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Sales Enablement · head to head

Common Room vs Twain

Common Room logo

Common Room

Sales Enablement

Customer and community intelligence that stitches scattered person identities into one go-to-market signal feed

From
$2500/month
Rated
-
Full reviewWebsite
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

The short version

  • Only Twain has a free tier, so it costs nothing to try first.
  • Each has a real cost: Common Room the entry plan is 2,500 US dollars a month billed annually, a floor of 30,000 a year, which excludes exactly the early-stage community-led companies whose signal is strongest.; 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.
  • They diverge on capability: Common Room covers Person360 identity resolution, Twain covers Live prospect research.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Common Room and Twain actually diverge.

Attributes where Common Room and Twain differ
AttributeCommon RoomTwain
Starting price$2500/monthFree
Pricing modelPer month by contact volumequote
Free tierNoYes
PlatformsWeb, Chrome extensionWeb

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 Common Room

  • Person360 identity resolution
  • Community source ingestion
  • Signal alerts
  • Account and contact scoring
  • Website deanonymisation
  • RoomieAI research
  • Prospector
  • Intent data

Only in Twain

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

What people use each for

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

Common Room

  • A developer tools company whose GitHub stars and Slack community contain buyers nobody has ever contacted because the handles do not match any CRM recordnot Twain
  • A sales team that wants to be alerted when a former champion changes job to a target account, with the previous relationship attachednot Twain
  • A marketing function trying to prove that community participation precedes pipeline, which requires joining community identity to opportunity datanot Twain
  • A product-led business wanting to route free users who match the enterprise buyer profile to sellers based on both product usage and public activitynot Twain

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 Common Room
  • An agency generating outbound copy for several clients that needs research and drafting metered by volume rather than by seat.not Common Room
  • A revenue operations team wanting to embed personalised copy generation into an existing sequence via API rather than buying a full replacement platform.not Common Room
  • A founder-led sales motion sending low volume but high-effort outreach, where researching each account manually is the actual bottleneck.not Common Room

Where each one falls short

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

Common Room

  • The entry plan is 2,500 US dollars a month billed annually, a floor of 30,000 a year, which excludes exactly the early-stage community-led companies whose signal is strongest.
  • RoomieAI and Prospector run on credit allocations rather than unlimited use, so heavy research months exhaust the budget and the workflow stops until the next cycle or an upgrade.
  • Contact ceilings of 100,000 on Essential are consumed quickly by any sizeable public community, and the overage conversation is an upgrade to a quoted tier rather than an incremental charge.
  • Identity resolution is probabilistic, so wrong merges happen, and a seller who contacts the wrong person with context from someone else does more damage than no alert at all.
  • Signal volume overwhelms teams without a defined qualification rule; most implementations that fail do so because everything became an alert and sellers stopped reading them within a month.

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.

Pricing, plan by plan

Common Room

$2500/month
  • Essential$2500/month
    • 5 seats
    • 100,000 contacts
    • Person360 enrichment and identity resolution
  • Advanced$undefined/year
    • 15 seats
    • 250,000 contacts
    • RoomieAI research, 7,500 credits
  • Enterprise$undefined/year
    • 30 seats
    • 750,000 contacts
    • RoomieAI research, 10,000 credits

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

Which should you pick?

Choose Common Room if

  • You need person360 identity resolution.
  • You work on Web, Chrome extension.
  • You also want community source ingestion.
Common Room review

Choose Twain if

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

Questions people ask

Is Common Room or Twain better?
Neither clearly leads. Common Room starts at $2500/month and Twain at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Common Room or Twain?
Twain has a free tier; the other does not. Paid plans start at $2500/month for Common Room and Free for Twain.
Does Common Room or Twain run on more platforms?
Common Room runs on Web, Chrome extension. Twain runs on Web.
Can I use Twain for free?
Yes. Twain has a free tier, so you can try it without paying. Common Room starts at $2500/month.
What is Common Room best used for?
Common Room is most often used for a developer tools company whose github stars and slack community contain buyers nobody has ever contacted because the handles do not match any crm record, a sales team that wants to be alerted when a former champion changes job to a target account, with the previous relationship attached, a marketing function trying to prove that community participation precedes pipeline, which requires joining community identity to opportunity data, a product-led business wanting to route free users who match the enterprise buyer profile to sellers based on both product usage and public activity. Of those, a developer tools company whose github stars and slack community contain buyers nobody has ever contacted because the handles do not match any crm record and a sales team that wants to be alerted when a former champion changes job to a target account, with the previous relationship attached are not what Twain is typically brought in for.
What can Common Room do that Twain cannot?
Common Room covers Person360 identity resolution, Community source ingestion, Signal alerts, Account and contact scoring. Twain covers Live prospect research, Signal-based copywriting, Persona matching, Bulk generation.

Answered from the vendors’ own pages

Common Room: What does the entry plan actually cost?

2,500 US dollars per month billed annually, for 5 seats and 100,000 contacts. Higher tiers are quoted.

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.

Common Room: Is this only for developer tools companies?

It is strongest where there is a public community to observe. Companies with no community signal get a narrower version of the product and should compare it against ordinary intent data vendors.

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.

Common Room: Does it replace ZoomInfo?

No. It is signal and identity resolution rather than a contact database, though Prospector covers some contact discovery within accounts.

Twain: Can I try it without paying?

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

Common Room: How are AI features metered?

By credits per tier, from 5,000 RoomieAI credits on Essential up to 10,000 on Enterprise, with Prospector credits counted separately.

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.

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