# Private Pilot Course vs ML_Engineering

The clearest difference is price: ML_Engineering at Free against Private Pilot Course's $29.99. ML_Engineering also leads on update cadence (every 3 weeks vs every 38 months). Private Pilot Course's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 17.0). On ads and device support there is nothing between them.

ML_Engineering is free to download; Private Pilot Course costs $29.99 up front. ML_Engineering sells 1 in-app purchase, starting at $1.99 per month. Private Pilot Course asks for nothing beyond the download.

Private Pilot Course ships an update every 38 months, ML_Engineering every 3 weeks. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Private Pilot Course | ML_Engineering |
| --- | --- | --- |
| Price | $29.99 | **Free** |
| Rating | **[3.5 (6 ratings)](https://appshunter.io/ios/app/private-pilot-course-ground/id731546828/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 749 MB | 5 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Flight Training Apps, Inc.](https://appshunter.io/developer/438868778) | [Luke Mclaughlin](https://appshunter.io/developer/1893671036) |

## What reviewers say

### Private Pilot Course

[App page](https://appshunter.io/ios/app/private-pilot-course-ground/id731546828)

Prepare for the ground portion of your FAA Private Pilot Practical Test with realistic checkride scenarios and expert insights. Includes essential FAA handbooks, a knowledge quiz, and flight calculators.

**Highlights:** Realistic checkride oral enactment, Examiner and instructor insights, FAA Airplane Flying Handbook, Private Pilot PTS, Knowledge quiz, Flight calculators

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

**In-app purchases:** none


### ML_Engineering

[App page](https://appshunter.io/ios/app/ml-engineering/id6789723889)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ML_Engineering Pro | $1.99 | per month |


## Frequently asked questions

### Is Private Pilot Course free?

Private Pilot Course costs $29.99, with no in-app purchases.

### Is ML_Engineering free?

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

### Do Private Pilot Course or ML_Engineering have ads?

Neither Private Pilot Course nor ML_Engineering shows ads.

### Which is updated more often, Private Pilot Course or ML_Engineering?

Private Pilot Course ships an update every 38 months, and ML_Engineering every 3 weeks. Most recently, Private Pilot Course was updated on October 4, 2026 and ML_Engineering on October 9, 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.*