Insider OneCustomer engagement AI platform for marketing teams
vs
ListmonkFree and open source self-hosted newsletter and mailing list manager
Comparison · Marketing Automation · weekly run Nov 2
Insider One vs Listmonk
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Insider One is the stronger AI pick in Marketing Automation: it has a visibility score of 2.3 versus 0 for Listmonk.
Choose Insider One if…
- You want the brand AI engines rank higher (2.3 vs 0)
- You need ISO/IEC 27001:2022 or SOC 2 Type 2 or ISO 22301 or CSA STAR Registry or GDPR-compliant coverage
Choose Listmonk if…
No clear advantage in the published data.
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Insider One | Listmonk |
|---|---|---|
| Visibility score | 2.3% | 0% |
| Change vs last week | New | New |
| Rank in Marketing Automation | #24 | #45 |
| Share of voice | 0.9% | 0% |
| Mentions this run | 5 | 0 |
| Positive in AI answers | 33% | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Insider One 0pp · Listmonk 0pp over 0 weekly runs.
Engine by engine
Insider One leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
Insider OneListmonk
Head to head in AI answers
0 engine answers name both brands
0Insider One ranked higher
0Listmonk ranked higher
Features, pricing & fit
| Dimension | Insider One | Listmonk |
|---|---|---|
| Deployment | Cloud-based | Self-hosted |
| Integrations | 100+ | — |
| Compliance | ISO/IEC 27001:2022, SOC 2 Type 2, ISO 22301, CSA STAR Registry, GDPR-compliant | — |
| Support | Help Center, Insider One Academy | GitHub issues |
| Founded | 2012 | 2018 |
| Employees | 1,001–5,000 | — |
| Funding | Series E | — |
| Best for | Marketing teams at large consumer brands that want one platform for data, personalization and cross-channel engagement | Individuals running a newsletter on a small VPS, and large organisations serving millions of subscribers |
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Insider One vs Listmonk”, https://slateindex.ai/compare/insider-one-vs-listmonk, data of Nov 2, 2026. Licence: CC BY 4.0.