# iPIPER Checkride Prep vs P.S/I.S. 66

The clearest difference is in-app purchases: P.S/I.S. 66 at none against iPIPER Checkride Prep's 11. iPIPER Checkride Prep's advantage is rating (4.2 vs 4.0) and iOS requirement (13.0 vs 15.6). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. iPIPER Checkride Prep sells 11 one-off in-app purchases. P.S/I.S. 66 asks for nothing beyond the download.

iPIPER Checkride Prep holds the better App Store score, 4.2 against 4.0. Both are backed by a comparable volume of ratings — 10 and 19 respectively.

iPIPER Checkride Prep ships an update every 5 weeks, P.S/I.S. 66 every 2 months. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | iPIPER Checkride Prep | P.S/I.S. 66 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (10 ratings)](https://appshunter.io/ios/app/ipiper-checkride-prep/id1504179074/reviews)** | [4.0 (19 ratings)](https://appshunter.io/ios/app/psis-66/id1529512516/reviews) |
| Number of ratings | 10 | **19** |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 74 MB | 237 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Aircraft Apps LLC](https://appshunter.io/developer/1499571546) | [Solved Education Consultancy, LLC](https://appshunter.io/developer/1506645558) |

## What reviewers say

### iPIPER Checkride Prep

[App page](https://appshunter.io/ios/app/ipiper-checkride-prep/id1504179074)

Prepare for aviation check rides and exams with AI-generated study questions from your flight manuals. This app supports multiple Piper aircraft models and offers tools for flashcards, quizzes, and weather information.

**Highlights:** AI-generated study questions, Import flight manuals, Keyword search within documents, Flashcards and quizzes, Aircraft system study, Worldwide weather and flight planning, Custom flashcard maker

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MindCoach: Personal Health | $19.99 | one-time |
| 20 FAA Handbooks & Manuals | $19.99 | one-time |
| Piper Archer Checkride Prep | $29.99 | one-time |
| Piper PA-28 Warrior Prep | $29.99 | one-time |
| Piper PA-28R-200 Arrow Prep | $29.99 | one-time |
| Piper PA-34 Seneca I Prep | $29.99 | one-time |
| Piper PA-34 Seneca II Prep | $29.99 | one-time |
| Piper PA-44 Seminole Prep | $29.99 | one-time |
| Cherokee 140 Checkride Prep | $29.99 | one-time |
| Piper PA28-181 Archer LX | $29.99 | one-time |
| Piper PA-46-350P M350 | $29.99 | one-time |


### P.S/I.S. 66

[App page](https://appshunter.io/ios/app/psis-66/id1529512516)

This app provides a unified digital hub for students, families, and educators. It offers direct access to academic schedules, real-time grades, school announcements, and PTA updates. With multilingual support and seamless integration with educational platforms, it simplifies school management and engagement for the entire community.

**Highlights:** Academic schedules and real-time grades, School announcements and notifications, Parent-Teacher Association updates, Staff directory, Student progress reports, Multilingual support (100+ languages), Integration with Google Classroom and ClassDojo

**In-app purchases:** none


## Frequently asked questions

### Is iPIPER Checkride Prep free?

iPIPER Checkride Prep is free to download, with in-app purchases available.

### Is P.S/I.S. 66 free?

P.S/I.S. 66 is free to download, with no in-app purchases.

### Which has better reviews, iPIPER Checkride Prep or P.S/I.S. 66?

iPIPER Checkride Prep is rated higher. iPIPER Checkride Prep averages 4.2 out of 5 from 10 ratings, while P.S/I.S. 66 averages 4.0 from 19 ratings.

### Do iPIPER Checkride Prep or P.S/I.S. 66 have ads?

Neither iPIPER Checkride Prep nor P.S/I.S. 66 shows ads.

### Which is updated more often, iPIPER Checkride Prep or P.S/I.S. 66?

iPIPER Checkride Prep ships an update every 5 weeks, and P.S/I.S. 66 every 2 months. Most recently, iPIPER Checkride Prep was updated on October 12, 2026 and P.S/I.S. 66 on October 11, 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.*