# CommStudy vs FCC GROL & GMDSS Prep

The clearest difference is update cadence: FCC GROL & GMDSS Prep at fortnightly against CommStudy's every 20 months. CommStudy's advantage is iOS requirement (9.3 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CommStudy sells 7 one-off in-app purchases and FCC GROL & GMDSS Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

CommStudy ships an update every 20 months, FCC GROL & GMDSS Prep fortnightly. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | CommStudy | FCC GROL & GMDSS Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (49 ratings)](https://appshunter.io/ios/app/commstudy/id337472575/reviews)** | — |
| Number of ratings | **49** | — |
| Positive reviews | 91.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 42 MB | 17 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) | [Rivermap Ai Solutions Ltd](https://appshunter.io/developer/1880642479) |

## 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 |


### FCC GROL & GMDSS Prep

[App page](https://appshunter.io/ios/app/fcc-grol-and-gmdss-prep/id6785413535)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GROL Exam Full Unlock | $14.99 | one-time |


## Frequently asked questions

### Is CommStudy free?

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

### Is FCC GROL & GMDSS Prep free?

FCC GROL & GMDSS Prep is free to download, with in-app purchases available.

### Do CommStudy or FCC GROL & GMDSS Prep have ads?

Neither CommStudy nor FCC GROL & GMDSS Prep shows ads.

### Which is updated more often, CommStudy or FCC GROL & GMDSS Prep?

CommStudy ships an update every 20 months, and FCC GROL & GMDSS Prep fortnightly. Most recently, CommStudy was updated on October 8, 2026 and FCC GROL & GMDSS Prep on October 12, 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.*