# Bilingual technical dictionary vs Sounafy

The clearest difference is update cadence: Sounafy at every 3 weeks against Bilingual technical dictionary's every 3 months. Sounafy also leads on iOS requirement (15.6 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Bilingual technical dictionary sells 3 in-app purchases, starting at $0.99 per month and Sounafy sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Bilingual technical dictionary ships an update every 3 months, Sounafy every 3 weeks. The most recent releases landed on October 23, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Bilingual technical dictionary | Sounafy |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Freemium | — |
| Size | 23 MB | 34 MB |
| Requires iOS | 18.6 | **15.6** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jérôme Goursau](https://appshunter.io/developer/427950097) | [Mohamed MADOUI](https://appshunter.io/developer/1236534713) |

## What reviewers say

### Bilingual technical dictionary

[App page](https://appshunter.io/ios/app/bilingual-technical-dictionary/id427950094)

This app provides a comprehensive bilingual technical dictionary for English and French, offering over 50,000 specialized terms across numerous industrial and scientific fields. It features contextual definitions, pronunciation guides, offline access, and favorites for quick lookups.

**Highlights:** 50,000+ specialized terms, Contextual definitions, Pronunciation guides, Offline availability, Favorites list, French-English and English-French translation

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $0.99 | per month |
| Annual subscription | $6.99 | per year |
| Application purchase | $14.99 | one-time |


### Sounafy

[App page](https://appshunter.io/ios/app/sounafy/id6744977796)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sounafy AJR Monthly | $0.99 | per month |
| Sounafy AJR Annual | $9.99 | per year |


## Frequently asked questions

### Is Bilingual technical dictionary free?

Bilingual technical dictionary is free to download, with in-app purchases available.

### Is Sounafy free?

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

### Do Bilingual technical dictionary or Sounafy have ads?

Neither Bilingual technical dictionary nor Sounafy shows ads.

### Which is updated more often, Bilingual technical dictionary or Sounafy?

Bilingual technical dictionary ships an update every 3 months, and Sounafy every 3 weeks. Most recently, Bilingual technical dictionary was updated on October 23, 2026 and Sounafy on October 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.*