# Fire Code Mastery vs GROL Prep

The clearest difference is in-app purchases: GROL Prep at none against Fire Code Mastery's 4. GROL Prep also leads on device support. On price and iOS requirement there is nothing between them.

Both are free to download. Fire Code Mastery sells 4 in-app purchases, starting at $9.99 per month. GROL Prep asks for nothing beyond the download.

## The numbers

| Metric | Fire Code Mastery | GROL Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (16 ratings)](https://appshunter.io/ios/app/fire-code-mastery/id6760103585/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 69 MB | 35 MB |
| Requires iOS | 16 | **15.1** |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Webrich Software Limited](https://appshunter.io/developer/290203591) | [Mr Wolfe Aviation LLC](https://appshunter.io/developer/1896335149) |

## What reviewers say

### Fire Code Mastery

[App page](https://appshunter.io/ios/app/fire-code-mastery/id6760103585)

Prepare for fire alarm system certification exams with over 3,400 practice questions and detailed explanations. Includes mock tests, flashcards, 11 fire code calculators, and case studies to reinforce learning. Track your progress across all chapters of the NFPA 72 2025 Edition.

**Highlights:** 3,400+ practice questions, Detailed explanations with section references, Timed mock tests, Flashcard revision mode, 11 fire code calculators, AI-powered case studies, Progress tracking with visual charts

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Question Bank | $9.99 | per month |
| Full Question Bank | $19.99 | per 3 months |
| Full Question Bank Half Yearly | $29.99 | per 6 months |
| Full Question Bank | $39.99 | per year |


### GROL Prep

[App page](https://appshunter.io/ios/app/grol-prep/id6786787749)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fire Code Mastery free?

Fire Code Mastery is free to download, with in-app purchases available.

### Is GROL Prep free?

GROL Prep is free to download, with no in-app purchases.

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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.*