# SRC LRC UBI vs WALLA PM+

The clearest difference is price: WALLA PM+ at Free against SRC LRC UBI's $8.99. WALLA PM+ also leads on iOS requirement (15.0 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

WALLA PM+ is free to download; SRC LRC UBI costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SRC LRC UBI ships an update every 2 months, WALLA PM+ every 6 weeks. The most recent releases landed on September 23, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | SRC LRC UBI | WALLA PM+ |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| 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 | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Paid | — |
| Size | 5 MB | 59 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) | [Walla Consulting GmbH](https://appshunter.io/developer/1868729087) |

## 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


### WALLA PM+

[App page](https://appshunter.io/ios/app/walla-pm-plus/id6770373984)

**In-app purchases:** none


## Frequently asked questions

### Is SRC LRC UBI free?

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

### Is WALLA PM+ free?

WALLA PM+ is free to download, with no in-app purchases.

### Do SRC LRC UBI or WALLA PM+ have ads?

Neither SRC LRC UBI nor WALLA PM+ shows ads.

### Which is updated more often, SRC LRC UBI or WALLA PM+?

SRC LRC UBI ships an update every 2 months, and WALLA PM+ every 6 weeks. Most recently, SRC LRC UBI was updated on September 23, 2026 and WALLA PM+ on September 9, 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.*