Notion vs Outlook:Which is more popular?
In September 2026, Outlook had more branded searches than Notion among calendar apps worldwide. Outlook had about 151.1 million branded searches, while Notion had 110,000. Outlook made up 92.9% of all calendar app searches we track, and Notion accounted for 0.07%. When we asked ChatGPT and Google AI Overviews about calendar apps, Outlook appeared in all five answers and Notion in two. Outlook was mentioned before Notion in every answer.
Who do people search for more?
Outlook, about 1374 searches for every 1 for Notion
Who does AI mention more?
Outlook, mentioned in every answer we collected
Who does AI recommend more?
Outlook, named ahead of Notion in every answer
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Top calendar apps in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Outlook appeared in all five answers. Notion was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Outlook was listed before Notion in every answer.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Google Calendar1st
Apple Calendar2nd
Fantastical3rd- Outlook4th
Motion5th
Notion6th
Reclaim.ai7th
Cron–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Outlook5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Google Calendar5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Apple Calendar4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Fantastical4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Notion2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Reclaim.ai1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Motion1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Cron0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about calendar apps
5 answers
Asked ChatGPT
“Which calendar app should I use?”
Asked ChatGPT
“What are the best calendar apps?”
Asked ChatGPT
“What's the best calendar app for daily scheduling?”
Searched Google, AI Overview
“calendar apps”
Searched Google, AI Overview
“shared calendar app”
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 19, 2026.
Is Notion or Outlook more popular in search?
This chart shows how often people search Google for Notion and Outlook by name. Each line represents a brand's share of searches for all eight calendar apps we track, month by month, from English-language searches worldwide.
Share of searches by month for Outlook, Notion. The figures are in the table below the chart.
View monthly share of searches table
| Month | Outlook | Google Calendar | Cron | Notion | Apple Calendar | Fantastical | Reclaim.ai | Motion |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 94.1% | 5.7% | 0.1% | 0.07% | 0.04% | 0.02% | 0.01% | 0.01% |
| Nov 2025 | 95.1% | 4.7% | 0.09% | 0.07% | 0.03% | 0.02% | 0.01% | 0.01% |
| Dec 2025 | 95.9% | 3.9% | 0.09% | 0.05% | 0.03% | 0.02% | 0.01% | 0.01% |
| Jan 2026 | 94.1% | 5.7% | 0.09% | 0.07% | 0.04% | 0.03% | 0.02% | 0.02% |
| Feb 2026 | 94.6% | 5.2% | 0.09% | 0.06% | 0.03% | 0.03% | 0.01% | 0.01% |
| Mar 2026 | 94.1% | 5.7% | 0.09% | 0.07% | 0.03% | 0.02% | 0.01% | 0.01% |
| Apr 2026 | 95.1% | 4.7% | 0.09% | 0.06% | 0.03% | 0.02% | 0.01% | 0.01% |
| May 2026 | 95.1% | 4.7% | 0.09% | 0.06% | 0.03% | 0.02% | <0.01% | 0.01% |
| Jun 2026 | 94.6% | 5.2% | 0.09% | 0.05% | 0.03% | 0.02% | <0.01% | 0.01% |
| Jul 2026 | 94.1% | 5.7% | 0.08% | 0.06% | 0.04% | 0.02% | <0.01% | 0.01% |
| Aug 2026 | 93.5% | 6.3% | 0.08% | 0.08% | 0.05% | 0.03% | 0.01% | 0.01% |
| Sep 2026 | 92.9% | 6.8% | 0.07% | 0.07% | 0.05% | 0.02% | 0.02% | <0.01% |
How has the Notion and Outlook comparison changed over the last 12 months?
3 findings
- Outlook was ahead of Notion in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Notion’s share of searches among calendar apps worldwide held steady at 0.07%, and its estimated monthly branded searches held steady at 110K.
- Across the 12 months ending September 2026, Outlook’s share of searches among calendar apps worldwide moved from 94.1% to 92.9%, and its estimated monthly branded searches held steady at 151M.
How did search popularity change for calendar apps worldwide in September 2026?
1 change
In September 2026, Outlook lost share of searches among calendar apps worldwide, from 93.5% to 92.9%.
How are branded searches counted?
3 search terms
Brandwave collects information about searches that people make online using Notion’s and Outlook’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.
Other head-to-heads among calendar apps
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