein structures in 3D. This tool offers interactive visualization, educational modes, and direct access to protein data for students and researchers.

**Highlights:** 3D protein visualization, Step-by-step structural insights, Educational modes by category, Multiple rendering styles, Direct PDB integration, Clear terminology explanations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SBF Binnen free?

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

### Is ProteinViewerApp free?

ProteinViewerApp costs $4.99, with no in-app purchases.

### Which has better reviews, SBF Binnen or ProteinViewerApp?

SBF Binnen is rated higher. SBF Binnen averages 5.0 out of 5 from 10 ratings, while ProteinViewerApp averages 3.0 from 2 ratings.

### Do SBF Binnen or ProteinViewerApp have ads?

Neither SBF Binnen nor ProteinViewerApp shows ads.

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

SBF Binnen ships an update every 2 months, and ProteinViewerApp fortnightly. Most recently, SBF Binnen was updated on October 19, 2026 and ProteinViewerApp 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.*