Mailbutler vs Shortwave:Which is more popular by branded search?
In August 2026, Shortwave had more branded searches than Mailbutler among AI email assistants worldwide. Shortwave was estimated to have 14.8K branded searches compared to Mailbutler’s 6.6K, and held a 10.6% Share of Search versus Mailbutler’s 4.7%. These are worldwide searches for English-language branded terms.
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Which is more popular in search, Mailbutler or Shortwave?
Compare the AI tools that help manage and write email. 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 Shortwave, Mailbutler. The figures are in the table below the chart.
View monthly share of search table
| Month | Superhuman | Shortwave | SaneBox | Mailbutler |
|---|---|---|---|---|
| Oct 2025 | 79.2% | 10.6% | 7.1% | 3.1% |
| Nov 2025 | 82.2% | 9% | 6.1% | 2.7% |
| Dec 2025 | 79.7% | 10.7% | 7.1% | 2.6% |
| Jan 2026 | 80.6% | 10.8% | 5.9% | 2.6% |
| Feb 2026 | 80.7% | 10.8% | 5.9% | 2.6% |
| Mar 2026 | 81.9% | 11% | 4.9% | 2.2% |
| Apr 2026 | 78.8% | 12.9% | 5.7% | 2.5% |
| May 2026 | 79.2% | 13% | 5.8% | 2% |
| Jun 2026 | 77.2% | 10.3% | 6.9% | 5.6% |
| Jul 2026 | 80.1% | 13.1% | 4.8% | 2.1% |
| Aug 2026 | 78.9% | 10.6% | 5.8% | 4.7% |
| Sep 2026 | — | — | — | — |
How has the Mailbutler and Shortwave comparison changed over the last 12 months?
3 findings
- Shortwave was ahead of Mailbutler in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Mailbutler’s estimated Share of Search among AI email assistants worldwide moved from 3.1% to 4.7%, and its estimated monthly branded searches moved from 3.6K to 6.6K.
- Across the 11 months ending August 2026, Shortwave’s estimated Share of Search among AI email assistants worldwide held steady at 10.6%, and its estimated monthly branded searches moved from 12.1K to 14.8K.
How did search popularity change for AI email assistants worldwide in August 2026?
2 changes
In August 2026, Mailbutler gained estimated Share of Search among AI email assistants worldwide, from 2.1% to 4.7%.
In August 2026, Shortwave lost estimated Share of Search among AI email assistants worldwide, from 13.1% to 10.6%.
How each brand is measured
Brandwave collects information about searches that people make online using Mailbutler’s and Shortwave’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.
Mailbutler
1 branded search term
- mailbutler
Shortwave
1 branded search term
- shortwave
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.