# Instrument Test Prep vs TBM Boldface

The clearest difference is in-app purchases: TBM Boldface at none against Instrument Test Prep's 4. TBM Boldface also leads on update cadence (every 5 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

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

Instrument Test Prep ships an update fortnightly, TBM Boldface every 5 days. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Instrument Test Prep | TBM Boldface |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (155 ratings)](https://appshunter.io/ios/app/instrument-test-prep/id1456043080/reviews)** | — |
| Number of ratings | **155** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 122 MB | 4 MB |
| Requires iOS | 17.1 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Aeroapps Technology](https://appshunter.io/developer/923860276) | [MARK WALLACE WOLFGANG](https://appshunter.io/developer/1875078935) |

## 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 |


### TBM Boldface

[App page](https://appshunter.io/ios/app/tbm-boldface/id6804532133)

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

**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 TBM Boldface free?

TBM Boldface is free to download, with no in-app purchases.

### Do Instrument Test Prep or TBM Boldface have ads?

Neither Instrument Test Prep nor TBM Boldface shows ads.

### Which is updated more often, Instrument Test Prep or TBM Boldface?

Instrument Test Prep ships an update fortnightly, and TBM Boldface every 5 days. Most recently, Instrument Test Prep was updated on October 13, 2026 and TBM Boldface on October 10, 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.*