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Communication · head to head

Courier vs LINE WORKS

Courier logo

Courier

Communication

Notification infrastructure API for sending messages across channels

From
Free
Rated
-
Full reviewWebsite
LINE WORKS logo

LINE WORKS

Communication

Business chat built on the LINE interface, aimed at Japanese firms whose staff and customers already use LINE

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.; LINE WORKS the external LINE bridge, which is the main reason to choose it, only matters where LINE has consumer penetration, so buyers outside Japan, Taiwan and Thailand are paying for a feature they cannot use.
  • They diverge on capability: Courier covers Multi-channel sending, LINE WORKS covers External LINE messaging.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Courier and LINE WORKS actually diverge.

Attributes where Courier and LINE WORKS differ
AttributeCourierLINE WORKS
Pricing modelusage-basedPer user per month
Platformsweb, apiWeb, iOS, Android, Windows, macOS

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 Courier

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

Only in LINE WORKS

  • External LINE messaging
  • Chat and channels
  • Voice and video calls
  • Shared address book
  • Calendar and bulletin board
  • Drive
  • Business email
  • Admin controls

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 LINE WORKS
  • Building automated notification journeysnot LINE WORKS
  • Digesting multiple alerts into a single messagenot LINE WORKS
  • Localizing notification content with AI translationnot LINE WORKS

LINE WORKS

  • A Japanese retail or service chain whose customers expect to book and enquire over LINE rather than emailnot Courier
  • A clinic, dealership or estate agency that needs customer conversations on LINE but under corporate retention and auditnot Courier
  • A Japanese SME under 30 staff that wants managed business chat at no licence cost on the free tiernot Courier
  • The Japanese subsidiary of a foreign group that needs a local tool for front-line staff alongside the group standardnot 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.

LINE WORKS

  • The external LINE bridge, which is the main reason to choose it, only matters where LINE has consumer penetration, so buyers outside Japan, Taiwan and Thailand are paying for a feature they cannot use.
  • The free tier caps total storage at 5GB across the whole organisation, not per user, so a team sharing photos or documents exhausts it within weeks and is pushed onto a paid plan.
  • Business email is only on the Advanced plan at 800 yen per user, so an organisation wanting both chat and mail pays nearly double the Standard rate for every seat including staff who only chat.
  • Developer documentation, support and the integration catalogue are strongest in Japanese, which makes it awkward to administer from a non-Japanese IT function.
  • It has no serious developer or engineering workflow story, so organisations that also run Slack or Teams for technical teams end up maintaining two chat systems and two directories.

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

LINE WORKS

Free
  • FreeFree
    • Up to 30 users
    • 5GB total storage
    • Chat, calls, calendar and address book
  • Standard$450/month
    • Unlimited users
    • 1TB shared storage
    • Annual contract price, 540 yen monthly
  • Advanced$800/month
    • Everything in Standard
    • Business email
    • 100TB shared storage

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 LINE WORKS if

  • You need external line messaging.
  • You want to start without paying.
  • You work on Web, iOS, Android, Windows, macOS.
  • You also want chat and channels.
LINE WORKS review

Questions people ask

Is Courier or LINE WORKS better?
Neither clearly leads. Courier starts at Free and LINE WORKS at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Courier or LINE WORKS?
Courier starts at Free and LINE WORKS at Free.
Does Courier or LINE WORKS run on more platforms?
Courier runs on web, api. LINE WORKS runs on Web, iOS, Android, Windows, macOS.
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 LINE WORKS is typically brought in for.
What can Courier do that LINE WORKS cannot?
Courier covers Multi-channel sending, Journeys and broadcasts, Digest and batching, AI translations. LINE WORKS covers External LINE messaging, Chat and channels, Voice and video calls, Shared address book.

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
LINE WORKS: Can LINE WORKS really message ordinary LINE users?

Yes. That is its core differentiator and the reason Japanese customer-facing businesses buy it.

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
LINE WORKS: Is there a free plan?

Yes, up to 30 users with 5GB of total organisation storage.

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
LINE WORKS: Does the Standard plan include email?

No. Business email is Advanced only, at 800 yen per user per month on an annual contract.

LINE WORKS: Is it worth buying outside Japan?

Generally no. Without the consumer LINE bridge it competes poorly against Slack, Teams or Lark on features and ecosystem.

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