# SRC LRC UBI vs Pyrotechnik FKN

The clearest difference is review sentiment: SRC LRC UBI at 100% against Pyrotechnik FKN's 29%. Pyrotechnik FKN's advantage is price ($0.99 vs $8.99) and iOS requirement (15.0 vs 17.0). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

SRC LRC UBI costs $8.99 and Pyrotechnik FKN $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SRC LRC UBI | Pyrotechnik FKN |
| --- | --- | --- |
| Price | $8.99 | **$0.99** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/src-lrc-ubi/id475220920/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **100.0% of reviews** | 28.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Paid | Paid |
| Size | 5 MB | 29 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ralf Goritz](https://appshunter.io/developer/418069908) | [Jan Philipp Dahms](https://appshunter.io/developer/1474942026) |

## 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


### Pyrotechnik FKN

[App page](https://appshunter.io/ios/app/pyrotechnik-fkn/id590382873)

Prepare for the theoretical part of the maritime distress signal certification exam. Practice with interactive questions, track your progress, and utilize a spaced repetition system for effective learning on your iOS device.

**Highlights:** Interactive exam practice, Spaced repetition learning system, Searchable question database, Progress tracking statistics, Offline access, Knot tying guide

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

**In-app purchases:** none


## Frequently asked questions

### Is SRC LRC UBI free?

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

### Is Pyrotechnik FKN free?

Pyrotechnik FKN costs $0.99, with no in-app purchases.

### Do SRC LRC UBI or Pyrotechnik FKN have ads?

Neither SRC LRC UBI nor Pyrotechnik FKN shows ads.

### Which is updated more often, SRC LRC UBI or Pyrotechnik FKN?

SRC LRC UBI ships an update every 2 months, and Pyrotechnik FKN every 2 months. Most recently, SRC LRC UBI was updated on November 1, 2026 and Pyrotechnik FKN on October 24, 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.*