# Wind Tunnel Free vs Boldmethod

The clearest difference is in-app purchases: Wind Tunnel Free at none against Boldmethod's 9. Wind Tunnel Free also leads on iOS requirement (8.0 vs 15.6). Boldmethod's advantage is ratings volume (823 vs 51) and review sentiment (97% vs 82%). On price and rating there is nothing between them.

Both are free to download. Boldmethod sells 9 one-off in-app purchases. Wind Tunnel Free asks for nothing beyond the download.

Boldmethod holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Boldmethod has 823 ratings behind it against 51, so its average is the more settled of the two. Written reviews point the same way: 82% of Wind Tunnel Free's written reviews are positive against 97% of Boldmethod's.

## The numbers

| Metric | Wind Tunnel Free | Boldmethod |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (51 ratings)](https://appshunter.io/ios/app/wind-tunnel-free/id381971296/reviews) | **[4.9 (823 ratings)](https://appshunter.io/ios/app/boldmethod/id1507847293/reviews)** |
| Number of ratings | 51 | **823** |
| Positive reviews | 82.2% of reviews | **97.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 26 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Algorizk](https://appshunter.io/developer/381971299) | [BoldMethod, LLC](https://appshunter.io/developer/986988759) |

## What reviewers say

### Wind Tunnel Free

[App page](https://appshunter.io/ios/app/wind-tunnel-free/id381971296)

Simulate fluid dynamics on your mobile device. Draw obstacles and observe how fluids flow around them. Experiment with various shapes, sizes, and visualization modes to understand aerodynamic principles.

**Highlights:** Draw obstacles, Fluid flow simulation, Multiple visualization modes, Adjustable wind speed, Interactive touch actions, Preset models

**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 Wind Tunnel Free free?

Wind Tunnel Free is free to download, with no in-app purchases.

### Is Boldmethod free?

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

### Which has better reviews, Wind Tunnel Free or Boldmethod?

Boldmethod is rated higher. Wind Tunnel Free averages 4.7 out of 5 from 51 ratings, while Boldmethod averages 4.9 from 823 ratings.

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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.*