Notion vs ProProfs:Which is more popular?
In September 2026, Notion had more branded searches than ProProfs among AI knowledge base tools worldwide. Notion had about 110,000 branded searches, while ProProfs had 18,100. Notion made up 11.3% of all AI knowledge base tool searches we track, and ProProfs accounted for 1.9%. When we asked ChatGPT and Google AI Overviews about AI knowledge base tools, Notion appeared in four of the five answers and ProProfs in one. Notion was mentioned before ProProfs in every answer that named either.
Who do people search for more?
Notion, about 6 searches for every 1 for ProProfs
Who does AI mention more?
Notion, mentioned in 4 of 5 answers, ProProfs in 1
Who does AI recommend more?
Notion, named ahead of ProProfs in 4 of 4 answers
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Top AI knowledge base tools in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Notion was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. ProProfs was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. Notion was listed before ProProfs in every answer that named either.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
- Notion1st
Guru2nd
Confluence3rd
Glean4th
Document3605th
Slite6th
ProProfs7th
Helpjuice–
Slab–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Confluence4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Notion4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Guru4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Slite3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Document3603 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Glean3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- ProProfs1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Helpjuice0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Slab0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about AI knowledge base tools
5 answers
Asked ChatGPT
“Which AI knowledge base tool should I use?”
Asked ChatGPT
“What are the best AI knowledge base tools?”
Asked ChatGPT
“What's the best AI knowledge base tool for internal team docs?”
Searched Google, AI Overview
“ai knowledge base tool”
Searched Google, AI Overview
“best knowledge base software”
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is Notion or ProProfs more popular in search?
This chart shows how often people search Google for Notion and ProProfs by name. Each line represents a brand's share of searches for all nine AI knowledge base tools we track, month by month, from English-language searches worldwide.
Share of searches by month for Notion, ProProfs. The figures are in the table below the chart.
View monthly share of searches table
| Month | Confluence | Notion | ProProfs | Slite | Document360 | Helpjuice | Glean | Slab | Guru |
|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 82.9% | 11.1% | 2.2% | 2.2% | 0.82% | 0.66% | 0.06% | 0.01% | <0.01% |
| Nov 2025 | 81.3% | 10.9% | 3.3% | 2.7% | 0.98% | 0.8% | 0.07% | 0.01% | <0.01% |
| Dec 2025 | 82.3% | 11.1% | 2.2% | 2.7% | 0.81% | 0.81% | 0.07% | 0.01% | <0.01% |
| Jan 2026 | 81% | 13.3% | 2.2% | 2.2% | 0.65% | 0.65% | 0.05% | 0.01% | <0.01% |
| Feb 2026 | 80.5% | 13.2% | 2.7% | 2.2% | 0.79% | 0.65% | 0.07% | 0.02% | 0.01% |
| Mar 2026 | 83.5% | 11.2% | 2.3% | 1.8% | 0.67% | 0.55% | 0.06% | 0.01% | 0.01% |
| Apr 2026 | 80.6% | 13.2% | 2.7% | 2.2% | 0.79% | 0.53% | 0.06% | 0.02% | <0.01% |
| May 2026 | 80.9% | 13.2% | 2.7% | 2.2% | 0.53% | 0.43% | 0.06% | 0.01% | 0.01% |
| Jun 2026 | 85.1% | 9.4% | 1.9% | 2.8% | 0.45% | 0.37% | 0.04% | <0.01% | <0.01% |
| Jul 2026 | 79.9% | 13.1% | 2.1% | 3.9% | 0.52% | 0.34% | 0.05% | 0.01% | 0.01% |
| Aug 2026 | 80.5% | 13.2% | 2.2% | 3.2% | 0.53% | 0.35% | 0.05% | 0.01% | <0.01% |
| Sep 2026 | 84.2% | 11.3% | 1.9% | 1.9% | 0.45% | 0.3% | 0.03% | 0.01% | <0.01% |
How has the Notion and ProProfs comparison changed over the last 12 months?
3 findings
- Notion was ahead of ProProfs in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Notion’s share of searches among AI knowledge base tools worldwide moved from 11.1% to 11.3%, and its estimated monthly branded searches held steady at 110K.
- Across the 12 months ending September 2026, ProProfs’ share of searches among AI knowledge base tools worldwide moved from 2.2% to 1.9%, and its estimated monthly branded searches moved from 22.2K to 18.1K.
How did search popularity change for AI knowledge base tools worldwide in September 2026?
2 changes
In September 2026, Notion lost share of searches among AI knowledge base tools worldwide, from 13.2% to 11.3%.
In September 2026, ProProfs rose from 4th to 3rd among AI knowledge base tools worldwide.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Notion’s and ProProfs’ 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.
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