Smartlead vs Warmbox:Which is searched more?
In September 2026, Smartlead had more branded searches than Warmbox among email warmup tools worldwide. Smartlead had about 40,500 branded searches, while Warmbox had 2,900. Smartlead made up 64.7% of all email warmup tool searches we track, and Warmbox accounted for 4.6%. These are worldwide searches for English-language branded terms.
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Is Smartlead or Warmbox more popular in search?
Compare the tools used to warm up sending domains. 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 searches by month for Smartlead, Warmbox. The figures are in the table below the chart.
View monthly share of searches table
| Month | Smartlead | Warmy | MailReach | Warmup Inbox | Lemwarm | Warmbox | Instantly |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 52.5% | 15.7% | 8.5% | 5.6% | 10.5% | 5.6% | 1.6% |
| Nov 2025 | 46.1% | 25.2% | 7.5% | 4.9% | 7.5% | 7.5% | 1.3% |
| Dec 2025 | 31.6% | 47.1% | 6.3% | 5.1% | 6.3% | 2.7% | 0.88% |
| Jan 2026 | 48.6% | 21.7% | 7.9% | 6.5% | 9.7% | 4.3% | 1.4% |
| Feb 2026 | 48.3% | 21.6% | 9.6% | 5.2% | 9.6% | 4.3% | 1.4% |
| Mar 2026 | 56.2% | 13.7% | 9.2% | 6.1% | 9.2% | 4.1% | 1.6% |
| Apr 2026 | 57.4% | 11.5% | 11.5% | 6.2% | 7.6% | 4.2% | 1.6% |
| May 2026 | 60.2% | 12% | 9.8% | 5.3% | 8% | 3.5% | 1.2% |
| Jun 2026 | 61.7% | 10.1% | 10.1% | 6.7% | 6.7% | 3.5% | 1.3% |
| Jul 2026 | 62.5% | 10.2% | 10.2% | 6.8% | 5.5% | 3.6% | 1.2% |
| Aug 2026 | 61.1% | 10% | 10% | 8.1% | 5.4% | 4.4% | 1.1% |
| Sep 2026 | 64.7% | 10.6% | 8.6% | 5.8% | 4.6% | 4.6% | 1% |
How has the Smartlead and Warmbox comparison changed over the last 12 months?
3 findings
- Smartlead was ahead of Warmbox in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Smartlead’s share of searches among email warmup tools worldwide moved from 52.5% to 64.7%, and its estimated monthly branded searches moved from 27.1K to 40.5K.
- Across the 12 months ending September 2026, Warmbox’s share of searches among email warmup tools worldwide moved from 5.6% to 4.6%, and its estimated monthly branded searches held steady at 2.9K.
How did search popularity change for email warmup tools worldwide in September 2026?
2 changes
In September 2026, Smartlead gained share of searches among email warmup tools worldwide, from 61.1% to 64.7%.
Warmbox’s share of searches among email warmup tools worldwide has gained ground for 3 months in a row, from 3.5% to 4.6% in September 2026.
How are branded searches counted?
3 search terms
Brandwave collects information about searches that people make online using Smartlead’s and Warmbox’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 email warmup tools
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