Kindle Unlimited versus Kobo Plus

On paper this is a close comparison. In practice, most people are already in one of these two worlds — they own a Kindle or they own a Kobo, and their existing library sits in one store — and that fact does more to decide it than any feature list.

What Kindle Unlimited verifiably is

Amazon's help page states you can “borrow up to 20 titles at a time from a wide selection of genres, all with no due dates”, that “magazine issues count toward this 20-title limit” since April 2026, that “titles in the Kindle Unlimited catalog can change at any time”, and that you can access it “on any Kindle device, smartphone, computer, or tablet through the free Kindle app”. Narrated titles are marked with a headset icon.

What Amazon does not publish anywhere we could read is the price, the trial length or the catalog size. This site leaves those blank rather than borrowing them, which is explained on how we research.

The structural difference worth knowing

Kobo Plus is sold in read, listen or combined tiers. That unbundling is a genuine design advantage: a reader who never listens does not pay for audio, and a listener who never reads does not pay for ebooks. Kindle Unlimited takes the other approach — one subscription, with narration included on a subset of titles rather than as a parallel catalog. The limits of that are on audiobooks on Kindle Unlimited.

Which you prefer depends on whether you are one thing or both. Someone who genuinely alternates formats is better served by a service that treats both as first class; someone who reads and occasionally listens is fine with a bundled subset.

The ecosystem question is the real one

Ebooks do not move between stores easily. Whatever you have bought from one is not going to open in the other, and the devices are built around their own shops. So the practical question is rarely “which subscription is better” but “is this subscription good enough to justify living in that ecosystem” — and the answer for someone with a decade of Kindle purchases is usually no, however good the rival is.

If you are starting fresh and own neither, that constraint disappears and you should choose on catalog. Run the same five-book test on both stores: five titles you actually want, checked on each service's own pages. The method is on how to check what is in the catalog.

And the free comparison

Both of these compete with a library card, and both lose to one for readers of mainstream traditionally published books. Libby works with Kindle in the US and with plain ebook reading everywhere, costs nothing, and pays us nothing. The honest head-to-head is on Kindle Unlimited versus Libby.