Fyxer AI vs Inbox Zero:Which is more popular?
In September 2026, Fyxer AI had more branded searches than Inbox Zero among AI email assistants worldwide. Fyxer AI had about 26,200 branded searches, while Inbox Zero had 140. Fyxer AI made up 44.8% of all AI email assistant searches we track, and Inbox Zero accounted for 0.24%. When we asked ChatGPT and Google AI Overviews about AI email assistants, Fyxer AI and Inbox Zero each appeared in three of the five answers. Fyxer AI was mentioned before Inbox Zero in three out of four answers that named either.
Who do people search for more?
Fyxer AI, about 187 searches for every 1 for Inbox Zero
Who does AI mention more?
Both were mentioned in 3 of 5 answers.
Who does AI recommend more?
Fyxer AI, named ahead of Inbox Zero in 3 of 4 answers
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Top AI email assistants in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Fyxer AI was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Inbox Zero was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Fyxer AI was listed before Inbox Zero in three out of four answers that named either.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Fyxer AI1st
Inbox Zero2nd
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Fyxer AI3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Inbox Zero3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about AI email assistants
5 answers
Asked ChatGPT
“Which AI email assistant should I use?”
Asked ChatGPT
“What are the best AI email assistants?”
Asked ChatGPT
“What's the best AI email assistant for a busy inbox?”
Searched Google, AI Overview
“ai email assistants”
Searched Google, AI Overview
“email productivity tool”
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is Fyxer AI or Inbox Zero more popular in search?
This chart shows how often people search Google for Fyxer AI and Inbox Zero by name. Each line represents a brand's share of searches for all six AI email assistants we track, month by month, from English-language searches worldwide.
Share of searches by month for Fyxer AI, Inbox Zero. The figures are in the table below the chart.
View monthly share of searches table
| Month | Fyxer AI | Inbox Zero |
|---|---|---|
| Nov 2025 | 65.2% | 0.2% |
| Dec 2025 | 60.6% | 0.17% |
| Jan 2026 | 60% | 0.18% |
| Feb 2026 | 58% | 0.19% |
| Mar 2026 | 56.8% | 0.19% |
| Apr 2026 | 47.4% | 0.19% |
| May 2026 | 47.4% | 0.18% |
| Jun 2026 | 40.6% | 0.24% |
| Jul 2026 | 43.9% | 0.3% |
| Aug 2026 | 36% | 0.22% |
| Sep 2026 | 44.8% | 0.24% |
| Oct 2026 | — | — |
How has branded search for Fyxer AI and Inbox Zero changed worldwide over the last 12 months?
3 findings
- Fyxer AI was ahead of Inbox Zero in every measured month of the 11 months ending September 2026.
- Across the 11 months ending September 2026, Fyxer AI’s share of searches among AI email assistants worldwide moved from 65.2% to 44.8%, and its estimated monthly branded searches moved from 71.7K to 26.2K.
- Across the 11 months ending September 2026, Inbox Zero’s share of searches among AI email assistants worldwide moved from 0.2% to 0.24%, and its estimated monthly branded searches moved from 220 to 140.
How did search popularity change for AI email assistants worldwide in September 2026?
2 changes

In September 2026, Fyxer AI gained share of searches among AI email assistants worldwide, from 36% to 44.8%.

Estimated monthly branded searches for Inbox Zero worldwide fell 36.4% over 11 measured months, from 220 to 140 in September 2026.
How are Fyxer AI’s and Inbox Zero’s branded searches counted?
4 search terms
Brandwave collects information about searches that people make online using Fyxer AI’s and Inbox Zero’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.
Fyxer AI
2 branded search terms
- fyxer
- fyxer ai
Inbox Zero
2 branded search terms
- getinboxzero
- inbox zero ai

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