Pilot vs Quad Defects
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pilot
This reference app provides flight crews with fast, offline access to over 14,000 aviation abbreviations and acronyms. It includes organized lists for general terms, datalink messages, airports, aircraft registrations, and airlines, drawing from numerous international sources.
- Offline access to 14,000+ aviation abbreviations
- Organized lists: general, CPDLC, airports, registrations, airlines
- Covers FAA, NOTAM, EASA, Jeppesen, and more
- Fast and intuitive search functionality
- Created by a pilot for pilots
- Optimized for flight planning and in-flight reference
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Pilot-Abbr – Aviation Abbreviations for Flight Crews Pilot-Abbr is a powerful reference app designed for professional pilots, providing fast, offline access to over 14,000 aviation abbreviations and acronyms from international sources. Main Features: Five Organized Lists: • Abbreviations – General aviation terms used by pilots. • CPDLC Messages – Commonly used datalink message elements. • Airports – IATA and ICAO codes, airport name, city, and flag. • Registrations – Aircraft registration codes by country. • Airlines – IATA and ICAO codes, airline name, and country. Sources Include: • FAA Abbreviations • U.S. Aeronautical Contractions • NOTAM Abbreviations • Canadian AIM • Performance-Based Navigation (PBN) • Jeppesen • Boeing Acronyms • EASA Acronyms • Dangerous Goods and Ground Handling codes • And more Whether you're decoding a NOTAM, preparing for departure, or reviewing CPDLC messages, Pilot-Abbr gives you the reference you need — anytime, even offline. Why Pilots Use Pilot-Abbr: • Created by a pilot, for pilots • Fast, intuitive search • Covers operational, regulatory, and airline-specific terms • Optimized for flight planning, briefing, and in-flight reference Subscription Details • $4.99/year, auto-renewable • Subscription renews automatically unless canceled at least 24 hours before the end of the current period • Payment will be charged to your iTunes account at confirmation of purchase • Manage or cancel your subscription in your iTunes account settings • No partial refunds Legal • Privacy Policy & Terms of Service: https://villarroel98.wixsite.com/hazmat-pjv/about • Apple EULA (End User License Agreement): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Pilot-Abbr — The most complete aviation abbreviation tool on the App Store. Essential for every flight crew.
Quad Defects
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Quad Defects is designed to streamline maintenance, quality checks, and registering defects. Easily capture, document, and upload images or videos of part defects such as wear, dents, or breakdowns. Update and access work instruction videos for specific parts or processes, ensuring standardized operations and clear communication between field staff and supervisors.
Screenshots
Verdict
The clearest difference is in-app purchases: Quad Defects at none against Pilot's 1. Quad Defects also leads on update cadence (daily vs every 31 months) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Pilot sells 1 in-app purchase, starting at $4.99 per year. Quad Defects asks for nothing beyond the download.
Pilot ships an update every 31 months, Quad Defects daily. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.
| Parameter | Pilot | Quad Defects |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 31 months | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 32 MB |
| Age rating | 4+ | 17+ |
| Developer | Pedro Jose Villarroel Cuevas | Autosys Industrial Solutions Private Limited |
In-app purchases
Pilot
- PilotAbbr Subscription$4.991 Year
Quad Defects
No in-app purchases
Questions
Is Pilot free?
Is Quad Defects free?
Do Pilot or Quad Defects have ads?
Which is updated more often, Pilot or Quad Defects?
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