Sell books with World of Books

4.0
1.12K reviews
100K+
Downloads
Content rating
Everyone
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About this app

The Sell books with World of Books app makes it easy to earn extra money and declutter your home. Download the free app (previously known as Ziffit) to turn your used books and textbooks into cash.

• Sell books or textbooks instantly.
• Scan barcodes with your phone or tablet
• Get an instant quote and complete your trade.
• Ship your books for free with FedEx or USPS.
• Receive quick payments directly to your bank or PayPal account.

With the Sell books with World of Books app, you can quickly and easily sell your used books. Simply scan barcodes, receive a quote, and complete the trade.

Curious about the value of your book collection? The app can tell you that, too.

The app is completely free, with no costs at any stage. Shipping is covered, and payments are completed within days—not weeks. Download the Sell books with World of Books app today and start selling whenever and wherever you like. Plus, first-time traders receive an extra 10% on their initial trade!
Updated on
Nov 28, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Personal info, Financial info and 2 others
This app may collect these data types
Personal info, Financial info and 4 others
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

4.0
1.1K reviews
Alex H
September 2, 2025
You can check items they take without creating an account. Many items i was able to sell through them wouldn't have been taken elsewhere like cds. The only downside is you may get a little less for things.You do need access to a printer for the shipping label. They won't be open to accept the shipped items on weekends. but once they got the items it took less than 5 days to process then I got my check within a week.
103 people found this review helpful
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Melenia Ahmadi
September 27, 2025
Sent in a box of books. The two most expensive books in the box were marked as damaged. They were not damaged when I put them in the box and I packed them pretty well. I will be using other apps to sell my books in the future. It doesn't matter if they offer a bigger payout for a certain book if they don't actually plan to give you that payout.
114 people found this review helpful
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Bob Keller
October 22, 2025
This replaces my earlier comment. I apparently misunderstood the instructions for multiple boxes. But I am still uneasy with the one sided structure. The seller bears all the risk; the buyer has none. If the seller unilaterally claims an item is damaged or in substandard condition, there is no loss to the buyer. He does not pay and has no obligation to return the item. OTOH if the buyer's claim is erroneous, the seller loses both item and payment with no recourse.
38 people found this review helpful
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What’s new

We've updated the app with some new features and improved stability and performance.