Newton vs Spark:Which is more popular by branded search?
In August 2026, Spark had more branded searches than Newton among email clients worldwide. Spark was estimated to have 22.2K branded searches compared to Newton’s 720, and held a 2.3% Share of Search versus Newton’s 0.07%. These are worldwide searches for English-language branded terms.
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Which is more popular in search, Newton or Spark?
Compare the apps people manage email 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 Spark, Newton. The figures are in the table below the chart.
View monthly share of search table
| Month | Thunderbird | Superhuman | Spark | Airmail | Newton |
|---|---|---|---|---|---|
| Oct 2025 | 87.7% | 7.9% | 2.4% | 1.9% | 0.08% |
| Nov 2025 | 84.5% | 11.3% | 2.3% | 1.9% | 0.1% |
| Dec 2025 | 85.8% | 9.4% | 2.3% | 2.3% | 0.17% |
| Jan 2026 | 84.5% | 11.3% | 2.3% | 1.9% | 0.1% |
| Feb 2026 | 87.4% | 9.6% | 1.6% | 1.3% | 0.11% |
| Mar 2026 | 85.1% | 11.4% | 1.9% | 1.5% | 0.09% |
| Apr 2026 | 86.8% | 9.5% | 1.9% | 1.6% | 0.17% |
| May 2026 | 88.7% | 8% | 2% | 1.3% | 0.08% |
| Jun 2026 | 86% | 9.5% | 2.3% | 1.9% | 0.38% |
| Jul 2026 | 86.5% | 9.5% | 2.3% | 1.6% | 0.13% |
| Aug 2026 | 84.5% | 11.3% | 2.3% | 1.9% | 0.07% |
| Sep 2026 | — | — | — | — | — |
How has the Newton and Spark comparison changed over the last 12 months?
3 findings
- Spark was ahead of Newton in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Newton’s estimated Share of Search among email clients worldwide moved from 0.08% to 0.07%, and its estimated monthly branded searches moved from 880 to 720.
- Across the 11 months ending August 2026, Spark’s estimated Share of Search among email clients worldwide moved from 2.4% to 2.3%, and its estimated monthly branded searches moved from 27.1K to 22.2K.
How did search popularity change for email clients worldwide in August 2026?
2 changes
How each brand is measured
Brandwave collects information about searches that people make online using Newton’s and Spark’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.
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.