# Instrument Test Prep vs Pass the Written

The clearest difference is in-app purchases: Pass the Written at none against Instrument Test Prep's 4. Pass the Written also leads on iOS requirement (13.0 vs 17.1). On price, ads and device support there is nothing between them.

Both are free to download. Instrument Test Prep sells 4 one-off in-app purchases. Pass the Written asks for nothing beyond the download.

## The numbers

| Metric | Instrument Test Prep | Pass the Written |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (152 ratings)](https://appshunter.io/ios/app/instrument-test-prep/id1456043080/reviews)** | — |
| Number of ratings | **152** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 116 MB | 8 MB |
| Requires iOS | 17.1 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Aeroapps Technology](https://appshunter.io/developer/923860276) | [Test Pilot LLC](https://appshunter.io/developer/1743173082) |

## What reviewers say

### Instrument Test Prep

[App page](https://appshunter.io/ios/app/instrument-test-prep/id1456043080)

Prepare for your FAA Instrument Rating Knowledge Test with a comprehensive question bank and detailed explanations. Customize study sessions, take simulated exams, and track your progress. An optional upgrade unlocks full ground school lessons and advanced features.

**Highlights:** Over 900 FAA questions with explanations, Customizable study sessions, Simulated FAA exams, Review missed questions, Track progress across devices, Study resources library

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Instrument Ground School Trial | Free | one-time |
| Instrument Rating Test Prep | $49.99 | one-time |
| Upgrade to Ground School | $129.99 | one-time |
| Instrument Ground School | $179.99 | one-time |


### Pass the Written

[App page](https://appshunter.io/ios/app/pass-the-written/id6499319813)

**In-app purchases:** none


## Frequently asked questions

### Is Instrument Test Prep free?

Instrument Test Prep is free to download, with in-app purchases available.

### Is Pass the Written free?

Pass the Written is free to download, with no in-app purchases.

### Do Instrument Test Prep or Pass the Written have ads?

Neither Instrument Test Prep nor Pass the Written shows ads.

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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.*