EpsilonUnlock marketing's full potential
vs
phpListOpen source newsletter and email marketing software
Comparison · Email Marketing · weekly run Nov 2
Epsilon vs phpList
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Epsilon is the stronger AI pick in Email Marketing: it has a visibility score of 0.9 versus 0.9 for phpList.
Choose Epsilon if…
- You need ISO 27001 or SOC 2 audit for parts of the business coverage
- flexible technology for high-volume programs
- campaign operations, strategy, and creative services
Choose phpList if…
No clear advantage in the published data.
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Epsilon | phpList |
|---|---|---|
| Visibility score | 0.9% | 0.9% |
| Change vs last week | New | New |
| Rank in Email Marketing | #35 | #34 |
| Share of voice | 0.2% | 0.3% |
| Mentions this run | 1 | 1 |
| Positive in AI answers | — | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Epsilon 0pp · phpList 0pp over 0 weekly runs.
Engine by engine
Epsilon leads on 1 of 3 engines
ChatGPT
AI Mode
Perplexity
EpsilonphpList
Head to head in AI answers
0 engine answers name both brands
0Epsilon ranked higher
0phpList ranked higher
Features, pricing & fit
| Dimension | Epsilon | phpList |
|---|---|---|
| Deployment | — | Installed on the customer's own server, with a hosted option through phpList.com |
| Compliance | ISO 27001, SOC 2 audit for parts of the business | — |
| Support | — | Community documentation and forums on phplist.org, Professional support from experienced consultants and community members |
| Founded | 1969 | — |
| Headquarters | Irving, Texas, United States | Marston Moretaine, Bedfordshire, UK |
| Employees | 5,000+ | — |
| Funding | — | Bootstrapped |
| Best for | Brands that want personalized, omnichannel marketing run at individual level and at scale | Community groups, small businesses and startups wanting a lean, low-cost choice, and large organisations that want to keep their data on their own servers |
Pros and cons
Themes from the AI answers that mention each brand
Epsilon
- flexible technology for high-volume programs
- campaign operations, strategy, and creative services
phpList
Profile in progress.
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Epsilon vs phpList”, https://slateindex.ai/compare/epsilon-vs-phplist, data of Nov 2, 2026. Licence: CC BY 4.0.