Warmbox vs Warmup Inbox:Which is searched more?
In September 2026, Warmup Inbox had more branded searches than Warmbox among email warmup tools worldwide. Warmup Inbox had about 3,600 branded searches, while Warmbox had 2,900. Warmup Inbox made up 5.8% 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 Warmbox or Warmup Inbox 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 Warmup Inbox, 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 Warmbox and Warmup Inbox comparison changed over the last 12 months?
3 findings
- The lead changed hands once in the 12 months ending September 2026: Warmup Inbox took it in December 2025.
- 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.
- Across the 12 months ending September 2026, Warmup Inbox’s share of searches among email warmup tools worldwide moved from 5.6% to 5.8%, and its estimated monthly branded searches moved from 2.9K to 3.6K.
How did search popularity change for email warmup tools worldwide in September 2026?
2 changes
In September 2026, Warmup Inbox lost share of searches among email warmup tools worldwide, from 8.1% to 5.8%.
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?
2 search terms
Brandwave collects information about searches that people make online using Warmbox’s and Warmup Inbox’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.
Warmbox
1 branded search term
- warmbox
Warmup Inbox
1 branded search term
- warmup inbox
Other head-to-heads among email warmup tools
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