# Validity Everest alternatives: what AI models name instead, November 2026

Gane Index, November 2026 Edition. 194 of the 252 answers in the 1 category where Validity Everest 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/validity-everest/alternatives

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

- GlockApps: 40
- Google Postmaster Tools: 18
- Sender: 12
- MXToolbox: 9
- Validity Engage: 7
- Instantly: 6

## Email deliverability and testing tools

**Small business**: 83 of 84 answers did not name Validity Everest.

- GlockApps: first choice in 21 of those 83
- Google Postmaster Tools: first choice in 10 of those 83
- MXToolbox: first choice in 7 of those 83
- Sender: first choice in 7 of those 83
- Instantly: first choice in 6 of those 83
- Mail-Tester: first choice in 6 of those 83
- Brevo: first choice in 3 of those 83
- MailerLite: first choice in 3 of those 83

**Mid-market**: 68 of 84 answers did not name Validity Everest (Validity Everest is #7 of 19 at 2%).

- GlockApps: first choice in 17 of those 68
- Google Postmaster Tools: first choice in 8 of those 68
- Sender: first choice in 5 of those 68
- Litmus: first choice in 3 of those 68
- HubSpot Sales Hub: first choice in 2 of those 68
- MXToolbox: first choice in 2 of those 68
- Microsoft SNDS: first choice in 2 of those 68
- Allegrow: first choice in 1 of those 68

**Enterprise**: 43 of 84 answers did not name Validity Everest (Validity Everest is #1 of 17 at 46%).

- Validity Engage: first choice in 7 of those 43
- GlockApps: first choice in 2 of those 43
- Inbox Monster: first choice in 2 of those 43
- Mailgun: first choice in 2 of those 43
- Mailgun Optimize: first choice in 2 of those 43
- Allegrow: first choice in 1 of those 43
- Amplemarket: first choice in 1 of those 43
- Everest: first choice in 1 of those 43

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