# iDictation vs Octave Projet Voltaire

The clearest difference is in-app purchases: Octave Projet Voltaire at none against iDictation's 2. Octave Projet Voltaire also leads on iOS requirement (12.0 vs 15.0). iDictation's advantage is update cadence (daily vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. iDictation sells 2 in-app purchases, starting at $12.95 per year. Octave Projet Voltaire asks for nothing beyond the download.

iDictation ships an update daily, Octave Projet Voltaire every 2 months. The most recent releases landed on November 10, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | iDictation | Octave Projet Voltaire |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (5 ratings)](https://appshunter.io/ios/app/idictation-dictations/id508373232/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 months |
| Monetization | Freemium | — |
| Size | 90 MB | 44 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eric MILLET](https://appshunter.io/developer/307090880) | [Woonoz SAS](https://appshunter.io/developer/441061315) |

## What reviewers say

### iDictation

[App page](https://appshunter.io/ios/app/idictation-dictations/id508373232)

Practice spelling and grammar with daily dictations in multiple languages. Listen, write, and understand your mistakes with explanations and personalized exercises. Track your progress and improve your language skills.

**Highlights:** Daily dictations in 7 languages, Listen, write, and correct mistakes, Explanations and tips for rules, Mistake notebook for review, Progress tracking and leagues, Catalog of dictations by level, Daily reminders

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iDictation + · Unlimited | $12.95 | per year |
| iDictation + · Full version | $4.49 | 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 iDictation free?

iDictation 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 iDictation or Octave Projet Voltaire have ads?

Neither iDictation nor Octave Projet Voltaire shows ads.

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

iDictation ships an update daily, and Octave Projet Voltaire every 2 months. Most recently, iDictation was updated on November 10, 2026 and Octave Projet Voltaire on November 4, 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.*