0+ iOS apps curated and reviewed
The best isbn lookup apps on iPhone average 4.4★ across 0+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (15K) | No | Yes | Aug 2026 |
| 2 |  | Free | 4.7★ (153K) | Yes | No | Aug 2026 |
| 3 |  | $9.99 | 4.8★ (5.9K) | No | Yes | Aug 2026 |
| 4 |  | Free | 4.6★ (613) | Yes | No | Aug 2026 |
| 5 |  | Free | 4.6★ (34K) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 4.6★ (4.1K) | No | Yes | Aug 2026 |
| 7 |  | Free | 4.5★ (6.3K) | No | Yes | Aug 2026 |
| 8 |  | Free | 2.7★ (27) | No | No | Jul 2026 |
Manage your entire book collection digitally, track reading progress, and organize your library. Easily add books by scanning, searching, or manual entry. Keep tabs on borrowed and lent items, and gain insights into your reading habits.
Identify unknown callers and uncover details about any phone number. This free tool helps you check for spam and find information on cell, landline, and toll-free numbers from the US and Canada.
Manage your entire book collection digitally. Easily add books by scanning, searching, or manual entry. Organize your library, track borrowed and lent items, and gain insights into your reading habits. Share your collection online with others.
Instantly search over a billion products by scanning barcodes or by name. Get detailed information including pricing, images, reviews, and descriptions to compare prices and find the best deals online. Save favorite items and share product details easily.
Access public records to find phone numbers, property details, vehicle history, and more. Perform reverse phone lookups, VIN checks, and search for unclaimed money. Includes features like call blocking and dark web scans for enhanced information gathering.
Organize and manage any book collection, from personal libraries to classroom inventories. Features include barcode scanning, cloud backup, and cross-device syncing. Customize layouts and export your data.
Access public records and perform reverse phone number lookups quickly. Identify unknown callers, avoid scams, and uncover information on the go. This app provides a convenient way to search for details using just a phone number.
This app reads ISBN numbers from barcodes and text using OCR technology. It quickly and accurately captures ISBNs from live camera feeds without needing to press a shutter. Users can then view detailed book information and share it via email or social media.
Easily scan book ISBNs or titles to quickly find reading comprehension level information, including AR quiz numbers, ATOS levels, and word counts. Unlock additional detailed reading level data like Lexile and F&P levels through an in-app purchase. Save and export your scanned book history for organization.
Access accurate contact information, identify unknown callers, and find property details. This app offers a comprehensive directory and reverse lookup service for people and businesses. It also provides neighborhood market reports and tools to manage your contacts.
Easily sell and buy used or new textbooks at competitive prices. This app compares offers from over 30 vendors, allowing you to find the best deals by scanning ISBNs or entering them manually. It's a convenient and free service for students and graduates.
Discover millions of new and used books at significant discounts. Easily search, browse, and buy titles, compare prices with a barcode scanner, and earn rewards for free books. Get personalized recommendations and instant notifications for wish list items.
Identify unknown callers by performing reverse phone number lookups. Enter a number to find the associated name or location. Supports US/CA numbers and allows users to report spam to improve accuracy.
Access public records to find answers about people and properties. Search by phone number or address to identify unknown callers, reconnect with contacts, or research property ownership and values. Make more informed decisions with accessible information.
Identify unknown callers and texters by performing a reverse phone number lookup. This app searches public databases to reveal line type, carrier, and area information for any number.
Instantly identify unknown callers and access detailed information on over 200 million phone numbers. Reveal caller names, addresses, and emails, and block spam numbers to enhance your security. Keep your contacts organized and up-to-date.
Identify unknown callers and find contact information using phone numbers or facial recognition. Search for individuals by name to retrieve their cell phone numbers from a global database.
Identify unknown callers and protect yourself from scams. This app allows private searches for phone numbers and provides resources to stay informed about threats. Users can also contribute to a community database of spam and scam calls.
Access and study your digital textbooks on your iPad or iPhone. This app allows for offline reading, note-taking, flashcard creation, and customizable reading settings. Sync your progress across devices for a seamless study experience.