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Email Marketing · head to head

Listmonk vs Signal

Listmonk logo

Listmonk

Email Marketing

Self-hosted newsletter and mailing list manager that ships as a single Go binary

From
Free
Rated
-
Full reviewWebsite
Signal logo

Signal

Communication

Speak Freely

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Listmonk it is not an email service provider. It hands mail to SMTP servers you configure and does nothing about IP warm-up, domain reputation, DKIM, DMARC or inbox placement, so deliverability failures are entirely yours to diagnose and fix.; Signal signal must be installed on a phone before the desktop app can be used, so there is no phone-free desktop-only account
  • They diverge on capability: Listmonk covers Single binary deployment, Signal covers End-to-end encryption.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Listmonk and Signal actually diverge.

Attributes where Listmonk and Signal differ
AttributeListmonkSignal
Pricing modelOpen source, no licence feefree
PlatformsWeb, Self-hosted, Docker, Linux, macOS, WindowsWindows, Macos, Linux, Ios, Android
CategoryEmail MarketingCommunication
FoundedUnknown2010

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

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 Listmonk

  • Single binary deployment
  • SQL segmentation
  • Multi-SMTP queues
  • Arbitrary subscriber attributes
  • Go templating
  • Transactional API
  • Bounce processing
  • Messenger webhooks

Only in Signal

  • End-to-end encryption
  • Disappearing messages
  • Screen security
  • Group chats
  • Voice calls
  • Video calls
  • File sharing
  • No data collection

What people use each for

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

Listmonk

  • A publisher with hundreds of thousands of subscribers faces a five-figure annual bill from a hosted provider and can send the same volume through Amazon SES for a fraction of it.not Signal
  • A developer wants campaign audiences defined by an arbitrary SQL query against subscriber attributes, which no hosted segment builder will express.not Signal
  • An organisation under privacy or data residency rules needs subscriber data to stay on infrastructure it controls, which rules out every hosted newsletter platform.not Signal
  • An open source project or nonprofit needs a mailing list tool with no per-subscriber cost, where the list will grow faster than any budget for it.not Signal

Signal

  • Private messagingnot Listmonk
  • Secure group communicationnot Listmonk
  • Confidential conversationsnot Listmonk
  • Journalism communicationnot Listmonk
  • Family messagingnot Listmonk

Where each one falls short

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

Listmonk

  • It is not an email service provider. It hands mail to SMTP servers you configure and does nothing about IP warm-up, domain reputation, DKIM, DMARC or inbox placement, so deliverability failures are entirely yours to diagnose and fix.
  • Running it means running PostgreSQL, backups, upgrades and a mail relay, and the true cost is the engineering time to keep that stack healthy rather than the zero licence fee.
  • The campaign editor and analytics are basic next to Mailchimp or Klaviyo: reporting is limited to opens, clicks and bounces, with no revenue attribution, no ecommerce integration and no deep engagement scoring.
  • SQL-based segmentation puts audience definition beyond a non-technical marketer, so a marketing team without engineering support will be blocked on routine tasks.
  • The AGPLv3 licence obliges you to release source modifications if you offer the software as a network service, which is a real constraint for anyone considering embedding it in a commercial product.

Signal

  • Signal must be installed on a phone before the desktop app can be used, so there is no phone-free desktop-only account

Pricing, plan by plan

Listmonk

Free
  • Self-hostedFree
    • Full AGPLv3 source
    • Unlimited subscribers and campaigns
    • No feature gating and no send limits in the software
  • Third-party managed hosting$undefined/month
    • Several unaffiliated providers offer hosted Listmonk
    • No official hosted service from the maintainer
    • Prices vary by provider and are not published centrally

Signal

Free
  • FreeFree
    • End-to-end encrypted messaging
    • Voice and video calls
    • Group chats

Which should you pick?

Choose Listmonk if

  • You need single binary deployment.
  • You want to start without paying.
  • You work on Web, Self-hosted, Docker, Linux, macOS, Windows.
  • You also want sql segmentation.
Listmonk review

Choose Signal if

  • You need end-to-end encryption.
  • You want to start without paying.
  • You work on Windows, Macos, Linux, Ios, Android.
  • You also want disappearing messages.
Signal review

Questions people ask

Is Listmonk or Signal better?
Neither clearly leads. Listmonk starts at Free and Signal at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Listmonk or Signal?
Listmonk starts at Free and Signal at Free.
Does Listmonk or Signal run on more platforms?
Listmonk runs on Web, Self-hosted, Docker, Linux, macOS, Windows. Signal runs on Windows, Macos, Linux, Ios, Android.
Can I use Listmonk for free?
Both have a free tier, so you can try either at no cost before committing.
What is Listmonk best used for?
Listmonk is most often used for a publisher with hundreds of thousands of subscribers faces a five-figure annual bill from a hosted provider and can send the same volume through amazon ses for a fraction of it., a developer wants campaign audiences defined by an arbitrary sql query against subscriber attributes, which no hosted segment builder will express., an organisation under privacy or data residency rules needs subscriber data to stay on infrastructure it controls, which rules out every hosted newsletter platform., an open source project or nonprofit needs a mailing list tool with no per-subscriber cost, where the list will grow faster than any budget for it.. Of those, a publisher with hundreds of thousands of subscribers faces a five-figure annual bill from a hosted provider and can send the same volume through amazon ses for a fraction of it. and a developer wants campaign audiences defined by an arbitrary sql query against subscriber attributes, which no hosted segment builder will express. are not what Signal is typically brought in for.
What can Listmonk do that Signal cannot?
Listmonk covers Single binary deployment, SQL segmentation, Multi-SMTP queues, Arbitrary subscriber attributes. Signal covers End-to-end encryption, Disappearing messages, Screen security, Group chats.

Answered from the vendors’ own pages

Listmonk: Does Listmonk send my emails?

No. It composes, queues and tracks campaigns, then hands the messages to SMTP servers you provide, such as Amazon SES, Postmark or your own relay.

Signal: How much does Signal cost?

Signal is free for everyone. The messaging app is supported by grants and donations, not user fees, and is maintained by an independent nonprofit that is not tied to any major tech companies.

Source
Listmonk: What does it cost to run?

The software is free. The real cost is a small server, a PostgreSQL database and per-email SMTP charges, which through SES are a fraction of hosted newsletter pricing at large list sizes.

Signal: Does Signal have ads?

No. Signal is ad-free and does not collect advertising revenue.

Source
Listmonk: What licence is it under?

AGPLv3, which requires you to publish modifications if you offer it as a network service to others.

Listmonk: Is there an official hosted version?

No. Some unaffiliated providers offer managed Listmonk, but the maintainer does not run a hosted service.

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