# Mechanical Dictionary vs Electrical Dictionary Offline.

The clearest difference is in-app purchases: Electrical Dictionary Offline. at none against Mechanical Dictionary's 4. Mechanical Dictionary's advantage is update cadence (every 9 months vs every 78 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Mechanical Dictionary sells 4 in-app purchases, starting at $1.99 per 7 days. Electrical Dictionary Offline. asks for nothing beyond the download.

Mechanical Dictionary ships an update every 9 months, Electrical Dictionary Offline. every 78 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Mechanical Dictionary | Electrical Dictionary Offline. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (5 ratings)](https://appshunter.io/ios/app/mechanical-dictionary-offline/id1480363529/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 9 months** | Every 78 months |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 10 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Puju Dekivadiya](https://appshunter.io/developer/1289574712) | [Andrew Putranto](https://appshunter.io/developer/1097285857) |

## What reviewers say

### Mechanical Dictionary

[App page](https://appshunter.io/ios/app/mechanical-dictionary-offline/id1480363529)

This app provides a comprehensive offline dictionary for mechanical engineering terms. It includes video lessons, tests, and expert coaching to enhance knowledge in the field. Features like search, audio pronunciation, and daily word learning are available.

**Highlights:** Offline access to thousands of terms, Search and bookmark functionality, Audio pronunciation of words, Daily 'Word of the Day' feature, Multiple choice quizzes, Customizable color themes

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro Plan | $1.99 | per 7 days |
| Monthly Pro Plan | $4.99 | per month |
| Yearly Pro Plan | $29.99 | per year |
| Lifetime Access | $39.99 | one-time |


### Electrical Dictionary Offline.

[App page](https://appshunter.io/ios/app/electrical-dictionary-offline/id1513764318)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Mechanical Dictionary free?

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

### Is Electrical Dictionary Offline. free?

Electrical Dictionary Offline. is free to download, with no in-app purchases.

### Do Mechanical Dictionary or Electrical Dictionary Offline. have ads?

Both Mechanical Dictionary and Electrical Dictionary Offline. show ads.

### Which is updated more often, Mechanical Dictionary or Electrical Dictionary Offline.?

Mechanical Dictionary ships an update every 9 months, and Electrical Dictionary Offline. every 78 months. Most recently, Mechanical Dictionary was updated on November 3, 2026 and Electrical Dictionary Offline. on November 3, 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.*