Prices
Try everything for 14 days first, with no account and no card. Then buy once, or subscribe.
Ko BooksPay once
$29.99 once
One payment, no subscription.
- Every future version, for the life of the app
- On 3 computers; a new one takes the place of the one used longest ago
- Works offline after activation
Ko Books PlusSubscription
$3.99 a month or $30 a year
Cancel any time.
- Everything in Ko Books, on 3 computers
- Book recommendations every month arriving
- AI assistants (MCP) arriving
- Smart sorting of your books arriving
- Web pages and RSS feeds as EPUB arriving
Sales open with the first release of Ko Books.
- Prices are in US dollars. Checkout shows the final price, with any sales tax, before you pay.
- Plus renews at the end of each period until you cancel; it keeps working until the period you paid for ends.
- Without a licence after the trial, your library stays yours: reading, search, editing and export keep working.
Ko Books is sold by Koona through Paddle.com, our reseller and merchant of record. The terms, the refund policy and the privacy policy are Koona's, shared by its apps.