# Private Pilot Test Prep vs Sky

The clearest difference is price: Sky at Free against Private Pilot Test Prep's $14.99. Private Pilot Test Prep's advantage is in-app purchases (none vs 2) and chart position (#14 vs unranked). On ads and device support there is nothing between them.

Sky is free to download; Private Pilot Test Prep costs $14.99 up front. Sky sells 2 in-app purchases, starting at $19.99 per month. Private Pilot Test Prep asks for nothing beyond the download.

## The numbers

| Metric | Private Pilot Test Prep | Sky |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | **[4.3 (115 ratings)](https://appshunter.io/ios/app/private-pilot-test-prep/id414141811/reviews)** | — |
| Number of ratings | **115** | — |
| Positive reviews | 81.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Best chart rank | **#14** | — |
| Size | 27 MB | 26 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sporty's Pilot Shop](https://appshunter.io/developer/371817958) | [Jeffrey Yost](https://appshunter.io/developer/1794038216) |

## What reviewers say

### Private Pilot Test Prep

[App page](https://appshunter.io/ios/app/private-pilot-test-prep/id414141811)

**Currently charting:** #14 Top Paid · Education (US App Store)

Prepare for your FAA written test with this comprehensive study tool. It offers three modes: study questions by topic with detailed explanations, review using flashcards, and take full-length practice tests. Track your progress with detailed reports.

**Highlights:** Study questions by topic, Custom review sessions, Detailed answer explanations, Flashcard review mode, Simulated practice tests, Progress reports

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

**In-app purchases:** none

**What reviewers like**

- ✅ Excellent for exam prep
- 💯 Questions are verbatim/similar
- 💡 Affordable and valuable
- 👍 Easy to use and navigate
- 📚 Good explanations

**What reviewers complain about**

- ⚠️ Some questions outdated/inaccurate
- 📉 Not all questions match real exam
- 😵 Repeat questions in test mode
- 📱 Difficult to use on small screens
- 🤔 Explanations not always perfect

**Reported bugs**

- App crashes in test mode
- Progress not saved on phone
- Blackout bug when viewing figures or rotating screen
- Crashes after deleting test sessions
- Not updated for iPhone X

**Requested features**

- Ability to save flagged questions across sessions
- Randomized questions in test mode
- Improved cross-device progress syncing (iCloud)
- Interactive map features for practice
- Search functionality for specific questions


### Sky

[App page](https://appshunter.io/ios/app/sky-bound/id6759512237)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sky-Bound Pro Monthly | $19.99 | per month |
| Sky-Bound Pro Yearly | $119.99 | per year |


## Frequently asked questions

### Is Private Pilot Test Prep free?

Private Pilot Test Prep costs $14.99, with no in-app purchases.

### Is Sky free?

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

### Do Private Pilot Test Prep or Sky have ads?

Neither Private Pilot Test Prep nor Sky 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.*