Adobe Acrobat vs NotebookLM:Which is searched more?
In September 2026, NotebookLM had more branded searches than Adobe Acrobat among AI PDF tools worldwide. NotebookLM had about 24.5 million branded searches, while Adobe Acrobat had 3.6 million. NotebookLM made up 86.2% of all AI PDF tool searches we track, and Adobe Acrobat accounted for 12.8%. These are worldwide searches for English-language branded terms.
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Is Adobe Acrobat or NotebookLM more popular in search?
Compare the tools used to question and summarise PDFs. 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.
Share of searches by month for NotebookLM, Adobe Acrobat. 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 Adobe Acrobat and NotebookLM comparison changed over the last 12 months?
3 findings
- NotebookLM was ahead of Adobe Acrobat in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Adobe Acrobat’s share of searches among AI PDF tools worldwide moved from 27.6% to 12.8%, and its estimated monthly branded searches moved from 4.9M to 3.6M.
- 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%.
In September 2026, Adobe Acrobat lost share of searches among AI PDF tools worldwide, from 13.9% to 12.8%.
How are branded searches counted?
6 search terms
Brandwave collects information about searches that people make online using Adobe Acrobat’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.
Adobe Acrobat
4 branded search terms
- acrobat reader
- adobe acrobat
- adobe acrobat reader
- adobe reader
NotebookLM
2 branded search terms
- notebook lm
- notebooklm
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