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SlateIndex
Act-OnMarketing automation for your entire customer lifecycle
vs
Constant ContactTools to simplify and amplify digital marketing for small businesses
Comparison · Marketing Automation · weekly run Nov 2

Act-On vs Constant Contact

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

The short answer

Constant Contact is the stronger AI pick in Marketing Automation: it has a visibility score of 3.5 versus 1 for Act-On.

Choose Act-On if…

  • Favored for mid-market demand generation
  • Lower total cost of ownership
  • Fast deployment

Choose Constant Contact if…

  • You want the brand AI engines rank higher (3.5 vs 1)
  • You prefer a larger, established vendor (1,001–5,000 employees)
  • best for small businesses
  • simple email campaigns for small businesses

AI visibility side by side

Latest weekly run · Nov 2

Metric Act-On Constant Contact
Visibility score1%3.5%
Change vs last weekNewNew
Rank in Marketing Automation#31#21
Share of voice0.5%0.7%
Mentions this run34
Positive in AI answers33%33%

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 2Act-On 1%

Act-On 0pp · Constant Contact 0pp over 0 weekly runs.

Engine by engine

Constant Contact leads on 3 of 3 engines

ChatGPT
1.9%
7.2%
AI Mode
1.1%
3.1%
Perplexity
0%
0%
Act-OnConstant Contact

Head to head in AI answers

0 engine answers name both brands

0Act-On ranked higher
0Constant Contact ranked higher

Features, pricing & fit

DimensionAct-OnConstant Contact
Pricing modelUsage-based—
Entry price$900 / mo—
Free planNo—
Deployment—Cloud-based
SupportStandard support package with email-based support, Premium support package, recommended for Enterprise—
Founded20081996
HeadquartersPortland, Oregon, United StatesWaltham, Massachusetts, USA
Employees201–5001,001–5,000
FundingRound of $4M, about six months before the 2011 Series C · $82M raisedFunding round led by Clearlake-managed vehicle Icon Partners VI (amount not disclosed)
Best forMidsize and enterprise marketing teams focused on growing revenue through lifecycle marketing, including distributed organizations such as franchises and branch offices.Small businesses and nonprofits

Plans side by side

Act-On

Professional$900month (2,500 active contacts/month)
EnterpriseCustomcustom quote
Act-On pricing

Constant Contact

Pricing not available.

Pros and cons

Themes from the AI answers that mention each brand

Act-On

  • Favored for mid-market demand generation
  • Lower total cost of ownership
  • Fast deployment

    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

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

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