AskYourPDF vs NotebookLM:Which is more popular?
In September 2026, NotebookLM had more branded searches than AskYourPDF among AI PDF tools worldwide. NotebookLM had about 24.5 million branded searches, while AskYourPDF had 2,900. NotebookLM made up 86.2% of all AI PDF tool searches we track, and AskYourPDF accounted for 0.01%. When we asked ChatGPT and Google AI Overviews about AI PDF tools, NotebookLM appeared in three of the five answers and AskYourPDF in none.
Who do people search for more?
NotebookLM, about 8445 searches for every 1 for AskYourPDF
Who does AI mention more?
NotebookLM, mentioned in 3 of 5 answers, AskYourPDF in 0
Who does AI recommend more?
NotebookLM, the only one of the two named
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Top AI PDF tools in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, NotebookLM was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. AskYourPDF did not appear in any of the five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Adobe Acrobat5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
ChatPDF5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers- NotebookLM3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Humata0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
PDF.ai0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
AskYourPDF0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Documind0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about AI PDF tools
5 answers
Asked ChatGPT
“Which AI PDF tool should I use?”
Asked ChatGPT
“What are the best AI PDF tools?”
Asked ChatGPT
“What's the best AI PDF tool for PDF documents?”
Searched Google, AI Overview
“ai pdf tool”
Searched Google, AI Overview
“chat with pdf”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is AskYourPDF or NotebookLM more popular in search?
This chart shows how often people search Google for AskYourPDF and NotebookLM by name. Each line represents a brand's share of searches for all seven AI PDF tools we track, month by month, from English-language searches worldwide.
Share of searches by month for NotebookLM, AskYourPDF. The figures are in the table below the chart.
View monthly share of searches table
| Month | NotebookLM | Adobe Acrobat | ChatPDF | Humata | PDF.ai | AskYourPDF | Documind |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 67.1% | 27.6% | 4.7% | 0.23% | 0.28% | 0.08% | <0.01% |
| Nov 2025 | 73.4% | 21.7% | 4.4% | 0.18% | 0.21% | 0.08% | <0.01% |
| Dec 2025 | 79.8% | 17.7% | 2.2% | 0.11% | 0.16% | 0.05% | <0.01% |
| Jan 2026 | 81.1% | 17.2% | 1.5% | 0.07% | 0.11% | 0.04% | <0.01% |
| Feb 2026 | 79.6% | 18.7% | 1.5% | 0.09% | 0.11% | 0.03% | <0.01% |
| Mar 2026 | 83.8% | 14.4% | 1.5% | 0.08% | 0.11% | 0.03% | <0.01% |
| Apr 2026 | 87% | 11.2% | 1.6% | 0.08% | 0.1% | 0.03% | <0.01% |
| May 2026 | 86.9% | 11.6% | 1.3% | 0.05% | 0.08% | 0.02% | <0.01% |
| Jun 2026 | 85.3% | 13.5% | 1% | 0.05% | 0.08% | 0.02% | <0.01% |
| Jul 2026 | 82.7% | 16.3% | 0.86% | 0.04% | 0.08% | 0.02% | <0.01% |
| Aug 2026 | 85.1% | 13.9% | 0.86% | 0.05% | 0.06% | 0.01% | <0.01% |
| Sep 2026 | 86.2% | 12.8% | 0.87% | 0.05% | 0.05% | 0.01% | <0.01% |
How has the AskYourPDF and NotebookLM comparison changed over the last 12 months?
3 findings
- NotebookLM was ahead of AskYourPDF in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, AskYourPDF’s share of searches among AI PDF tools worldwide moved from 0.08% to 0.01%, and its estimated monthly branded searches moved from 14.8K to 2.9K.
- Across the 12 months ending September 2026, NotebookLM’s share of searches among AI PDF tools worldwide moved from 67.1% to 86.2%, and its estimated monthly branded searches moved from 11.9M to 24.5M.
How did search popularity change for AI PDF tools worldwide in September 2026?
2 changes
In September 2026, NotebookLM gained share of searches among AI PDF tools worldwide, from 85.1% to 86.2%.
Estimated monthly branded searches for AskYourPDF worldwide fell 80.4% over 12 measured months, from 14.8K to 2.9K in September 2026.
How are branded searches counted?
3 search terms
Brandwave collects information about searches that people make online using AskYourPDF’s and NotebookLM’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.
AskYourPDF
1 branded search term
- askyourpdf
NotebookLM
2 branded search terms
- notebook lm
- notebooklm
Other head-to-heads among AI PDF tools
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