# Instrument Pilot Test Prep vs Code Directory

The clearest difference is price: Code Directory at Free against Instrument Pilot Test Prep's $14.99. Code Directory also leads on update cadence (every 2 weeks vs every 5 months). Instrument Pilot Test Prep's advantage is chart position (#191 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Code Directory is free to download; Instrument Pilot Test Prep costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Instrument Pilot Test Prep ships an update every 5 months, Code Directory every 2 weeks. The most recent releases landed on September 21, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Instrument Pilot Test Prep | Code Directory |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | **[3.1 (16 ratings)](https://appshunter.io/ios/app/instrument-pilot-test-prep/id437392025/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 39.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Free | — |
| Best chart rank | **#191** | — |
| Size | 28 MB | 20 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sporty's Pilot Shop](https://appshunter.io/developer/371817958) | [Dzmitry Rybak](https://appshunter.io/developer/1754833234) |

## What reviewers say

### Instrument Pilot Test Prep

[App page](https://appshunter.io/ios/app/instrument-pilot-test-prep/id437392025)

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

Prepare for your FAA Instrument Pilot written test with a comprehensive study tool. It offers three modes: study questions by topic, review using flashcards, and take simulated practice tests. Detailed explanations and progress reports help you track your learning.

**Highlights:** Study questions by topic, Customizable review sessions, Flashcard mode for knowledge testing, Simulated 60-question practice tests, Detailed explanations for answers, Progress reports and test history, High-resolution FAA figures and legends

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

**In-app purchases:** none


### Code Directory

[App page](https://appshunter.io/ios/app/code-directory/id6505036762)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Instrument Pilot Test Prep free?

Instrument Pilot Test Prep costs $14.99, with no in-app purchases.

### Is Code Directory free?

Code Directory is free to download, with no in-app purchases.

### Do Instrument Pilot Test Prep or Code Directory have ads?

Neither Instrument Pilot Test Prep nor Code Directory shows ads.

### Which is updated more often, Instrument Pilot Test Prep or Code Directory?

Instrument Pilot Test Prep ships an update every 5 months, and Code Directory every 2 weeks. Most recently, Instrument Pilot Test Prep was updated on September 21, 2026 and Code Directory on May 16, 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.*