Brandwave

Book of the Month vs Libby:Which is more popular?

In September 2026, Libby had more branded searches than Book of the Month among book subscription services worldwide. Libby had about 550,000 branded searches, while Book of the Month had 110,000. Libby made up 7.8% of all book subscription service searches we track, and Book of the Month accounted for 1.6%. When we asked ChatGPT and Google AI Overviews about book subscription services, Libby appeared in all five answers and Book of the Month in two. Libby was mentioned before Book of the Month in three out of five answers.

Among book subscription services worldwide in September 2026

Who do people search for more?

Libby, about 5 searches for every 1 for Book of the Month

Libby 550K searchesBook of the Month 110K searches

Who does AI mention more?

Libby, mentioned in every answer we collected

Libby in 5 of 5Book of the Month in 2 of 5

Who does AI recommend more?

Libby, named ahead of Book of the Month in 3 of 5 answers

Libby first in 3Book of the Month first in 2

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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. Book of the Month was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Libby was listed before Book of the Month in three out of five answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Kindle Unlimited1st
  2. Kobo Plus2nd
  3. Everand3rd
  4. Audible4th
  5. Libby5th
  6. Book of the Month6th
  7. Scribd7th
  8. Storytel8th

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Libby5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Everand5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Kindle Unlimited4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Kobo Plus4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Audible3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Scribd2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Book of the Month2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Storytel1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers

See every answer about book subscription services

5 answers

Brands are shown in the order each answer named them. The survey took place in the United States on October 19, 2026.

Is Book of the Month or Libby more popular in search?

This chart shows how often people search Google for Book of the Month and Libby by name. Each line represents a brand's share of searches for all eight book subscription services we track, month by month, from English-language searches worldwide.

Book of the Month and Libby among book subscription services worldwide, by month

Share of searches by month for Libby, Book of the Month. The figures are in the table below the chart.

View monthly share of searches table
MonthScribdAudibleKindle UnlimitedLibbyStorytelBook of the MonthKobo PlusEverand
Oct 202545.4%30.4%11.2%7.5%4.1%1%0.55%0.01%
Nov 202541.1%33.6%12.3%6.7%4.5%1.1%0.61%0.01%
Dec 202535%35%15.6%7%4.7%1.7%0.77%0.01%
Jan 202638.2%31.2%13.9%9.4%5.1%1.5%0.69%0.01%
Feb 202643.1%28.8%12.9%8.6%4.7%1.2%0.64%0.01%
Mar 202640.5%33.1%12.2%8.1%4.4%1.1%0.6%0.01%
Apr 202640.3%32.9%12.1%8.1%4.4%1.6%0.6%0.01%
May 202642.8%28.6%12.9%8.6%4.7%1.7%0.77%0.01%
Jun 202644.1%29.5%13.2%7.2%4%1.2%0.8%0.01%
Jul 202643.6%29.1%13.1%7.2%4.8%1.2%0.96%0.01%
Aug 202652.9%23.7%10.6%7.1%3.9%0.96%0.78%0.01%
Sep 202647.8%26.1%11.7%7.8%4.3%1.6%0.71%0.01%

How has the Book of the Month and Libby comparison changed over the last 12 months?

3 findings

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

2 changes
  1. In September 2026, Libby gained share of searches among book subscription services worldwide, from 7.1% to 7.8%.

  2. In September 2026, Book of the Month gained share of searches among book subscription services worldwide, from 0.96% to 1.6%.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Book of the Month’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.

Book of the Month

1 branded search term

  • book of the month

Libby

1 branded search term

  • libby

How the Brand Demand Index is measured

Other head-to-heads among book subscription services

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