# FAR/AIM vs Big Brown ToolKit

The clearest difference is price: FAR/AIM at Free against Big Brown ToolKit's $4.99. FAR/AIM also leads on ratings volume (1.1K vs 6) and device support (4 vs 2). Big Brown ToolKit's advantage is review sentiment (100% vs 63%) and in-app purchases (none vs 1). On update cadence and ads there is nothing between them.

FAR/AIM is free to download; Big Brown ToolKit costs $4.99 up front. FAR/AIM sells 1 one-off in-app purchase. Big Brown ToolKit asks for nothing beyond the download.

Big Brown ToolKit holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: FAR/AIM has 1.1K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 63% of FAR/AIM's written reviews are positive against 100% of Big Brown ToolKit's.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 20, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | FAR/AIM | Big Brown ToolKit |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [4.7 (1.1K ratings)](https://appshunter.io/ios/app/faraim-faa-pilot-reference/id328979186/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/big-brown-toolkit/id6475022221/reviews)** |
| Number of ratings | **1.1K** | 6 |
| Positive reviews | 63.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#191** |
| Size | 134 MB | 24 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tekk Innovations LLC](https://appshunter.io/developer/320464672) | [Stealth Productions Limited](https://appshunter.io/developer/571321895) |

## What reviewers say

### FAR/AIM

[App page](https://appshunter.io/ios/app/faraim-faa-pilot-reference/id328979186)

Access comprehensive aviation regulations and the Aeronautical Information Manual on your mobile device. Stay updated with frequent content revisions and utilize powerful search and bookmarking tools for quick reference.

**Highlights:** Complete FAR/AIM text, Intelligent full-text search, Context-sensitive search, Bookmarks and highlights, Frequent content updates, Email sections

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Year Subscription | $24.99 | one-time |

**What reviewers like**

- 🚀 Quick reference
- 💡 Convenient digital format
- 👍 Up-to-date information
- 👍 Excellent customer service

**What reviewers complain about**

- 💰 Expensive subscription
- 🐛 Crashes and bugs
- 🔍 Poor search functionality
- 🔒 Locked content behind paywall

**Reported bugs**

- Highlighting causes app to crash
- Bookmarking feature is unreliable
- Subscription issues and billing problems

**Requested features**

- Ability to highlight and bookmark content
- Improved organization and navigation
- Sync across devices
- Rotorcraft-specific regulations


### Big Brown ToolKit

[App page](https://appshunter.io/ios/app/big-brown-toolkit/id6475022221)

**Currently charting:** #191 Top Paid · Reference (US App Store)

This toolkit assists aircrew with daily tasks, offering calculations for duty periods, rest requirements, unit conversions, and weather decoding. It also includes tools for pay calculations, exchange rates, and specialized aviation metrics.

**Highlights:** Duty Period & Rest Calculations, Aviation Unit Conversions, Cross Wind & Runway State Decoding, SNOWTAM & Meteorological Decoding, Crew Rest & Pay Calculations, Low Temperature Altimetry & Density Altitude

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

**In-app purchases:** none


## Frequently asked questions

### Is FAR/AIM free?

FAR/AIM is free to download, with in-app purchases available.

### Is Big Brown ToolKit free?

Big Brown ToolKit costs $4.99, with no in-app purchases.

### Which has better reviews, FAR/AIM or Big Brown ToolKit?

Big Brown ToolKit is rated higher. FAR/AIM averages 4.7 out of 5 from 1.1K ratings, while Big Brown ToolKit averages 5.0 from 6 ratings.

### Do FAR/AIM or Big Brown ToolKit have ads?

Neither FAR/AIM nor Big Brown ToolKit shows ads.

### Which is updated more often, FAR/AIM or Big Brown ToolKit?

FAR/AIM ships an update fortnightly, and Big Brown ToolKit fortnightly. Most recently, FAR/AIM was updated on October 20, 2026 and Big Brown ToolKit on October 9, 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.*