# SRC LRC UBI vs SBF See Theorie

The clearest difference is price: SBF See Theorie at Free against SRC LRC UBI's $8.99. SRC LRC UBI's advantage is in-app purchases (none vs 5) and ads (none vs shown). On rating, ratings volume, update cadence and device support there is nothing between them.

SBF See Theorie is free to download; SRC LRC UBI costs $8.99 up front. SBF See Theorie sells 5 one-off in-app purchases. SRC LRC UBI asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for SRC LRC UBI against 5.0 for SBF See Theorie. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 100% of SRC LRC UBI's written reviews are positive against 88% of SBF See Theorie's.

SRC LRC UBI ships an update every 2 months, SBF See Theorie every 3 months. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SRC LRC UBI | SBF See Theorie |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/src-lrc-ubi/id475220920/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/sbf-see-theorie/id839483464/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | **100.0% of reviews** | 88.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 5 MB | 24 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ralf Goritz](https://appshunter.io/developer/418069908) | [Ralph Schoen](https://appshunter.io/developer/839483467) |

## What reviewers say

### SRC LRC UBI

[App page](https://appshunter.io/ios/app/src-lrc-ubi/id475220920)

Prepare for your radio operator exams with intelligent learning systems. Features include flashcards, spoken content, detailed statistics, and official question catalogs for SRC, LRC, and UBI certifications. Study offline with synchronized devices.

**Highlights:** Leitner flashcard system, Spoken radio texts and vocabulary (TTS), Intelligent 'Uncertain Questions' mode, Detailed graphical statistics, Official exam question catalogs (SRC, LRC, UBI), iCloud device synchronization, Offline functionality

**In-app purchases:** none


### SBF See Theorie

[App page](https://appshunter.io/ios/app/sbf-see-theorie/id839483464)

Master the official boating license for inland waters with interactive learning tools. Utilize a spaced repetition system to retain knowledge and practice with simulated exams. Track your progress and prepare effectively for your certification.

**Highlights:** Leitner Box Score learning system, Practice by category or full question catalog, Mark and practice specific questions, Simulate theory exams with feedback, View and save exam errors, Progress tracking with percentage indicators, Dark Mode support

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support Level S | $5.99 | one-time |
| SBF See Theorie (without ads) | $8.99 | one-time |
| Support Level M | $11.99 | one-time |
| Support Level L | $17.99 | one-time |
| Support Level XL | $24.99 | one-time |


## Frequently asked questions

### Is SRC LRC UBI free?

SRC LRC UBI costs $8.99, with no in-app purchases.

### Is SBF See Theorie free?

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

### Which has better reviews, SRC LRC UBI or SBF See Theorie?

SRC LRC UBI and SBF See Theorie are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do SRC LRC UBI or SBF See Theorie have ads?

SBF See Theorie shows ads; SRC LRC UBI does not.

### Which is updated more often, SRC LRC UBI or SBF See Theorie?

SRC LRC UBI ships an update every 2 months, and SBF See Theorie every 3 months. Most recently, SRC LRC UBI was updated on October 19, 2026 and SBF See Theorie on October 14, 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.*