# Mechanical Dictionary vs Mechanical FE Prep

The clearest difference is rating: Mechanical FE Prep at 5.0 against Mechanical Dictionary's 4.4. Mechanical FE Prep also leads on ads (none vs shown) and update cadence (every 5 days vs every 9 months). On price, review sentiment, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Mechanical Dictionary sells 5 in-app purchases, starting at $1.99 per 7 days and Mechanical FE Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Mechanical FE Prep holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Mechanical Dictionary ships an update every 9 months, Mechanical FE Prep every 5 days. The most recent releases landed on October 3, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Mechanical Dictionary | Mechanical FE Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (5 ratings)](https://appshunter.io/ios/app/mechanical-dictionary-offline/id1480363529/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mechanical-fe-prep/id1585519077/reviews)** |
| Number of ratings | **5** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 67 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Puju Dekivadiya](https://appshunter.io/developer/1289574712) | [EnginPeers LLC](https://appshunter.io/developer/1368846655) |

## 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 (5)**

| 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 |
| Remove Ads | $9.99 | one-time |
| Lifetime Access | $39.99 | one-time |


### Mechanical FE Prep

[App page](https://appshunter.io/ios/app/mechanical-fe-prep/id1585519077)

Prepare for Mechanical Engineering courses and the Fundamentals of Engineering exam with this comprehensive mobile study tool. Access over 15 engineering topics, practice exams, and detailed test analysis to master the material and pass with confidence.

**Highlights:** 15+ Engineering topics, Practice exams, Test analysis, Flashcards, Subject review, Exam prep

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |


## Frequently asked questions

### Is Mechanical Dictionary free?

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

### Is Mechanical FE Prep free?

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

### Which has better reviews, Mechanical Dictionary or Mechanical FE Prep?

Mechanical FE Prep is rated higher. Mechanical Dictionary averages 4.4 out of 5 from 5 ratings, while Mechanical FE Prep averages 5.0 from 2 ratings.

### Do Mechanical Dictionary or Mechanical FE Prep have ads?

Mechanical Dictionary shows ads; Mechanical FE Prep does not.

### Which is updated more often, Mechanical Dictionary or Mechanical FE Prep?

Mechanical Dictionary ships an update every 9 months, and Mechanical FE Prep every 5 days. Most recently, Mechanical Dictionary was updated on October 3, 2026 and Mechanical FE Prep on September 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.*