# Prepware Instrument Pilot vs Airspace Ace

The clearest difference is price: Airspace Ace at $1.99 against Prepware Instrument Pilot's $9.99. Airspace Ace also leads on update cadence (daily vs every 4 months). Prepware Instrument Pilot's advantage is iOS requirement (15.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

Prepware Instrument Pilot costs $9.99 and Airspace Ace $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Prepware Instrument Pilot ships an update every 4 months, Airspace Ace daily. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Prepware Instrument Pilot | Airspace Ace |
| --- | --- | --- |
| Price | $9.99 | **$1.99** |
| Rating | **[2.6 (45 ratings)](https://appshunter.io/ios/app/prepware-instrument-pilot/id338887882/reviews)** | — |
| Number of ratings | **45** | — |
| Positive reviews | 37.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Monetization | Free | — |
| Size | 36 MB | 11 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ASA](https://appshunter.io/developer/334278379) | [JONOTHON CONE](https://appshunter.io/developer/1493556554) |

## What reviewers say

### Prepware Instrument Pilot

[App page](https://appshunter.io/ios/app/prepware-instrument-pilot/id338887882)

Prepare for your FAA Knowledge Exam with flashcard-style reviews and practice tests. Study by subject or take a full practice exam to gauge your readiness.

**Highlights:** Flashcard-style review, Questions, answers, and explanations, Study by subject, Practice test simulation, FAA Knowledge Exam preparation

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

**In-app purchases:** none

**What reviewers like**

- 👍 Good value for money
- 👍 Offline functionality
- 👍 Helpful for passing written exams
- 👍 Simple interface
- 👍 Explanations provided

**What reviewers complain about**

- 👎 Outdated question bank
- 👎 Inaccurate questions/answers
- 👎 Missing core features
- 👎 Poor optimization for iPad
- 👎 Formatting issues

**Reported bugs**

- Text frequently cut off
- App cannot dynamically scale text
- Some questions missing figures
- Figures have nothing to do with the question
- Correct answers no longer shown in green

**Requested features**

- Ability to focus on previously incorrect answers
- Major update for functionality and display bugs
- Ensure all software is up to date with FAA question banks
- Add timer and number of questions selection
- Ability to eliminate questions already known


### Airspace Ace

[App page](https://appshunter.io/ios/app/airspace-ace/id6779280998)

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

**In-app purchases:** none


## Frequently asked questions

### Is Prepware Instrument Pilot free?

Prepware Instrument Pilot costs $9.99, with no in-app purchases.

### Is Airspace Ace free?

Airspace Ace costs $1.99, with no in-app purchases.

### Do Prepware Instrument Pilot or Airspace Ace have ads?

Neither Prepware Instrument Pilot nor Airspace Ace shows ads.

### Which is updated more often, Prepware Instrument Pilot or Airspace Ace?

Prepware Instrument Pilot ships an update every 4 months, and Airspace Ace daily. Most recently, Prepware Instrument Pilot was updated on October 24, 2026 and Airspace Ace on October 16, 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.*