Softwr

Communication · head to head

Courier vs Shortwave

Courier logo

Courier

Communication

Notification infrastructure API for sending messages across channels

From
Free
Rated
-
Full reviewWebsite
Shortwave logo

Shortwave

Email Marketing

AI-powered email assistant for intelligent inbox management

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Courier enterprise-only features like RBAC and EU data residency require a custom sales conversation rather than a published plan.; Shortwave per-seat pricing increases team costs compared to flat-rate email solutions
  • They diverge on capability: Courier covers Multi-channel sending, Shortwave covers AI Email Filtering.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Courier and Shortwave actually diverge.

Attributes where Courier and Shortwave differ
AttributeCourierShortwave
Pricing modelusage-basedUnknown
Platformsweb, apiiOS, Android, macOS, Windows
CategoryCommunicationEmail Marketing

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 Courier

  • Multi-channel sending
  • Journeys and broadcasts
  • Digest and batching
  • AI translations
  • MCP server and CLI
  • Role-based access control

Only in Shortwave

  • AI Email Filtering
  • Intelligent Autocomplete
  • Voice-Style Composition
  • Meeting Scheduling
  • Email-to-Todo Conversion
  • AI-Powered Search
  • Team Collaboration
  • Email Summaries

What people use each for

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

Courier

  • Sending notifications across email, SMS, and push from one APInot Shortwave
  • Building automated notification journeysnot Shortwave
  • Digesting multiple alerts into a single messagenot Shortwave
  • Localizing notification content with AI translationnot Shortwave

Shortwave

  • Reducing inbox overload through AI-powered organizationnot Courier
  • Drafting professional emails using natural languagenot Courier
  • Scheduling meetings without back-and-forth coordinationnot Courier
  • Searching email archives using conversational queriesnot Courier
  • Converting emails to tasks for team task trackingnot Courier

Where each one falls short

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

Courier

  • Enterprise-only features like RBAC and EU data residency require a custom sales conversation rather than a published plan.
  • Pay-as-you-go per-send pricing on Business can become costly at very high volume compared to flat committed pricing elsewhere.
  • The free Developer tier is capped at 10,000 sends per month, which is limiting for growing production apps.

Shortwave

  • Per-seat pricing increases team costs compared to flat-rate email solutions
  • AI features may require higher tier plans, limiting value for smaller teams
  • Dependency on third-party integrations for full feature depth
  • Learning curve for effective use of AI-powered features
  • Limited customization for AI filter behavior compared to manual rules

Pricing, plan by plan

Courier

Free
  • DeveloperFree
    • 10,000 sends/month
    • Journeys and broadcasts
    • MCP server, CLI, and SDKs
  • Business$undefined/month
    • $0.005 per send pay-as-you-go
    • AI translations
    • AI agent node
  • Enterprise$undefined/month
    • Volume discounts
    • Dedicated Slack channel
    • Role-based access control

Shortwave

Free
  • FreeFree
    • Email search and organization
    • Basic inbox tools
    • Limited AI features
  • Business$30/month
    • Full standard search history
    • 5 years AI search history
    • Max 50 threads per AI search
  • Premier$45/month
    • Everything in Business
    • 2x more AI usage
    • Unlimited AI search history
  • Max$120/month
    • Everything in Premier
    • 6x more AI usage
    • Max 150 threads per AI search

Which should you pick?

Choose Courier if

  • You need multi-channel sending.
  • You want to start without paying.
  • You work on web, api.
  • You also want journeys and broadcasts.
Courier review

Choose Shortwave if

  • You need ai email filtering.
  • You want to start without paying.
  • You work on iOS, Android, macOS, Windows.
  • You also want intelligent autocomplete.
Shortwave review

Questions people ask

Is Courier or Shortwave better?
Neither clearly leads. Courier starts at Free and Shortwave at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Courier or Shortwave?
Courier starts at Free and Shortwave at Free.
Does Courier or Shortwave run on more platforms?
Courier runs on web, api. Shortwave runs on iOS, Android, macOS, Windows.
Can I use Courier for free?
Both have a free tier, so you can try either at no cost before committing.
What is Courier best used for?
Courier is most often used for sending notifications across email, sms, and push from one api, building automated notification journeys, digesting multiple alerts into a single message, localizing notification content with ai translation. Of those, sending notifications across email, sms, and push from one api and building automated notification journeys are not what Shortwave is typically brought in for.
What can Courier do that Shortwave cannot?
Courier covers Multi-channel sending, Journeys and broadcasts, Digest and batching, AI translations. Shortwave covers AI Email Filtering, Intelligent Autocomplete, Voice-Style Composition, Meeting Scheduling.

Answered from the vendors’ own pages

Courier: What does Courier cost?

Courier has three plans: Developer is free for 10,000 sends per month, Business is pay-as-you-go at $0.005 per send, and Enterprise is custom-priced with volume discounts.

Source
Shortwave: Is there a free trial for Shortwave?

Yes, Shortwave offers a 14-day free trial for all paid plans with no credit card required.

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

Yes, the Developer plan is free and includes 10,000 notification sends per month along with journeys, broadcasts, the MCP server, CLI, SDKs, and email support.

Source
Shortwave: What platforms does Shortwave support?

Shortwave is available on iOS, Android, macOS, and Windows for full cross-platform email management.

Source
Courier: How is usage metered?

Courier bills based on the number of notifications sent, not on team size or number of channels used, with Business plan sends charged at $0.005 each.

Source
Shortwave: How much AI usage do I get per plan?

Business plan includes 3 AI-powered filters and standard AI usage. Premier (2x more AI) and Max (6x more AI) plans provide increasing levels of AI feature access.

Source
Shortwave: What integrations does Shortwave support?

Shortwave integrates with Slack, Calendar, Notion, Asana, HubSpot, and 3,000+ apps via Tasklet.

Source
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