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CRM · head to head

Really Simple Systems vs Seamless.AI

R

Really Simple Systems

CRM

Easy CRM for small businesses

From
$15/month
Rated
-
Full reviewWebsite
Seamless.AI logo

Seamless.AI

CRM

Sales lead search engine for finding contact and company data

From
Free
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: Really Simple Systems the vendor's own pricing page as captured by the Internet Archive on 22 October 2019 listed four CRM tiers billed annually: Free at $0 for up to 2 users, Starter at $14 per user per month, Professional at $30 per user per month, and Enterprise at $46 per user per month (each roughly 7 to 10 percent higher if billed monthly); the Marketing add-on was $22 per month for up to 5,000 emails and Advanced Marketing scaled to 50,000 emails per month, though this capture is over five years old; Seamless.AI pro and Enterprise pricing is not published and requires contacting sales.
  • They diverge on capability: Really Simple Systems covers Contact management, Seamless.AI covers Contact search.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Really Simple Systems and Seamless.AI actually diverge.

Attributes where Really Simple Systems and Seamless.AI differ
AttributeReally Simple SystemsSeamless.AI
Starting price$15/monthFree
Pricing modelsubscriptionfreemium
Free tierNoYes
PlatformsWebweb, api
Founded2009Unknown

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 Really Simple Systems

  • Contact management
  • Sales pipeline
  • Task management
  • Email integration
  • Reporting
  • Zapier
  • Google Workspace
  • GDPR

Only in Seamless.AI

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

What people use each for

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

Really Simple Systems

  • Sales managementnot Seamless.AI
  • Contact trackingnot Seamless.AI

Seamless.AI

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

Where each one falls short

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

Really Simple Systems

  • The vendor's own pricing page as captured by the Internet Archive on 22 October 2019 listed four CRM tiers billed annually: Free at $0 for up to 2 users, Starter at $14 per user per month, Professional at $30 per user per month, and Enterprise at $46 per user per month (each roughly 7 to 10 percent higher if billed monthly); the Marketing add-on was $22 per month for up to 5,000 emails and Advanced Marketing scaled to 50,000 emails per month, though this capture is over five years old

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.

Pricing, plan by plan

Really Simple Systems

$15/month
  • Essential$15/month
    • Contact management
    • Task tracking
  • Professional$25/month
    • Everything in Essential
    • Sales pipeline
    • Reporting
  • Professional Plus$35/month
    • Everything in Professional
    • Advanced customization

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

Which should you pick?

Choose Really Simple Systems if

  • You need contact management.
  • You also want sales pipeline.
Really Simple Systems review

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

Questions people ask

Is Really Simple Systems or Seamless.AI better?
Neither clearly leads. Really Simple Systems starts at $15/month and Seamless.AI at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Really Simple Systems or Seamless.AI?
Seamless.AI has a free tier; the other does not. Paid plans start at $15/month for Really Simple Systems and Free for Seamless.AI.
Does Really Simple Systems or Seamless.AI run on more platforms?
Really Simple Systems runs on Web. Seamless.AI runs on web, api.
Can I use Seamless.AI for free?
Yes. Seamless.AI has a free tier, so you can try it without paying. Really Simple Systems starts at $15/month.
What is Really Simple Systems best used for?
Really Simple Systems is most often used for sales management, contact tracking. Of those, sales management and contact tracking are not what Seamless.AI is typically brought in for.
What can Really Simple Systems do that Seamless.AI cannot?
Really Simple Systems covers Contact management, Sales pipeline, Task management, Email integration. Seamless.AI covers Contact search, Real-time search engine, Job change alerts, Buyer intent data.

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
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
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
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