Save money by comparing prices between Amazon stores, the Book Depository, and Wordery. It's super easy because we calculate the shipping costs and currency conversions for you.

Search for books by name or scan the barcode on the back of a book.

• Scan ISBN barcodes from books
• Supports Split View and Slide Over on iOS 9 iPads
• Supports iOS 9's new in-app browser
• Shipping charge estimates
• Automatic currency conversions

Supported stores:
• (United States)
• (United Kingdom)
• (Canada)
• (Germany)
• (Spain)
• (France)
• Book Depository
• Wordery

What’s New

Version 1.2.1

If you're enjoying Piranhas, an App Store review would be highly appreciated!

New in 1.2.1:
• Enables universal links

+ all the improvements from version 1.2.0:
• The Amazon iOS app is now required for Amazon purchases on iOS
• Improved handling of iTunes links
• Opens the book directly in the Goodreads app (if installed) when tapping the book rating
• Fixes a rare crash that sometimes occurred when selecting the region on first launch

Ratings and Reviews

juneshi.k ,

Great app

I love this App.

I hope one day wishlists or connection with Goodreads lists would be added.

kosmosnaut ,

Great service

I've used piranhas for years and absolutely love it. The app is a thin wrapper around the web site, but the barcode scanner is a nice added feature.

gufihdkhf ,

Save money and time

First time using it and definitely a hit.Cannot be easier and faster,specially for rare books and comics.


Matias Korhonen
24.2 MB
Requires iOS 8.4 or later. Compatible with iPhone, iPad, and iPod touch.
English, Danish, French, German, Japanese, Portuguese, Simplified Chinese, Spanish, Traditional Chinese
Age Rating
You must be at least 17 years old to download this app.
Unrestricted Web Access
© 2015 Matias Korhonen


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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