Public data · updated September 5, 2026
Which email client software does AI actually recommend?
We asked ChatGPT + Gemini the questions a real buyer asks — starting with “best email client software” — and counted how often each of 5 brands got named.
No brand names in the questions. If a company shows up, it earned it.
5
brands scanned
41
average score
2
scored under 26
40%
effectively invisible
Most recommended
1
Outlook
89Dominant
named in 11 of 11 questions
2
Gmail
60Moderate
named in 6 of 11 questions
3
Spark
55Moderate
named in 4 of 11 questions
| # | Company | Visibility score | Named in | Top competitor |
|---|---|---|---|---|
| 1 | Outlook email client software | 89Dominant | 11 / 11 category questions | Gmail 6 / 11 |
| 2 | Gmail email client software | 60Moderate | 6 / 11 category questions | Outlook 11 / 11 · ahead |
| 3 | Spark email client software | 55Moderate | 4 / 11 category questions | Outlook 11 / 11 · ahead |
| 4 | Superhuman email client software | 0Invisible | 0 / 11 category questions | Outlook 11 / 11 · ahead |
| 5 | Missive email client software | 0Invisible | 0 / 11 category questions | Outlook 11 / 11 · ahead |
How this was measured
- Every brand was asked the same set of neutral email client software questions — never containing the brand's own name, and never naming a competitor.
- The score weights how often the brand appeared (50%), how high it ranked (30%), and how positively it was described (20%).
- Matching is whole-word, and an answer saying it has never heard of a brand does not count as a mention.
- AI answers vary between runs, so every question is asked more than once and a brand only counts as named when the majority of runs name it.
This run: ChatGPT + Gemini · single run per question · September 5, 2026
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Other categories
Scores reflect AI responses at the time of scanning and will move as models are updated. This index is published by SEO4AI and is not affiliated with, endorsed by, or sponsored by any company listed.