Comparison

Aluminum Quick Reference vs BookShelves eBook Reader

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Aluminum Quick Reference

Access essential data for over 200 aluminum alloy designations and temper combinations. View mechanical properties, physical properties, and chemical composition limits. This reference is useful on its own or with a larger database.

Highlights
  • Data on 200+ aluminum alloy designations
  • Mechanical and physical properties (US Customary & SI Metric)
  • Chemical composition limits
  • Typical uses by alloy-temper
  • Companion to ASM Alloy Center Database
Features
Read full description

The Aluminum Quick Reference, created by ASM International, provides ready reference data on more than 200 common wrought pure aluminum and aluminum alloy designation-temper combinations. Content includes typical mechanical and physical properties (both US Customary and SI Metric values), chemical composition limits, and typical uses by alloy-temper designation. The app can be used by itself or as a companion to the ASM Alloy Center Database™, which includes property data for more than 100,000 alloys in the US and globally. ASM International was founded in 1913 as the American Society for Metals. Today, ASM is the world's largest association of metals-focused materials scientists and engineers with over 30,000 members worldwide. A member and volunteer-based organization, ASM serves as a central resource that gathers the latest applied information from the field and disseminates it back to industry, academia, and government through high-quality published content, classes, conferences, expositions, and local chapter engagement. To learn more, please visit asminternational.org

About

BookShelves eBook Reader

This app allows you to read EPUB, PDF, and comic books with access to over 1.5 million free public domain books. Organize your library, customize your reading experience with multiple themes and fonts, and sync your progress across devices.

Highlights
  • 1.5 million+ free books
  • EPUB, PDF, and comic reader
  • Customizable themes and fonts
  • iCloud sync across devices
  • Smart library management
  • Highlighting and note-taking
  • Export highlights
Features
Read full description

BookShelves is an EPUB, PDF, and comic book reader with a built-in catalog of 1.5 million free books. Discover public domain classics, organize your digital library, and sync seamlessly across iPhone, iPad, and Mac with iCloud (Pro). WHAT READERS SAY "Phenomenal book reading and management app, 'just works'." "My everlasting search for the perfect ePub reader might be coming to an end." "Among the best and actively developed." DISCOVER 1.5 MILLION+ FREE BOOKS • 1.5 million+ classic works — Pride and Prejudice, Moby Dick, more • 1,100+ premium editions from Standard Ebooks • Internet Archive — millions of historical texts and rare books • 1,200+ Spanish classics from the Biblioteca Nacional de España • 16,000+ Japanese classics from Aozora Bunko • Browse OPDS catalogs from external libraries and servers One tap to download. No account required. POWERFUL READING EXPERIENCE • Paginated or continuous scroll — read your way • 10 themes including Sepia, Dark Academia, Night Sky, and more • 10 bundled fonts including OpenDyslexic for accessible reading • Adjustable line spacing, margins, text justification, and font weight • Highlight in 5 colors and add notes to any passage • Export highlights to Markdown, JSON, or CSV • Dictionary look-up with language detection • Full-text search across chapters • Nested table of contents navigation • Bookmarks (iCloud sync with Pro) • Vertical text (tategaki) for Japanese and CJK books • Right-to-left reading for Arabic, Hebrew, and CJK texts • Full keyboard and trackpad support • Multi-window reading on Mac COMIC BOOKS AND MANGA • CBZ, CBR, and CB7 format support • Two-page spreads for landscape reading • Right-to-left mode for manga with reversed tap zones and swipes • Auto-detected from metadata or toggled manually SEAMLESS ICLOUD SYNC (Pro) • Books and cover images • Reading progress and current page • Shelves, tags, and ratings • Highlights, notes, and bookmarks • Reader preferences (font, theme, layout) Start reading on your iPhone, continue on your iPad, finish on your Mac. SMART LIBRARY MANAGEMENT • Edit metadata -- title, author, series, publisher, ISBN, and cover image • Automatic metadata and cover art fetching • System shelves: All Books, Recently Added, Reading, Finished, Favorites • Custom shelves for any collection • Color-coded tags for categorization • Search and filter by title, author, or tag • Grid and list views • 5-star ratings • Drag-and-drop import, Files app sharing, or OPDS catalogs • EPUB repair — auto-fixes broken navigation and missing metadata • Import from Calibre libraries with best-format selection FORMAT SUPPORT • EPUB — professional rendering with beautiful typography • PDF — native viewer with smooth scrolling and search • CBZ / CBR / CB7 — comic book archives • FB2 — FictionBook 2 format (auto-converts to EPUB) • MOBI / AZW3 / KF8 / KEPUB — auto-converts to EPUB for reading • TXT / Markdown — plain text and Markdown files (auto-converts to EPUB) MAC EXTRAS • Calibre wireless sync — connect KOReader or other devices over Wi-Fi • OPDS server — share your library on your local network PRIVACY FIRST • Your data stays on your devices • No personal data collected • No ads — clean, distraction-free reading • iCloud keeps your library private and secure FREE AND PRO Free: 10 books with all reading features. Pro unlocks unlimited books, iCloud sync, email to Kindle/reMarkable, highlight export, and OPDS server. Pro is available as a one-time purchase or subscription (monthly/annual, select regions). Subscriptions auto-renew unless canceled at least 24 hours before the end of the current period. Manage subscriptions in Apple ID account settings. Privacy Policy: https://getbookshelves.app/privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Service: https://getbookshelves.app/terms/ All books from discovery sources are public domain or openly licensed.

Screenshots

Aluminum Quick Reference3 screens
BookShelves eBook Reader4 screens

Verdict

The call

The clearest difference is review sentiment: BookShelves eBook Reader at 64% against Aluminum Quick Reference's 0%. BookShelves eBook Reader also leads on update cadence (weekly vs every 7 months) and ratings volume (19 vs 1). Aluminum Quick Reference's advantage is rating (5.0 vs 3.8) and in-app purchases (none vs 4). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. BookShelves eBook Reader sells 4 one-off in-app purchases. Aluminum Quick Reference asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Aluminum Quick Reference holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: BookShelves eBook Reader has 19 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 0% of Aluminum Quick Reference's written reviews are positive against 64% of BookShelves eBook Reader's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Aluminum Quick Reference ships an update every 7 months, BookShelves eBook Reader weekly. The most recent releases landed on October 17, 2026 and October 23, 2026 respectively.

Scorecard7 real differences · 3 level
Aluminum Quick Reference versus BookShelves eBook Reader: the parameters behind the verdict, then further details
ParameterAluminum Quick ReferenceBookShelves eBook Reader
PriceFreeFree
Rating5.0 (1 ratings) — better3.8 (19 ratings)
Positive reviews0.0% of reviews63.6% of reviews — better
Number of ratings119 — better
Update frequencyEvery 7 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS6.0 — better17.4
Further details — not scored
Size3 MB56 MB
Age rating4+4+
DeveloperPFI Knowledge Solutions LtdCPE Verm. GmbH

Customer experience

Aluminum Quick Reference

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

BookShelves eBook Reader

All ratings19 ratings
Positive57.9%
Neutral21.1%
Negative21.1%
Written reviews33 reviews
Positive63.6%
Neutral12.1%
Negative24.2%

In-app purchases

None

Aluminum Quick Reference

No in-app purchases

4 purchases

BookShelves eBook Reader

One-time4
  • Small Tip$2.99
  • Medium Tip$3.99
  • Large Tip$8.99
Show 1 more
  • Unlock Pro$9.99

Questions

Is Aluminum Quick Reference free?
Aluminum Quick Reference is free to download, with no in-app purchases.
Is BookShelves eBook Reader free?
BookShelves eBook Reader is free to download, with in-app purchases available.
Which has better reviews, Aluminum Quick Reference or BookShelves eBook Reader?
Aluminum Quick Reference is rated higher. Aluminum Quick Reference averages 5.0 out of 5 from 1 ratings, while BookShelves eBook Reader averages 3.8 from 19 ratings.
Do Aluminum Quick Reference or BookShelves eBook Reader have ads?
Neither Aluminum Quick Reference nor BookShelves eBook Reader shows ads.
Which is updated more often, Aluminum Quick Reference or BookShelves eBook Reader?
Aluminum Quick Reference ships an update every 7 months, and BookShelves eBook Reader weekly. Most recently, Aluminum Quick Reference was updated on October 17, 2026 and BookShelves eBook Reader on October 23, 2026.

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