Google Calendar vs Outlook:Which is searched more?
In September 2026, Outlook had more branded searches than Google Calendar among calendar apps worldwide. Outlook was estimated to have 151M branded searches compared to Google Calendar’s 11.1M, and held a 93% Share of Search versus Google Calendar’s 6.8%. These are worldwide searches for English-language branded terms.
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Which is more popular in search, Google Calendar or Outlook?
Compare the apps people manage their diary in. 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 Search by month for Outlook, Google Calendar. The figures are in the table below the chart.
View monthly share of search table
| Month | Outlook | Google Calendar | Cron | Apple Calendar | Fantastical | Reclaim.ai | Motion |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 94.1% | 5.7% | 0.1% | 0.04% | 0.02% | 0.01% | 0.01% |
| Nov 2025 | 95.1% | 4.7% | 0.09% | 0.03% | 0.02% | 0.01% | 0.01% |
| Dec 2025 | 95.9% | 3.9% | 0.09% | 0.03% | 0.02% | 0.01% | 0.01% |
| Jan 2026 | 94.1% | 5.7% | 0.09% | 0.04% | 0.03% | 0.02% | 0.02% |
| Feb 2026 | 94.6% | 5.2% | 0.09% | 0.03% | 0.03% | 0.01% | 0.01% |
| Mar 2026 | 94.1% | 5.7% | 0.09% | 0.03% | 0.02% | 0.01% | 0.01% |
| Apr 2026 | 95.1% | 4.7% | 0.09% | 0.03% | 0.02% | 0.01% | 0.01% |
| May 2026 | 95.1% | 4.7% | 0.09% | 0.03% | 0.02% | <0.01% | 0.01% |
| Jun 2026 | 94.6% | 5.2% | 0.09% | 0.03% | 0.02% | <0.01% | 0.01% |
| Jul 2026 | 94.1% | 5.7% | 0.08% | 0.04% | 0.02% | <0.01% | 0.01% |
| Aug 2026 | 93.5% | 6.3% | 0.08% | 0.05% | 0.03% | 0.01% | 0.01% |
| Sep 2026 | 93% | 6.8% | 0.07% | 0.05% | 0.02% | 0.02% | <0.01% |
How has the Google Calendar and Outlook comparison changed over the last 12 months?
3 findings
- Outlook was ahead of Google Calendar in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Google Calendar’s estimated Share of Search among calendar apps worldwide moved from 5.7% to 6.8%, and its estimated monthly branded searches moved from 9.1M to 11.1M.
- Across the 12 months ending September 2026, Outlook’s estimated Share of Search among calendar apps worldwide moved from 94.1% to 93%, and its estimated monthly branded searches held steady at 151M.
How did search popularity change for calendar apps worldwide in September 2026?
2 changes
In September 2026, Google Calendar gained estimated Share of Search among calendar apps worldwide, from 6.3% to 6.8%.
In September 2026, Outlook lost estimated Share of Search among calendar apps worldwide, from 93.5% to 93%.
How each brand is measured
Brandwave collects information about searches that people make online using Google Calendar’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.
Google Calendar
1 branded search term
- google calendar
Outlook
2 branded search terms
- hotmail
- outlook
Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.