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.
Who do people search for more?
Libby, about 5 searches for every 1 for Book of the Month
Who does AI mention more?
Libby, mentioned in every answer we collected
Who does AI recommend more?
Libby, named ahead of Book of the Month in 3 of 5 answers
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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.
Kindle Unlimited1st
Kobo Plus2nd
Everand3rd
Audible4th
Libby5th
Book of the Month6th
Scribd7th
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
Asked ChatGPT
“Which book subscription service should I use?”
Asked ChatGPT
“What are the best book subscription services?”
Asked ChatGPT
“What's the best book subscription service for a good reader app?”
Searched Google, AI Overview
“audiobook subscription service”
Searched Google, AI Overview
“ebook subscription service”
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.
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
| Month | Scribd | Audible | Kindle Unlimited | Libby | Storytel | Book of the Month | Kobo Plus | Everand |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 45.4% | 30.4% | 11.2% | 7.5% | 4.1% | 1% | 0.55% | 0.01% |
| Nov 2025 | 41.1% | 33.6% | 12.3% | 6.7% | 4.5% | 1.1% | 0.61% | 0.01% |
| Dec 2025 | 35% | 35% | 15.6% | 7% | 4.7% | 1.7% | 0.77% | 0.01% |
| Jan 2026 | 38.2% | 31.2% | 13.9% | 9.4% | 5.1% | 1.5% | 0.69% | 0.01% |
| Feb 2026 | 43.1% | 28.8% | 12.9% | 8.6% | 4.7% | 1.2% | 0.64% | 0.01% |
| Mar 2026 | 40.5% | 33.1% | 12.2% | 8.1% | 4.4% | 1.1% | 0.6% | 0.01% |
| Apr 2026 | 40.3% | 32.9% | 12.1% | 8.1% | 4.4% | 1.6% | 0.6% | 0.01% |
| May 2026 | 42.8% | 28.6% | 12.9% | 8.6% | 4.7% | 1.7% | 0.77% | 0.01% |
| Jun 2026 | 44.1% | 29.5% | 13.2% | 7.2% | 4% | 1.2% | 0.8% | 0.01% |
| Jul 2026 | 43.6% | 29.1% | 13.1% | 7.2% | 4.8% | 1.2% | 0.96% | 0.01% |
| Aug 2026 | 52.9% | 23.7% | 10.6% | 7.1% | 3.9% | 0.96% | 0.78% | 0.01% |
| Sep 2026 | 47.8% | 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
- Libby was ahead of Book of the Month in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Book of the Month’s share of searches among book subscription services worldwide moved from 1% to 1.6%, and its estimated monthly branded searches moved from 74K to 110K.
- 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.
How did search popularity change for book subscription services worldwide in September 2026?
2 changes

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

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
Other head-to-heads among book subscription services

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