ASA Library vs EEPP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ASA Library
Access and read your purchased eBooks from asa2fly.com on any device. Download titles for offline reading and utilize features like highlighting, bookmarking, and note-taking. An interactive table of contents and easy-to-read rendering enhance the reading experience.
- Offline eBook access
- Highlighting
- Bookmarking
- Note-taking
- Search functionality
- Interactive table of contents
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The ASA Library app allows you to read your ASA eBooks from anywhere. Easily access your eBooks purchased from asa2fly.com and download for offline access. Features include the ability to highlight, bookmark, and take notes, as well as search capability. An interactive table of contents provides a quick jump to specific chapters. Easy-to-read rendering and intuitive UI make reading enjoyable.
EEPP
This comprehensive aviation reference book provides plain English explanations of essential information for all pilots, from students to airline captains. It covers everything from props to heavy jets in a detailed, interactive digital format.
- Plain English explanations of aviation topics
- Interactive Table of Contents and Index
- Highlighting, underlining, and note-taking
- Drawing and writing directly on pages
- Siri text-to-speech functionality
- Insert custom images and diagrams
- Purchase new editions within the app
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EVERYTHING EXPLAINED for the PROFESSIONAL PILOT - 15th EDITION. For the Private Pilot or the Airline Captain… by far the #1 BEST SELLING aviation reference book in the world! Excruciatingly detailed PLAIN ENGLISH explanations of EVERYTHING essential for EVERY pilot. From student to airline captain… all will benefit. The ULTIMATE REFERENCE BOOK that explains all aspects of aviation from PROPS to HEAVY JETS. 450 pages crammed with virtually EVERY scrap of information essential and necessary for EVERY PILOT. If you can’t find it here you probably don’t need to know it. **Virtually identical to the best-selling print book but in full hi-def color. **Infinitely and crisply zoomable in Portrait, Landscape, or Multi-page views. **Totally interactive Table of Contents and INDEX zip you immediately to the page you’re looking for no matter what key word you could possibly imagine. **Highlight or underline text in any color. **Create notes in several different formats. **Add your own text anywhere in any font, font size, or color. **Bookmark pages and have access to only the bookmarked or annotated pages. **Write or draw directly on the page with your finger or stylus in any color. **Link effortlessly to an instant Google search of any selected text for further research. **Eyes getting tired? Select a portion of text, or even entire pages and Siri will read it out loud for you. **You even have the ability to insert any picture or diagram on your iPad’s camera roll directly into the app. Then size and position it anywhere you like. Tons of interesting possibilities with this truly unique feature. Photos or screen shots of your current aircraft’s systems maybe? Stick them anywhere in a related section and size them at will. WOW! **Purchase new editions from within the app and access old editions for cross-reference as regulations change.
Screenshots
Verdict
The clearest difference is review sentiment: EEPP at 94% against ASA Library's 11%. EEPP also leads on rating (4.8 vs 1.7) and update cadence (every 4 weeks vs every 12 months). ASA Library's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On price, ratings volume, ads and iOS requirement 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. EEPP sells 1 one-off in-app purchase. ASA Library asks for nothing beyond the download.
EEPP holds the better App Store score, 4.8 against 1.7. Both are backed by a comparable volume of ratings — 45 and 21 respectively. Written reviews point the same way: 11% of ASA Library's written reviews are positive against 94% of EEPP's.
ASA Library ships an update every 12 months, EEPP every 4 weeks. The most recent releases landed on September 22, 2026 and August 27, 2026 respectively.
| Parameter | ASA Library | EEPP |
|---|---|---|
| Price | Free | Free |
| Rating | 1.7 (45 ratings) | 4.8 (21 ratings) — better |
| Positive reviews | 10.8% of reviews | 94.4% of reviews — better |
| Number of ratings | 45 — better | 21 |
| Update frequency | Every 12 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 74 MB | 125 MB |
| Age rating | 4+ | 4+ |
| Developer | ASA | Aviation Press, LLC |
Customer experience
ASA Library
EEPP
In-app purchases
ASA Library
No in-app purchases
EEPP
- EEPP - 15th Edition$59.99








