# Litmus alternatives: what AI models name instead, November 2026

Gane Index, November 2026 Edition. 212 of the 252 answers in the 1 category where Litmus holds a standing named it neither first nor as an alternative; these are the first choices those answers made. Page: https://www.gane.ai/index/gtm/vendors/litmus/alternatives

## Named instead, most often (every category and segment added)

- GlockApps: 42
- Validity Everest: 23
- Google Postmaster Tools: 16
- Sender: 12
- MXToolbox: 9
- Instantly: 8

## Email deliverability and testing tools

**Small business**: 77 of 84 answers did not name Litmus (Litmus is #11 of 15 at 2%).

- GlockApps: first choice in 18 of those 77
- Google Postmaster Tools: first choice in 9 of those 77
- Sender: first choice in 7 of those 77
- Instantly: first choice in 6 of those 77
- MXToolbox: first choice in 6 of those 77
- Mail-Tester: first choice in 5 of those 77
- Brevo: first choice in 3 of those 77
- MailerLite: first choice in 3 of those 77

**Mid-market**: 69 of 84 answers did not name Litmus (Litmus is #3 of 19 at 6%).

- GlockApps: first choice in 21 of those 69
- Google Postmaster Tools: first choice in 7 of those 69
- Sender: first choice in 5 of those 69
- MXToolbox: first choice in 3 of those 69
- HubSpot Sales Hub: first choice in 2 of those 69
- Microsoft SNDS: first choice in 2 of those 69
- ZeroBounce: first choice in 2 of those 69
- Allegrow: first choice in 1 of those 69

**Enterprise**: 66 of 84 answers did not name Litmus (Litmus is #8 of 17 at 2%).

- Validity Everest: first choice in 23 of those 66
- Validity Engage: first choice in 4 of those 66
- GlockApps: first choice in 3 of those 66
- Inbox Monster: first choice in 3 of those 66
- Mailgun Optimize: first choice in 3 of those 66
- Instantly: first choice in 2 of those 66
- Mailgun: first choice in 2 of those 66
- Allegrow: first choice in 1 of those 66

Published under CC BY 4.0. The output is the models' output; nothing here is a recommendation by the index.