# Altissia vs Riemann

The clearest difference is update cadence: Altissia at monthly against Riemann's every 12 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Altissia ships an update monthly, Riemann every 12 months. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Altissia | Riemann |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (6 ratings)](https://appshunter.io/ios/app/altissia/id1465933227/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 19.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 12 months |
| Monetization | Free | — |
| Size | 98 MB | 280 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Altissia](https://appshunter.io/developer/1359208064) | [Mohammed EL KASMI](https://appshunter.io/developer/1737585970) |

## What reviewers say

### Altissia

[App page](https://appshunter.io/ios/app/altissia/id1465933227)

Assess and enhance your language abilities with a mobile tool that adapts to your proficiency. Practice 26 languages with instant, detailed CEFR-aligned results and personalized learning paths. Engage with real-world content and stay updated with current news.

**Highlights:** Level testing in 26 languages, Instant, detailed CEFR results, Personalized learning journey, Practice with real-world content, Professional-focused modules

**Features:** Vision Pro support

**In-app purchases:** none


### Riemann

[App page](https://appshunter.io/ios/app/riemann/id6749231010)

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

**In-app purchases:** none


## Frequently asked questions

### Is Altissia free?

Altissia is free to download, with no in-app purchases.

### Is Riemann free?

Riemann is free to download, with no in-app purchases.

### Do Altissia or Riemann have ads?

Neither Altissia nor Riemann shows ads.

### Which is updated more often, Altissia or Riemann?

Altissia ships an update monthly, and Riemann every 12 months. Most recently, Altissia was updated on November 3, 2026 and Riemann on October 28, 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.*