---
title: "Kindle Unlimited vs Libby: Which is searched more?"
description: "Is Kindle Unlimited or Libby more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Book subscription services set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time."
canonical: "https://gobrandwave.com/demand/global-en/compare/kindle-unlimited-vs-libby"
publisher: "Brandwave"
---

# Kindle Unlimited vs Libby: Which is searched more?

Is Kindle Unlimited or Libby more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Book subscription services set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

## Key facts

- **Compared**: Kindle Unlimited and Libby
- **Competitive set**: Book subscription services
- **Market**: Global
- **Month measured**: Sep 2026
- **Kindle Unlimited Share of Search**: 11.7%
- **Libby Share of Search**: 7.8%

## Is Kindle Unlimited or Libby more popular in search?

- In September 2026, Kindle Unlimited had more branded searches than Libby among book subscription services worldwide. Kindle Unlimited had about 823,000 branded searches, while Libby had 550,000. Kindle Unlimited made up 11.7% of all book subscription service searches we track, and Libby accounted for 7.8%.
- Kindle Unlimited was ahead of Libby in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Kindle Unlimited’s share of searches among book subscription services worldwide moved from 11.2% to 11.7%, and its estimated monthly branded searches held steady at 823K.
- Across the 12 months ending September 2026, Libby’s share of searches among book subscription services worldwide moved from 7.5% to 7.8%, and its estimated monthly branded searches held steady at 550K.

## Top book subscription services in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Libby appeared in all five answers. Kindle Unlimited was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Kindle Unlimited was listed before Libby in four out of five answers.

Brands get a higher AI rank if they are mentioned earlier in the answers that list options.

| Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it |
| --- | --- | --- | --- | --- |
| Kindle Unlimited | 1st | 3 of 3 | 1 of 2 | 4 of 5 |
| Kobo Plus | 2nd | 2 of 3 | 2 of 2 | 4 of 5 |
| Everand | 3rd | 3 of 3 | 2 of 2 | 5 of 5 |
| Audible | 4th | 2 of 3 | 1 of 2 | 3 of 5 |
| Libby | 5th | 3 of 3 | 2 of 2 | 5 of 5 |
| Book of the Month | 6th | 2 of 3 | 0 of 2 | 2 of 5 |
| Scribd | 7th | 0 of 3 | 2 of 2 | 2 of 5 |
| Storytel | 8th | 0 of 3 | 1 of 2 | 1 of 5 |

## Every AI answer about book subscription services

- Asked ChatGPT "Which book subscription service should I use?": 1. Kindle Unlimited, 2. Audible, 3. Book of the Month, 4. Everand, 5. Libby
- Asked ChatGPT "What are the best book subscription services?": 1. Kindle Unlimited, 2. Kobo Plus, 3. Everand, 4. Audible, 5. Book of the Month, 6. Libby
- Asked ChatGPT "What's the best book subscription service for a good reader app?": 1. Kindle Unlimited, 2. Kobo Plus, 3. Everand, 4. Libby
- Searched Google, AI Overview "audiobook subscription service": 1. Audible, 2. Kobo Plus, 3. Everand, 4. Scribd, 5. Libby
- Searched Google, AI Overview "ebook subscription service": 1. Kindle Unlimited, 2. Kobo Plus, 3. Everand, 4. Storytel, 5. Scribd, 6. Libby

Brands are listed in the order each answer named them. The answers were collected in the United States on October 19, 2026.

## How did search popularity change for book subscription services worldwide in September 2026?

- In September 2026, Kindle Unlimited gained share of searches among book subscription services worldwide, from 10.6% to 11.7%.
- In September 2026, Libby gained share of searches among book subscription services worldwide, from 7.1% to 7.8%.

## Month by month

| Month | Kindle Unlimited estimated searches | Kindle Unlimited Share of Search | Kindle Unlimited rank | Libby estimated searches | Libby Share of Search | Libby rank |
| --- | --- | --- | --- | --- | --- | --- |
| Oct 2025 | 823K | 11.2% | 3 | 550K | 7.5% | 4 |
| Nov 2025 | 823K | 12.3% | 3 | 450K | 6.7% | 4 |
| Dec 2025 | 1M | 15.6% | 3 | 450K | 7% | 4 |
| Jan 2026 | 1M | 13.9% | 3 | 673K | 9.4% | 4 |
| Feb 2026 | 823K | 12.9% | 3 | 550K | 8.6% | 4 |
| Mar 2026 | 823K | 12.2% | 3 | 550K | 8.1% | 4 |
| Apr 2026 | 823K | 12.1% | 3 | 550K | 8.1% | 4 |
| May 2026 | 823K | 12.9% | 3 | 550K | 8.6% | 4 |
| Jun 2026 | 823K | 13.2% | 3 | 450K | 7.2% | 4 |
| Jul 2026 | 823K | 13.1% | 3 | 450K | 7.2% | 4 |
| Aug 2026 | 823K | 10.6% | 3 | 550K | 7.1% | 4 |
| Sep 2026 | 823K | 11.7% | 3 | 550K | 7.8% | 4 |

## How each brand is measured

Brandwave collects information about searches that people make online using Kindle Unlimited’s and Libby’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

- **Kindle Unlimited**: Measured on the search term “kindle unlimited”.
- **Libby**: Measured on the search term “libby”.

- [Kindle Unlimited profile](/demand/global-en/brands/kindle-unlimited)
- [Libby profile](/demand/global-en/brands/libby)
- [All book subscription services worldwide](/demand/global-en/categories/book-subscription-services): The set both shares are measured inside, 8 brands.

## Methodology

- [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Frequently asked questions

### Is Kindle Unlimited or Libby more popular in search?

In September 2026, Kindle Unlimited had more branded searches than Libby among book subscription services worldwide. Kindle Unlimited had about 823,000 branded searches, while Libby had 550,000. Kindle Unlimited made up 11.7% of all book subscription service searches we track, and Libby accounted for 7.8%.

## Cite this page

Brandwave. "Kindle Unlimited vs Libby: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/kindle-unlimited-vs-libby

This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/kindle-unlimited-vs-libby. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.
