# Bilingual technical dictionary vs VisualTerms of construction

The clearest difference is review sentiment: VisualTerms of construction at 100% against Bilingual technical dictionary's 50%. VisualTerms of construction also leads on in-app purchases (none vs 3) and update cadence (every 6 weeks vs every 3 months). Bilingual technical dictionary's advantage is price (Free vs $8.99). On ads and device support there is nothing between them.

Bilingual technical dictionary is free to download; VisualTerms of construction costs $8.99 up front. Bilingual technical dictionary sells 3 in-app purchases, starting at $0.99 per month. VisualTerms of construction asks for nothing beyond the download.

Bilingual technical dictionary ships an update every 3 months, VisualTerms of construction every 6 weeks. Both last shipped on October 29, 2026.

## The numbers

| Metric | Bilingual technical dictionary | VisualTerms of construction |
| --- | --- | --- |
| Price | **Free** | $8.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/visualterms-of-construction/id1193055047/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | **Freemium** | Paid |
| Best chart rank | — | **#169** |
| Size | 23 MB | 103 MB |
| Requires iOS | 18.6 | **9.3** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jérôme Goursau](https://appshunter.io/developer/427950097) | [Arcature](https://appshunter.io/developer/1193055046) |

## 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 |


### VisualTerms of construction

[App page](https://appshunter.io/ios/app/visualterms-of-construction/id1193055047)

**Currently charting:** #169 Top Paid · Reference (US App Store)

This app provides a visual dictionary of construction and architectural terms with thousands of annotated drawings. It's useful for industry professionals, students, and DIY enthusiasts to quickly find and understand terminology and techniques. It also includes Spanish and French versions for translation through pictures.

**Highlights:** Thousands of annotated drawings, Categorized by themes, Zoomable illustrations, Offline access, Spanish and French versions included, Free content updates

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

**In-app purchases:** none


## Frequently asked questions

### Is Bilingual technical dictionary free?

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

### Is VisualTerms of construction free?

VisualTerms of construction costs $8.99, with no in-app purchases.

### Do Bilingual technical dictionary or VisualTerms of construction have ads?

Neither Bilingual technical dictionary nor VisualTerms of construction shows ads.

### Which is updated more often, Bilingual technical dictionary or VisualTerms of construction?

Bilingual technical dictionary ships an update every 3 months, and VisualTerms of construction every 6 weeks. Most recently, Bilingual technical dictionary was updated on October 29, 2026 and VisualTerms of construction on October 29, 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.*