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SlateIndex
Constant ContactTools to simplify and amplify digital marketing for small businesses
vs
KeilaEasy and reliable open source email newsletters
Comparison · Email Marketing · weekly run Nov 2

Constant Contact vs Keila

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

Track both brands

The short answer

Constant Contact is the stronger AI pick in Email Marketing: it has a visibility score of 18.9 versus 0 for Keila.

Choose Constant Contact if…

  • You want the brand AI engines rank higher (18.9 vs 0)
  • best for small businesses
  • simple email campaigns for small businesses
  • saves money with annual prepay discounts

Choose Keila if…

No clear advantage in the published data.

AI visibility side by side

Latest weekly run · Nov 2

Metric Constant Contact Keila
Visibility score18.9%0%
Change vs last weekNewNew
Rank in Email Marketing#8#50
Share of voice5.1%0%
Mentions this run260
Positive in AI answers33%—

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 2Constant Contact 19%

Constant Contact 0pp · Keila 0pp over 0 weekly runs.

Engine by engine

Constant Contact leads on 3 of 3 engines

ChatGPT
25.2%
0%
AI Mode
17.6%
0%
Perplexity
14.1%
0%
Constant ContactKeila

Head to head in AI answers

0 engine answers name both brands

0Constant Contact ranked higher
0Keila ranked higher

Features, pricing & fit

DimensionConstant ContactKeila
DeploymentCloud-basedSelf-hosted with an official Docker image, or managed through Keila Cloud
Support—Direct support for Keila Cloud customers with templates, forms and spam complaints, Paid help setting up a self-hosted instance
Founded1996—
HeadquartersWaltham, Massachusetts, USASeybothenreuth, Germany
Employees1,001–5,000—
FundingFunding round led by Clearlake-managed vehicle Icon Partners VI (amount not disclosed)Bootstrapped
Best forSmall businesses and nonprofitsOrganisations that want an open-source, EU-hosted alternative to Mailchimp, whether self-hosted or managed

Pros and cons

Themes from the AI answers that mention each brand

Constant Contact

  • best for small businesses
  • simple email campaigns for small businesses
  • saves money with annual prepay discounts
  • accessible campaign creation, automation and social tools
  • best for nonprofits and events

    Keila

    Profile in progress.

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

    Cite as: SlateIndex, “Constant Contact vs Keila”, https://slateindex.ai/compare/constant-contact-vs-keila, data of Nov 2, 2026. Licence: CC BY 4.0.