MailReach vs Warmup Inbox:Which is more popular?
In September 2026, MailReach had more branded searches than Warmup Inbox among email warmup tools worldwide. MailReach had about 5,400 branded searches, while Warmup Inbox had 3,600. MailReach made up 8.6% of all email warmup tool searches we track, and Warmup Inbox accounted for 5.8%. When we asked ChatGPT and Google AI Overviews about email warmup tools, MailReach and Warmup Inbox each appeared in three of the five answers. MailReach was mentioned before Warmup Inbox in three out of four answers.
Who do people search for more?
MailReach, about 50% more searches than Warmup Inbox
Who does AI mention more?
Both were mentioned in 3 of 5 answers.
Who does AI recommend more?
MailReach, named ahead of Warmup Inbox in 3 of 4 answers
Follow MailReach vs Warmup Inbox and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Top email warmup tools in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, MailReach was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Warmup Inbox was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. MailReach was listed before Warmup Inbox in three out of four answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Lemwarm4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Instantly4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Smartlead3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers- MailReach3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Warmup Inbox3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Warmy2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Warmbox1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about email warmup tools
5 answers
Asked ChatGPT
“Which email warmup tool should I use?”
Asked ChatGPT
“What are the best email warmup tools?”
Asked ChatGPT
“What's the best email warmup tool for a new sending domain?”
Searched Google, AI Overview
“email warmup tool”
Searched Google, AI Overview
“email deliverability tool”
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is MailReach or Warmup Inbox more popular in search?
This chart shows how often people search Google for MailReach and Warmup Inbox by name. Each line represents a brand's share of searches for all seven email warmup tools we track, month by month, from English-language searches worldwide.
Share of searches by month for MailReach, Warmup Inbox. 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 MailReach and Warmup Inbox comparison changed over the last 12 months?
3 findings
- MailReach was ahead of Warmup Inbox in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, MailReach’s share of searches among email warmup tools worldwide moved from 8.5% to 8.6%, and its estimated monthly branded searches moved from 4.4K to 5.4K.
- 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?
3 changes
In September 2026, Warmy overtook MailReach to rank 2nd among email warmup tools worldwide, with 10.6% of the searches.
In September 2026, Warmup Inbox lost share of searches among email warmup tools worldwide, from 8.1% to 5.8%.
In September 2026, MailReach lost share of searches among email warmup tools worldwide, from 10% to 8.6%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using MailReach’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.
MailReach
1 branded search term
- mailreach
Warmup Inbox
1 branded search term
- warmup inbox
Other head-to-heads among email warmup tools
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.