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CRM · head to head

Seamless.AI vs SharpSpring

Seamless.AI logo

Seamless.AI

CRM

Sales lead search engine for finding contact and company data

From
Free
Rated
-
Full reviewWebsite
SharpSpring logo

SharpSpring

CRM

Marketing automation for agencies

From
$50/month
Rated
-
Full reviewWebsite

The short version

  • Only Seamless.AI has a free tier, so it costs nothing to try first.
  • Each has a real cost: Seamless.AI pro and Enterprise pricing is not published and requires contacting sales.; SharpSpring still operates under the SharpSpring brand name (footer copyright SharpSpring 2026) as a Constant Contact product, serving over 2000 agencies and 10000 businesses per the vendor site
  • They diverge on capability: Seamless.AI covers Contact search, SharpSpring covers Contact management.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Seamless.AI and SharpSpring actually diverge.

Attributes where Seamless.AI and SharpSpring differ
AttributeSeamless.AISharpSpring
Starting priceFree$50/month
Pricing modelfreemiumsubscription
Free tierYesNo
Platformsweb, apiWeb
FoundedUnknown2014

Identical on both: user rating (Not yet rated), category (CRM).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Seamless.AI

  • Contact search
  • Real-time search engine
  • Job change alerts
  • Buyer intent data
  • CRM and API integrations
  • Enterprise security

Only in SharpSpring

  • Contact management
  • Email marketing
  • Landing pages
  • Marketing automation
  • CRM
  • Reporting
  • White labeling
  • Zapier

What people use each for

The jobs each tool is most often brought in to do.

Seamless.AI

  • B2B sales teams building prospecting listsnot SharpSpring
  • Finding verified emails and phone numbers for outreachnot SharpSpring
  • Tracking job changes among target contactsnot SharpSpring
  • Identifying accounts showing buyer intentnot SharpSpring

SharpSpring

  • Marketing automationnot Seamless.AI
  • Lead generationnot Seamless.AI
  • Client managementnot Seamless.AI

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Seamless.AI

  • Pro and Enterprise pricing is not published and requires contacting sales.
  • Free plan is limited to just 50 credits and a single user.
  • Data accuracy for contact details can vary and requires verification before outreach.
  • Credit-based usage model means heavy prospecting can exhaust allotments quickly.

SharpSpring

  • Still operates under the SharpSpring brand name (footer copyright SharpSpring 2026) as a Constant Contact product, serving over 2000 agencies and 10000 businesses per the vendor site

Pricing, plan by plan

Seamless.AI

Free
  • FreeFree
    • 1 user
    • 50 credits
    • Email and cell phone search
  • Pro$undefined/mo
    • Per-user pricing
    • Unlimited exports
    • Annual credit packages
  • Enterprise$undefined/mo
    • Unlimited users
    • Custom credit allotments
    • Dedicated success manager

SharpSpring

$50/month
  • Professional$50/month
    • Contact management
    • Email marketing
    • Landing pages
  • Agency$100/month
    • Everything in Professional
    • Client management
    • White labeling
  • Enterprise$undefined/month
    • Everything in Agency
    • Custom integration
    • Dedicated support

Which should you pick?

Choose Seamless.AI if

  • You need contact search.
  • You want to start without paying.
  • You work on web, api.
  • You also want real-time search engine.
Seamless.AI review

Choose SharpSpring if

  • You need contact management.
  • You also want email marketing.
SharpSpring review

Questions people ask

Is Seamless.AI or SharpSpring better?
Neither clearly leads. Seamless.AI starts at Free and SharpSpring at $50/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Seamless.AI or SharpSpring?
Seamless.AI has a free tier; the other does not. Paid plans start at Free for Seamless.AI and $50/month for SharpSpring.
Does Seamless.AI or SharpSpring run on more platforms?
Seamless.AI runs on web, api. SharpSpring runs on Web.
Can I use Seamless.AI for free?
Yes. Seamless.AI has a free tier, so you can try it without paying. SharpSpring starts at $50/month.
What is Seamless.AI best used for?
Seamless.AI is most often used for b2b sales teams building prospecting lists, finding verified emails and phone numbers for outreach, tracking job changes among target contacts, identifying accounts showing buyer intent. Of those, b2b sales teams building prospecting lists and finding verified emails and phone numbers for outreach are not what SharpSpring is typically brought in for.
What can Seamless.AI do that SharpSpring cannot?
Seamless.AI covers Contact search, Real-time search engine, Job change alerts, Buyer intent data. SharpSpring covers Contact management, Email marketing, Landing pages, Marketing automation.

Answered from the vendors’ own pages

Seamless.AI: Is there a free plan, and what are its limits?

Yes, the Free plan includes 1 user and 50 credits, with access to email and cell phone search, real-time search, and API access.

Source
SharpSpring: Does SharpSpring offer different pricing for agencies versus enterprise customers?

SharpSpring explicitly tailors pricing to three customer segments: SMBs, Agencies, and Enterprise. Agencies receive month-to-month plans with flexible billing, while enterprise customers get custom plans designed to scale.

Source
Seamless.AI: How is usage metered on Seamless.AI?

Seamless.AI uses a credit system where credits are consumed to research contact details; paid Pro plans start with larger annual credit packages than the Free plan.

Source
SharpSpring: Are SharpSpring's agency plans billed monthly?

Yes. The site specifically mentions that agencies receive affordable month-to-month plans, indicating monthly billing flexibility rather than annual-only contracts.

Source
Seamless.AI: Does Seamless.AI have an API?

Yes, API access is included even on the Free plan, alongside export and integration capabilities on paid plans.

Source
SharpSpring: What payment options are available for SharpSpring?

The site does not specify payment methods or models. Specific pricing details and payment options require contacting SharpSpring directly or visiting their dedicated pricing pages.

Source
SharpSpring: Is SharpSpring more affordable than competitors?

SharpSpring describes itself as offering a full feature set for a fraction of the cost of leading competitors, particularly for SMBs. However, specific pricing amounts are not disclosed on the homepage.

Source
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