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ApolloThe AI GTM System for Go-to-Market Teams
vs
KeilaEasy and reliable open source email newsletters
Comparison · Email Marketing · weekly run Nov 2

Apollo vs Keila

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

The short answer

Apollo is the stronger AI pick in Email Marketing: it has a visibility score of 0.4 versus 0 for Keila.

Choose Apollo if…

  • You want the brand AI engines rank higher (0.4 vs 0)
  • You need GDPR or SOC 2 or CCPA or ISO/IEC 27001 or CASA Tier 2 or CPRA or EU-US DPF or PCI DSS coverage
  • Large B2B contact database combined with prospecting and email sequencing
  • Transparent self-serve per-user pricing with a free tier

Choose Keila if…

No clear advantage in the published data.

AI visibility side by side

Latest weekly run · Nov 2

Metric Apollo Keila
Visibility score0.4%0%
Change vs last weekNewNew
Rank in Email Marketing#40#50
Share of voice0.3%0%
Mentions this run10
Positive in AI answers60%—

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 2Apollo 0%

Apollo 0pp · Keila 0pp over 0 weekly runs.

Engine by engine

Apollo leads on 1 of 3 engines

ChatGPT
0%
0%
AI Mode
1.3%
0%
Perplexity
0%
0%
ApolloKeila

Head to head in AI answers

0 engine answers name both brands

0Apollo ranked higher
0Keila ranked higher

Features, pricing & fit

DimensionApolloKeila
Pricing modelPer seat—
Entry priceContact sales—
Free planYes—
DeploymentCloud platformSelf-hosted with an official Docker image, or managed through Keila Cloud
Integrations200+—
ComplianceGDPR, SOC 2, CCPA, ISO/IEC 27001, CASA Tier 2, CPRA, EU-US DPF, PCI DSS—
SupportEmail support at support@apollo.io, Dedicated support on Custom plans, Sales team for Custom plan discussionsDirect support for Keila Cloud customers with templates, forms and spam complaints, Paid help setting up a self-hosted instance
Founded2015—
HeadquartersSan Francisco, CASeybothenreuth, Germany
Employees501–1,000—
FundingSeries D · $250M raisedBootstrapped
Best forSales and go-to-market teams that run prospecting, outreach and dialing and want data, AI and execution in one systemOrganisations that want an open-source, EU-hosted alternative to Mailchimp, whether self-hosted or managed

Plans side by side

Apollo

Free$0
BasicCustom
ProfessionalCustom
CustomCustom
Apollo pricing

Keila

Pricing not available.

Pros and cons

Themes from the AI answers that mention each brand

Apollo

  • Large B2B contact database combined with prospecting and email sequencing
  • Transparent self-serve per-user pricing with a free tier
  • Strong all-in-one value for prospecting and outreach
  • Affordable, reliable choice for small teams and startups
  • Widely used and highly rated by reviewers

    Keila

    Profile in progress.

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

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