# Props & Governors vs Boldmethod

The clearest difference is price: Boldmethod at Free against Props & Governors's $5.99. Boldmethod also leads on ratings volume (983 vs 2) and update cadence (every 3 weeks vs every 3 months). Props & Governors's advantage is in-app purchases (none vs 9) and ads (none vs shown). On rating and review sentiment there is nothing between them.

Boldmethod is free to download; Props & Governors costs $5.99 up front. Boldmethod sells 9 one-off in-app purchases. Props & Governors asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Props & Governors against 4.9 for Boldmethod. That said, the two scores are not equally well evidenced: Boldmethod has 983 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 100% of Props & Governors's written reviews are positive against 97% of Boldmethod's.

Props & Governors ships an update every 3 months, Boldmethod every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Props & Governors | Boldmethod |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/props-and-governors/id936455214/reviews)** | [4.9 (983 ratings)](https://appshunter.io/ios/app/boldmethod/id1507847293/reviews) |
| Number of ratings | 2 | **983** |
| Positive reviews | **100.0% of reviews** | 97.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 4 MB | 26 MB |
| Requires iOS | **7.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod, Mac, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Aircraft Training Aids, LLC](https://appshunter.io/developer/692999325) | [BoldMethod, LLC](https://appshunter.io/developer/986988759) |

## What reviewers say

### Props & Governors

[App page](https://appshunter.io/ios/app/props-and-governors/id936455214)

Explore interactive diagrams and detailed explanations of single and multi-engine aircraft propeller and governor systems. Learn about manifold pressure, governor components like flyweights and pilot valves, and propeller parts such as counterweights and feathering pins.

**Highlights:** Interactive training diagrams, Complete systems presentation, Single and multi-engine aircraft coverage, Detailed text descriptions, Manifold pressure explanation, Propeller and governor component breakdown

**Features:** macOS Compatibility

**In-app purchases:** none


### Boldmethod

[App page](https://appshunter.io/ios/app/boldmethod/id1507847293)

Enhance your aviation knowledge with extensive video training and online courses. Practice with quizzes and master essential piloting skills like takeoffs, landings, airspace navigation, and weather interpretation. Prepare for checkrides and improve your flying proficiency.

**Highlights:** Extensive video training library, Online aviation courses, Pilot knowledge quizzes, Master takeoffs and landings, National Airspace System training, Aviation weather interpretation, VFR charts and publications

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aviation Weather Products | $19.99 | one-time |
| National Airspace System | $19.99 | one-time |
| VFR Charts | $19.99 | one-time |
| National Airspace System | $24.99 | one-time |
| Aviation Weather Products | $24.99 | one-time |
| VFR Charts and Publications | $24.99 | one-time |
| Mastering Takeoffs & Landings | $139.99 | one-time |
| Mountain Weather | $299.99 | one-time |
| Instrument Procedures | $499.99 | one-time |

**What reviewers like**

- 🚀 Great training with visual aids
- 👍 Thorough and logically presented
- 👍 Easy to understand and engaging instruction
- 👍 Comprehensive and full of practical advice
- 👍 Exceptional quality and polished presentation

**What reviewers complain about**

- 🔍 Lack of explanation for wrong answers in quizzes
- 🐛 Occasional crashing or freezing issues

**Reported bugs**

- Crashing or freezing issues
- Compatibility problems with older devices

**Requested features**

- Provide explanations for incorrect answers in quizzes
- Improve navigation and progress tracking through courses


## Frequently asked questions

### Is Props & Governors free?

Props & Governors costs $5.99, with no in-app purchases.

### Is Boldmethod free?

Boldmethod is free to download, with in-app purchases available.

### Which has better reviews, Props & Governors or Boldmethod?

Props & Governors is rated higher. Props & Governors averages 5.0 out of 5 from 2 ratings, while Boldmethod averages 4.9 from 983 ratings.

### Do Props & Governors or Boldmethod have ads?

Boldmethod shows ads; Props & Governors does not.

### Which is updated more often, Props & Governors or Boldmethod?

Props & Governors ships an update every 3 months, and Boldmethod every 3 weeks. Most recently, Props & Governors was updated on November 1, 2026 and Boldmethod on November 3, 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.*