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Software · head to head

Mailshake vs Seamless.AI

Mailshake logo

Mailshake

Software

Email outreach and sales engagement software for cold email and multichannel sequences

From
$25/month
Rated
-
Full reviewWebsite
Seamless.AI logo

Seamless.AI

Software

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: Mailshake no free trial is offered, unlike some competing outreach tools.; Seamless.AI pro and Enterprise pricing is not published and requires contacting sales.
  • They diverge on capability: Mailshake covers Automated Email Sequences, Seamless.AI covers Contact search.

Where they differ

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

Attributes where Mailshake and Seamless.AI differ
AttributeMailshakeSeamless.AI
Starting price$25/monthFree
Pricing modelsubscriptionfreemium
Free tierNoYes
Platformswebweb, api
Founded2015Unknown

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

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 Mailshake

  • Automated Email Sequences
  • Email Warmup & Verification
  • Data Finder
  • Unified Inbox
  • Power Phone Dialer
  • CRM Integrations
  • A/B Testing

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.

Mailshake

  • Running cold email outreach campaigns for sales prospectingnot Seamless.AI
  • Automating multi-step follow-up sequences with A/B testingnot Seamless.AI
  • Finding and verifying prospect contact data before outreachnot Seamless.AI
  • Combining email and phone dialing in one outbound workflownot Seamless.AI
  • Managing agency client outreach across separate billing teamsnot Seamless.AI

Seamless.AI

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

Where each one falls short

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

Mailshake

  • No free trial is offered, unlike some competing outreach tools.
  • The phone dialer and larger data finder credit allotments are only available on the higher-priced Sales Engagement plan.
  • Pricing scales per user/email address, which can become costly for larger outbound teams.
  • CRM integrations (Salesforce, Pipedrive, HubSpot) are limited to the Email Outreach plan and above, unavailable on Starter.

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

Mailshake

$25/month
  • Starter$25/month
    • 1 email address per account
    • 1,500 email sends per month
    • Unlimited uploaded contacts and campaigns
  • Email Outreach$45/month
    • 2 email addresses per account
    • Unlimited email sends and campaigns
    • 50 free data finder credits
  • Sales Engagement$85/month
    • 10 email addresses per account
    • 2,500 free data finder credits
    • 5 phone numbers with unlimited North America dialer minutes
  • Agency$undefined/month
    • Unlimited email addresses
    • All Sales Engagement features
    • Custom pricing for agencies

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 Mailshake if

  • You need automated email sequences.
  • You work on web.
  • You also want email warmup & verification.
Mailshake 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 Mailshake or Seamless.AI better?
Neither clearly leads. Mailshake starts at $25/month and Seamless.AI at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mailshake or Seamless.AI?
Seamless.AI has a free tier; the other does not. Paid plans start at $25/month for Mailshake and Free for Seamless.AI.
Does Mailshake or Seamless.AI run on more platforms?
Mailshake 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. Mailshake starts at $25/month.
What is Mailshake best used for?
Mailshake is most often used for running cold email outreach campaigns for sales prospecting, automating multi-step follow-up sequences with a/b testing, finding and verifying prospect contact data before outreach, combining email and phone dialing in one outbound workflow. Of those, running cold email outreach campaigns for sales prospecting and automating multi-step follow-up sequences with a/b testing are not what Seamless.AI is typically brought in for.
What can Mailshake do that Seamless.AI cannot?
Mailshake covers Automated Email Sequences, Email Warmup & Verification, Data Finder, Unified Inbox. Seamless.AI covers Contact search, Real-time search engine, Job change alerts, Buyer intent data.

Answered from the vendors’ own pages

Mailshake: How am I charged for Mailshake?

Billing is paid by the team and based on the number of users purchased. Each user allows one connected mail account, so a 3-user plan enables 3 connected mailboxes.

Source
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
Mailshake: Is there a free trial for Mailshake?

No free trial is offered. Instead, Mailshake provides concierge onboarding, deliverability training, and support resources to new customers.

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
Mailshake: Can I cancel my Mailshake subscription at any time?

Yes, subscriptions can be cancelled at any time before the renewal date without additional charges, aside from any outstanding prorated costs.

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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