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Communication · head to head

Novu vs Signal

Novu logo

Novu

Communication

Open-source notification infrastructure for multi-channel messaging

From
Free
Rated
-
Full reviewWebsite
Signal logo

Signal

Communication

Speak Freely

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Novu free plan activity feed retention is limited to 24 hours, restricting how far back teams can debug delivery issues.; 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: Novu covers Multi-channel workflows, Signal covers End-to-end encryption.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Novu and Signal actually diverge.

Attributes where Novu and Signal differ
AttributeNovuSignal
Pricing modelfreemiumfree
Platformsweb, apiWindows, Macos, Linux, Ios, Android
FoundedUnknown2010

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

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 Novu

  • Multi-channel workflows
  • Advanced email editor
  • Activity feed
  • Multi-environment support
  • Role-based access control
  • Self-hosting

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.

Novu

  • Building multi-channel notification workflows for a SaaS productnot Signal
  • Self-hosting notification infrastructure for data controlnot Signal
  • Managing separate notification environments for staging and productionnot Signal
  • Tracking notification delivery history and activitynot Signal

Signal

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

Where each one falls short

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

Novu

  • Free plan activity feed retention is limited to 24 hours, restricting how far back teams can debug delivery issues.
  • Overage on Pro and Team plans is billed at $1.20 per 1,000 additional workflow runs, which can add up at scale.
  • HIPAA BAA compliance and dedicated SSO are Enterprise-only and require custom pricing.

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

Novu

Free
  • FreeFree
    • 10,000 workflow runs/month
    • All channels included
    • Up to 20 workflows
  • Pro$30/month
    • 30,000+ workflow runs/month
    • Advanced email editor
    • Remove Novu branding
  • Team$250/month
    • 250,000+ workflow runs/month
    • Up to 10 environments
    • 90-day activity feed retention

Signal

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

Which should you pick?

Choose Novu if

  • You need multi-channel workflows.
  • You want to start without paying.
  • You work on web, api.
  • You also want advanced email editor.
Novu 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 Novu or Signal better?
Neither clearly leads. Novu 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, Novu or Signal?
Novu starts at Free and Signal at Free.
Does Novu or Signal run on more platforms?
Novu runs on web, api. Signal runs on Windows, Macos, Linux, Ios, Android.
Can I use Novu for free?
Both have a free tier, so you can try either at no cost before committing.
What is Novu best used for?
Novu is most often used for building multi-channel notification workflows for a saas product, self-hosting notification infrastructure for data control, managing separate notification environments for staging and production, tracking notification delivery history and activity. Of those, building multi-channel notification workflows for a saas product and self-hosting notification infrastructure for data control are not what Signal is typically brought in for.
What can Novu do that Signal cannot?
Novu covers Multi-channel workflows, Advanced email editor, Activity feed, Multi-environment support. Signal covers End-to-end encryption, Disappearing messages, Screen security, Group chats.

Answered from the vendors’ own pages

Novu: What does Novu cost?

Novu offers a Free plan for 10,000 workflow runs per month, Pro from $30/month for 30,000+ runs, Team from $250/month for 250,000+ runs, and custom Enterprise pricing for 10M+ runs.

Source
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
Novu: Is there a free plan, and what are its limits?

Yes, the Free plan includes 10,000 workflow runs per month, all messaging channels, up to 20 workflows, 2 environments, and up to 3 team members.

Source
Signal: Does Signal have ads?

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

Source
Novu: How is usage metered?

Billing is based on the number of workflow runs per month rather than per user or per message, with overage on paid plans charged at $1.20 per 1,000 additional runs.

Source
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