Sell books with World of Books

3.9
1.06K 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
Oct 20, 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

3.9
1.05K 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.
43 people found this review helpful
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Claire Daines
September 9, 2025
I sent in 3 different batches of books and each time my payout was reduced because books were "missing" from the packages. I thought it was odd because I 100% sent in all the books on the payout list. What was odd is all the books that they said were "not in the box" were all the most expensive books that would have given me a payout of $5+ per book. The first time it happened I thought it was a mistake on their part, but it has now happened every time I have mailed in a package.
73 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.
43 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.