# CommStudy vs Mechanical Test Trainer

The clearest difference is review sentiment: CommStudy at 91% against Mechanical Test Trainer's 23%. CommStudy also leads on price (Free vs $1.99) and rating (4.5 vs 3.4). Mechanical Test Trainer's advantage is in-app purchases (none vs 7). On ratings volume, update cadence, ads and device support there is nothing between them.

CommStudy is free to download; Mechanical Test Trainer costs $1.99 up front. CommStudy sells 7 one-off in-app purchases. Mechanical Test Trainer asks for nothing beyond the download.

CommStudy holds the better App Store score, 4.5 against 3.4. Both are backed by a comparable volume of ratings — 49 and 20 respectively. Written reviews point the same way: 91% of CommStudy's written reviews are positive against 23% of Mechanical Test Trainer's.

CommStudy ships an update every 20 months, Mechanical Test Trainer every 11 months. The most recent releases landed on September 16, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | CommStudy | Mechanical Test Trainer |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.5 (49 ratings)](https://appshunter.io/ios/app/commstudy/id337472575/reviews)** | [3.4 (20 ratings)](https://appshunter.io/ios/app/mechanical-test-trainer/id954212609/reviews) |
| Number of ratings | **49** | 20 |
| Positive reviews | **91.3% of reviews** | 23.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 11 months** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 42 MB | 136 MB |
| Requires iOS | **9.3** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Patrick J Maloney LLC](https://appshunter.io/developer/297951499) | [Seliant ApS](https://appshunter.io/developer/554676523) |

## What reviewers say

### CommStudy

[App page](https://appshunter.io/ios/app/commstudy/id337472575)

Prepare for your FCC Commercial License exam with this comprehensive study tool. Practice with sample questions and full elements, review figures, and track your proficiency across all topics. Take realistic practice exams and get immediate feedback to identify areas needing more study.

**Highlights:** Practice with sample and full FCC license exam elements, Review associated figures for questions, Track proficiency by subelement/topic, Realistic practice exams, Immediate feedback option, Resume in-progress tests, Configurable test settings

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Element 1 | $2.99 | one-time |
| Element 8 | $3.99 | one-time |
| Element 7R | $3.99 | one-time |
| Element 9 | $3.99 | one-time |
| Element 3 | $4.99 | one-time |
| Element 6 | $4.99 | one-time |
| Element 7 | $4.99 | one-time |


### Mechanical Test Trainer

[App page](https://appshunter.io/ios/app/mechanical-test-trainer/id954212609)

Prepare for mechanical aptitude tests with over 300 practice questions. Track your progress with detailed explanations and customized test modes. Improve your understanding of mechanical concepts and tools.

**Highlights:** Over 300 practice questions, Detailed answer explanations, Customizable test modes, Progress tracking and score charts, Mechanical comprehension and knowledge practice, Electrical knowledge and tools sections

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

**In-app purchases:** none


## Frequently asked questions

### Is CommStudy free?

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

### Is Mechanical Test Trainer free?

Mechanical Test Trainer costs $1.99, with no in-app purchases.

### Which has better reviews, CommStudy or Mechanical Test Trainer?

CommStudy is rated higher. CommStudy averages 4.5 out of 5 from 49 ratings, while Mechanical Test Trainer averages 3.4 from 20 ratings.

### Do CommStudy or Mechanical Test Trainer have ads?

Neither CommStudy nor Mechanical Test Trainer shows ads.

### Which is updated more often, CommStudy or Mechanical Test Trainer?

CommStudy ships an update every 20 months, and Mechanical Test Trainer every 11 months. Most recently, CommStudy was updated on September 16, 2026 and Mechanical Test Trainer on September 23, 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.*