# Ar vs Octave Projet Voltaire

The clearest difference is in-app purchases: Octave Projet Voltaire at none against Ar's 4. Octave Projet Voltaire also leads on update cadence (every 2 months vs every 74 months) and iOS requirement (12.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Ar sells 4 one-off in-app purchases. Octave Projet Voltaire asks for nothing beyond the download.

Ar ships an update every 74 months, Octave Projet Voltaire every 2 months. The most recent releases landed on October 16, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Ar | Octave Projet Voltaire |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 74 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 44 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NMS Narcisse Mavoha Solutions Sarl](https://appshunter.io/developer/963941606) | [Woonoz SAS](https://appshunter.io/developer/441061315) |

## What reviewers say

### Ar

[App page](https://appshunter.io/ios/app/ar-ticuler/id852224484)

Practice speaking complex French phrases with ease and speed. This app offers a variety of exercises, adjustable voice settings, and customizable text for an optimal learning experience. Improve your diction for public speaking, speech therapy, or simply for fun.

**Highlights:** Dozens of phrases by difficulty, Integrated speech synthesis for rhythm and intonation, Adjustable speed and pitch, Customizable text size, color, and style, Suitable for speech therapy and public speaking

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Articuler 1 | $0.99 | one-time |
| Articuler 2 | $0.99 | one-time |
| Articuler 3 | $0.99 | one-time |
| Articuler 4 | $0.99 | one-time |


### Octave Projet Voltaire

[App page](https://appshunter.io/ios/app/octave-projet-voltaire/id6499595366)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Ar free?

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

### Is Octave Projet Voltaire free?

Octave Projet Voltaire is free to download, with no in-app purchases.

### Do Ar or Octave Projet Voltaire have ads?

Neither Ar nor Octave Projet Voltaire shows ads.

### Which is updated more often, Ar or Octave Projet Voltaire?

Ar ships an update every 74 months, and Octave Projet Voltaire every 2 months. Most recently, Ar was updated on October 16, 2026 and Octave Projet Voltaire on September 11, 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.*