Google Calendar vs Outlook:Which is more popular by branded search?
In August 2026, Outlook had more branded searches than Google Calendar among calendar apps worldwide. Outlook was estimated to have 68M branded searches compared to Google Calendar’s 9.1M, and held an 88% Share of Search versus Google Calendar’s 11.8%. 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 | Apple Calendar | Fantastical | Motion | Reclaim.ai | Cron |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 89.9% | 9.9% | 0.07% | 0.04% | 0.05% | 0.02% | <0.01% |
| Nov 2025 | 91.6% | 8.2% | 0.05% | 0.04% | 0.05% | 0.02% | <0.01% |
| Dec 2025 | 93% | 6.8% | 0.06% | 0.04% | 0.04% | 0.02% | <0.01% |
| Jan 2026 | 89.9% | 9.9% | 0.07% | 0.04% | 0.06% | 0.03% | <0.01% |
| Feb 2026 | 89.9% | 9.9% | 0.07% | 0.04% | 0.05% | 0.02% | <0.01% |
| Mar 2026 | 89.9% | 9.9% | 0.05% | 0.04% | 0.05% | 0.02% | <0.01% |
| Apr 2026 | 91.6% | 8.2% | 0.05% | 0.04% | 0.04% | 0.02% | <0.01% |
| May 2026 | 91.6% | 8.2% | 0.05% | 0.03% | 0.04% | 0.02% | <0.01% |
| Jun 2026 | 89.9% | 9.9% | 0.07% | 0.04% | 0.04% | 0.01% | <0.01% |
| Jul 2026 | 89.9% | 9.9% | 0.07% | 0.04% | 0.04% | 0.01% | <0.01% |
| Aug 2026 | 88% | 11.8% | 0.1% | 0.04% | 0.04% | 0.02% | <0.01% |
| Sep 2026 | — | — | — | — | — | — | — |
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 11 months ending August 2026.
- Across the 11 months ending August 2026, Google Calendar’s estimated Share of Search among calendar apps worldwide moved from 9.9% to 11.8%, and its estimated monthly branded searches held steady at 9.1M.
- Across the 11 months ending August 2026, Outlook’s estimated Share of Search among calendar apps worldwide moved from 89.9% to 88%, and its estimated monthly branded searches moved from 83.1M to 68M.
How did search popularity change for calendar apps worldwide in August 2026?
2 changes
In August 2026, Google Calendar gained estimated Share of Search among calendar apps worldwide, from 9.9% to 11.8%.
In August 2026, Outlook lost estimated Share of Search among calendar apps worldwide, from 89.9% to 88%.
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
1 branded search term
- hotmail
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.