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Software · head to head

Reply.io vs Seamless.AI

Reply.io logo

Reply.io

Software

Multichannel sales engagement platform for email, LinkedIn, calls and SMS outreach

From
Free
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

  • Each has a real cost: Reply.io multichannel features and CRM sync require the higher-priced Professional tier or above.; Seamless.AI pro and Enterprise pricing is not published and requires contacting sales.
  • They diverge on capability: Reply.io covers Multichannel sequences, Seamless.AI covers Contact search.

Where they differ

Only the attributes on which Reply.io and Seamless.AI actually diverge.

Attributes where Reply.io and Seamless.AI differ
AttributeReply.ioSeamless.AI
Pricing modelsubscriptionfreemium
Founded2014Unknown

Identical on both: starting price (Free), free tier (Yes), platforms (web, api), 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 Reply.io

  • Multichannel sequences
  • Contact database
  • AI email assistant
  • Deliverability tools
  • CRM sync
  • Reporting and analytics

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.

Reply.io

  • Running multichannel outbound sequences combining email and LinkedInnot Seamless.AI
  • Automating cold calling and SMS follow-ups alongside emailnot Seamless.AI
  • Finding new B2B prospects from a built-in contact databasenot Seamless.AI
  • Syncing outreach activity into an existing CRMnot Seamless.AI

Seamless.AI

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

Where each one falls short

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

Reply.io

  • Multichannel features and CRM sync require the higher-priced Professional tier or above.
  • LinkedIn and calling/SMS automation are billed as separate per-account add-ons on top of plan pricing.
  • Pricing is per user, which can raise costs quickly for larger sales teams.
  • Monthly (non-annual) billing carries a notable price premium over the advertised annual rates.

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

Reply.io

Free
  • FreeFree
    • Limited monthly emails
    • Basic sequence features
  • Starter$49/month
    • Email-only sequences
    • Billed annually per user
  • Professional$89/month
    • Multichannel sequences
    • CRM sync
    • Billed annually per user
  • Ultimate$139/month
    • Full AI suite
    • Highest sending limits
    • Advanced reporting and integrations

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 Reply.io if

  • You need multichannel sequences.
  • You want to start without paying.
  • You work on web, api.
  • You also want contact database.
Reply.io 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 Reply.io or Seamless.AI better?
Neither clearly leads. Reply.io starts at Free and Seamless.AI at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Reply.io or Seamless.AI?
Reply.io starts at Free and Seamless.AI at Free.
Does Reply.io or Seamless.AI run on more platforms?
Both run on web, api, so platform support will not decide this one for you.
Can I use Reply.io for free?
Both have a free tier, so you can try either at no cost before committing.
What is Reply.io best used for?
Reply.io is most often used for running multichannel outbound sequences combining email and linkedin, automating cold calling and sms follow-ups alongside email, finding new b2b prospects from a built-in contact database, syncing outreach activity into an existing crm. Of those, running multichannel outbound sequences combining email and linkedin and automating cold calling and sms follow-ups alongside email are not what Seamless.AI is typically brought in for.
What can Reply.io do that Seamless.AI cannot?
Reply.io covers Multichannel sequences, Contact database, AI email assistant, Deliverability tools. 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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