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phpListOpen source newsletter and email marketing software
vs
SubstackThe app for independent voices
Comparison · Email Marketing · weekly run Nov 2

phpList vs Substack

Which one do AI engines recommend, and how do they differ on price, fit and features?

The short answer

phpList is the stronger AI pick in Email Marketing: it has a visibility score of 0.9 versus 0 for Substack.

Choose phpList if…

  • You want the brand AI engines rank higher (0.9 vs 0)

Choose Substack if…

No clear advantage in the published data.

AI visibility side by side

Latest weekly run · Nov 2

Metric phpList Substack
Visibility score0.9%0%
Change vs last weekNewNew
Rank in Email Marketing#34#55
Share of voice0.3%0%
Mentions this run10
Positive in AI answers0%—

The stronger value in each row is marked with a ✓.

Visibility score trend

Weekly runs over the last 60 days

0%25%50%75%100%Nov 2phpList 1%

phpList 0pp · Substack 0pp over 0 weekly runs.

Engine by engine

phpList leads on 1 of 3 engines

ChatGPT
0%
0%
AI Mode
2.6%
0%
Perplexity
0%
0%
phpListSubstack

Head to head in AI answers

0 engine answers name both brands

0phpList ranked higher
0Substack ranked higher

Features, pricing & fit

DimensionphpListSubstack
DeploymentInstalled on the customer's own server, with a hosted option through phpList.com—
SupportCommunity documentation and forums on phplist.org, Professional support from experienced consultants and community membersHelp center, Resource center, Community and programs
Founded—2017
HeadquartersMarston Moretaine, Bedfordshire, UK—
FundingBootstrappedSeries C · $200M raised
Best forCommunity groups, small businesses and startups wanting a lean, low-cost choice, and large organisations that want to keep their data on their own serversWriters, journalists, podcasters, video creators and media companies that want to sell subscriptions directly to readers

Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run

Cite as: SlateIndex, “phpList vs Substack”, https://slateindex.ai/compare/phplist-vs-substack, data of Nov 2, 2026. Licence: CC BY 4.0.