EmailOctopusEmail marketing made easy
vs
EpsilonUnlock marketing's full potential
Comparison · Email Marketing · weekly run Nov 2
EmailOctopus vs Epsilon
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
EmailOctopus is the stronger AI pick in Email Marketing: it has a visibility score of 3.1 versus 0.9 for Epsilon.
Choose EmailOctopus if…
- You want the brand AI engines rank higher (3.1 vs 0.9)
- You need Says it is fully GDPR compliant or Registered with the UK ICO coverage
- Budget-friendly pricing
- Handles large subscriber lists
Choose Epsilon if…
- You need ISO 27001 or SOC 2 audit for parts of the business coverage
- You prefer a larger, established vendor (5,000+ employees)
- flexible technology for high-volume programs
- campaign operations, strategy, and creative services
AI visibility side by side
Latest weekly run · Nov 2
| Metric | EmailOctopus | Epsilon |
|---|---|---|
| Visibility score | 3.1% | 0.9% |
| Change vs last week | New | New |
| Rank in Email Marketing | #24 | #35 |
| Share of voice | 1.1% | 0.2% |
| Mentions this run | 5 | 1 |
| Positive in AI answers | 80% | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
EmailOctopus 0pp · Epsilon 0pp over 0 weekly runs.
Engine by engine
EmailOctopus leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
EmailOctopusEpsilon
Head to head in AI answers
0 engine answers name both brands
0EmailOctopus ranked higher
0Epsilon ranked higher
Features, pricing & fit
| Dimension | EmailOctopus | Epsilon |
|---|---|---|
| Pricing model | Flat tiers | — |
| Entry price | Free; paid from $9 / mo | — |
| Free plan | Yes | — |
| Deployment | Cloud SaaS hosted in the EU on AWS infrastructure | — |
| Integrations | 1000+ | — |
| Compliance | Says it is fully GDPR compliant, Registered with the UK ICO | ISO 27001, SOC 2 audit for parts of the business |
| Support | Live chat with a stated average response time of 9 seconds, Email support, Priority chat and email support on the Pro plan | — |
| Founded | 2015 | 1969 |
| Headquarters | London, England, United Kingdom | Irving, Texas, United States |
| Employees | 11–50 | 5,000+ |
| Funding | Bootstrapped | — |
| Best for | Authors, bloggers, artists, charities, small online stores and other small senders who want simple email newsletters at a low price. | Brands that want personalized, omnichannel marketing run at individual level and at scale |
Plans side by side
Epsilon
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
EmailOctopus
- Budget-friendly pricing
- Handles large subscriber lists
Epsilon
- flexible technology for high-volume programs
- campaign operations, strategy, and creative services
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “EmailOctopus vs Epsilon”, https://slateindex.ai/compare/emailoctopus-vs-epsilon, data of Nov 2, 2026. Licence: CC BY 4.0.