# linguaArbor vs Stimmriff

The clearest difference is price: linguaArbor at Free against Stimmriff's $1.99. Stimmriff's advantage is in-app purchases (none vs 2) and ads (none vs shown). On update cadence, device support and iOS requirement there is nothing between them.

linguaArbor is free to download; Stimmriff costs $1.99 up front. linguaArbor sells 2 in-app purchases, starting at $3.99 per month. Stimmriff asks for nothing beyond the download.

linguaArbor ships an update monthly, Stimmriff fortnightly. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | linguaArbor | Stimmriff |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | — | Paid |
| Size | 263 MB | 7 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Phivolt Srls](https://appshunter.io/developer/1826564993) | [Fabian Lehmann](https://appshunter.io/developer/1890464868) |

## What reviewers say

### linguaArbor

[App page](https://appshunter.io/ios/app/linguaarbor-learn-languages/id6760269164)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Yearly | $22.99 | per year |


### Stimmriff

[App page](https://appshunter.io/ios/app/stimmriff-speech-training/id6797248419)

Improve your speaking clarity, pace, and reduce filler words through engaging game-like exercises. Watch your virtual reef flourish as your speech improves, with dedicated modes for children and progress tracking.

**Highlights:** Speech clarity and pronunciation practice, Pacing and filler word reduction, Gamified learning with a virtual reef, 100 levels across five distinct regions, Progress tracking with benchmarks, Targeted exercises for difficult sounds, Junior mode for children

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

**In-app purchases:** none


## Frequently asked questions

### Is linguaArbor free?

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

### Is Stimmriff free?

Stimmriff costs $1.99, with no in-app purchases.

### Do linguaArbor or Stimmriff have ads?

linguaArbor shows ads; Stimmriff does not.

### Which is updated more often, linguaArbor or Stimmriff?

linguaArbor ships an update monthly, and Stimmriff fortnightly. Most recently, linguaArbor was updated on October 25, 2026 and Stimmriff on October 26, 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.*