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Sales Enablement · head to head

Twain vs Warmly

Twain logo

Twain

Sales Enablement

A go-to-market research agent that writes signal-based outreach, priced per lead researched

From
Free
Rated
-
Full reviewWebsite
Warmly logo

Warmly

Sales Enablement

Identifies website visitors and acts on them automatically, priced by credits from 10,000 USD a year

From
$10000/year
Rated
-
Full reviewWebsite

The short version

  • Only Twain has a free tier, so it costs nothing to try first.
  • Each has a real cost: Twain twain researches and writes but does not send, so a sequencer subscription and, in most cases, a data vendor sit on top of the reported $185 a month, and the total stack cost is what you should be comparing.; Warmly individual-level identification matches only around 10 to 25 per cent of visitors, so 75 to 90 per cent of what you receive is company-level only and still requires a contact-research step, which is materially weaker than the automation narrative implies.
  • They diverge on capability: Twain covers Live prospect research, Warmly covers Website de-anonymisation.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Twain and Warmly actually diverge.

Attributes where Twain and Warmly differ
AttributeTwainWarmly
Starting priceFree$10000/year
Pricing modelquotePer year by credit volume
Free tierYesNo
PlatformsWebWeb, API

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

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 Twain

  • Live prospect research
  • Signal-based copywriting
  • Persona matching
  • Bulk generation
  • API-first access
  • CRM sync
  • Campaign and persona library
  • Credit metering

Only in Warmly

  • Website de-anonymisation
  • Real-time alerts
  • AI Inbound Autopilot
  • Inbound chat
  • CRM relationship check
  • Intent signal aggregation
  • Automated sequences
  • Meeting routing

What people use each for

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

Twain

  • A team running lemlist or Outreach that wants each prospect researched and the first line written without adding another interface to the rep workflow.not Warmly
  • An agency generating outbound copy for several clients that needs research and drafting metered by volume rather than by seat.not Warmly
  • A revenue operations team wanting to embed personalised copy generation into an existing sequence via API rather than buying a full replacement platform.not Warmly
  • A founder-led sales motion sending low volume but high-effort outreach, where researching each account manually is the actual bottleneck.not Warmly

Warmly

  • A B2B software company with several thousand monthly visitors and a sales team that will act on an alert within ten minutes of a target account landing on the pricing pagenot Twain
  • A revenue team that wants inbound chat to qualify and book meetings out of hours without hiring an offshore SDR shiftnot Twain
  • An account-based marketing programme that needs to know which target accounts are researching before any form is fillednot Twain
  • A sales leader who wants to surface existing relationships inside the company with a visiting account rather than starting coldnot Twain

Where each one falls short

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

Twain

  • Twain researches and writes but does not send, so a sequencer subscription and, in most cases, a data vendor sit on top of the reported $185 a month, and the total stack cost is what you should be comparing.
  • Credits are consumed per lead researched rather than per usable email produced, so a poor list burns credits and returns nothing, transferring the cost of list hygiene entirely to you.
  • Reviewers report generic and insufficiently industry-specific output, along with generated wording they would never use, and there is no blanket blocklist or banned-words control, which is a blocker for brand-sensitive or regulated senders.
  • Persona management scales badly: reviewers report having to re-import all company data every time a new persona is added, which is painful for agencies and multi-product teams.
  • The company has publicly disclosed only a 2.5 million euro pre-seed from May 2022 and has since executed a full product pivot, so the risk of another pivot or a shutdown mid-contract is elevated; avoid annual prepayment and deep API coupling without an export route.
  • Integration and documentation surface is thin after the pivot: the legacy connector list is not confirmed on the current site, and for a product marketed as API-first the developer documentation is a genuine gap.
  • Pricing figures load client-side and are largely third-party sourced, and there is effectively one paid plan rather than a tier ladder, so budgeting requires an in-app check rather than a published page.

Warmly

  • Individual-level identification matches only around 10 to 25 per cent of visitors, so 75 to 90 per cent of what you receive is company-level only and still requires a contact-research step, which is materially weaker than the automation narrative implies.
  • The published annual figures start at 10,000 credits a month, and credit consumption scales with traffic volume, so a high-traffic site will exceed its allowance and the advertised price becomes a floor rather than a cost.
  • Individual-level de-anonymisation of EU visitors carries GDPR consent obligations that sit with you as data controller, not with Warmly, so deploying it on European traffic requires a privacy review and cookie consent design that most buyers do not budget for.
  • Match rates are eroding structurally as VPN use, browser privacy defaults and tracking restrictions spread, so the value delivered in year three of a contract will be lower than in year one for the same price.
  • Reviewers consistently report the analytics layer lacks depth for custom funnel reporting, attribution or cohort analysis, so teams that want to prove the tool paid for itself end up exporting to a warehouse to do it.

Pricing, plan by plan

Twain

Free
  • FreeFree
    • 500 contacts researched
    • No card required
    • Shared credit pool
  • Subscription$undefined/month
    • Credits sized to expected lead volume, reported from around $185 for 1,000 leads
    • Team seats included at no extra cost
    • Credits roll over for two months on an active subscription
  • Pay as you go$undefined/month
    • Credit packs bought without subscription, reported from around $30 for 100 credits
    • No monthly commitment
    • Same research and generation features

Warmly

$10000/year
  • AI Web-Deanonymization$10000/year
    • Website visitor identification
    • From 10,000 credits per month
    • Real-time Slack alerts
  • Inbound Chat$20000/year
    • Everything in Web-Deanonymization
    • AI website chat
    • Meeting routing
  • AI Inbound Autopilot$30000/year
    • Everything in Inbound Chat
    • Unlimited AI agents
    • Autonomous outreach
  • GTM Signals Package$10000/year
    • Job change signals
    • Third-party research intent
    • Additional signal sources

Which should you pick?

Choose Twain if

  • You need live prospect research.
  • You want to start without paying.
  • You also want signal-based copywriting.
Twain review

Choose Warmly if

  • You need website de-anonymisation.
  • You work on Web, API.
  • You also want real-time alerts.
Warmly review

Questions people ask

Is Twain or Warmly better?
Neither clearly leads. Twain starts at Free and Warmly at $10000/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Twain or Warmly?
Twain has a free tier; the other does not. Paid plans start at Free for Twain and $10000/year for Warmly.
Does Twain or Warmly run on more platforms?
Twain runs on Web. Warmly runs on Web, API.
Can I use Twain for free?
Yes. Twain has a free tier, so you can try it without paying. Warmly starts at $10000/year.
What is Twain best used for?
Twain is most often used for a team running lemlist or outreach that wants each prospect researched and the first line written without adding another interface to the rep workflow., an agency generating outbound copy for several clients that needs research and drafting metered by volume rather than by seat., a revenue operations team wanting to embed personalised copy generation into an existing sequence via api rather than buying a full replacement platform., a founder-led sales motion sending low volume but high-effort outreach, where researching each account manually is the actual bottleneck.. Of those, a team running lemlist or outreach that wants each prospect researched and the first line written without adding another interface to the rep workflow. and an agency generating outbound copy for several clients that needs research and drafting metered by volume rather than by seat. are not what Warmly is typically brought in for.
What can Twain do that Warmly cannot?
Twain covers Live prospect research, Signal-based copywriting, Persona matching, Bulk generation. Warmly covers Website de-anonymisation, Real-time alerts, AI Inbound Autopilot, Inbound chat.

Answered from the vendors’ own pages

Twain: Is this the email critique tool from a few years ago?

No. Twain pivoted. The $19 a month email scoring assistant is gone. The current product is a research agent that generates outreach, priced per lead researched.

Warmly: What match rate should I actually expect?

Company-level identification is reasonably reliable, but individual-level identification lands around 10 to 25 per cent of visitors, so plan for most results to be account-level.

Twain: Does Twain send the emails?

No. It researches and writes. You still need a sequencer, and Twain is designed to plug into one via API.

Warmly: How much does it cost?

Published annual prices are 10,000 USD for AI Web-Deanonymization, 20,000 for Inbound Chat and 30,000 for AI Inbound Autopilot, each starting at 10,000 credits a month, with quarterly options available.

Twain: Can I try it without paying?

Yes. The free tier covers 500 contacts with no card required.

Warmly: Can I use it on European traffic?

Technically yes, but individual-level identification of EU visitors triggers GDPR obligations that fall on you as controller, so it requires a legal basis and consent design before deployment.

Twain: Who does it compete with now?

Clay, Coldreach and Unify, not Lavender or Regie. The pivot moved it into a different category and a different budget line.

Warmly: Is there a free or SMB tier?

Not meaningfully. The commercial model starts at a five-figure annual commitment, which rules out most small businesses.

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