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Technology · head to head

Height vs LINE WORKS

H

Height

Technology

A project management tool from a small independent vendor that uses AI agents to handle routine ticket maintenance.

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: Height it is one product from one small venture-funded company with no second line of business underwriting it, so adopting it as your system of record is a bet on that company's funding, and the tool holds work history you would have to reconstruct elsewhere if the bet fails.; 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: Height covers Autonomous triage, 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 Height and LINE WORKS actually diverge.

Attributes where Height and LINE WORKS differ
AttributeHeightLINE WORKS
Pricing modelUnknownPer user per month
PlatformsWebWeb, iOS, Android, Windows, macOS
CategoryTechnologyCommunication
Founded2018Unknown

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 Height

  • Autonomous triage
  • Duplicate detection
  • Attribute maintenance
  • Per-task chat
  • Multiple views
  • Developer integrations
  • Custom fields and filters
  • Public API

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.

Height

  • A product or engineering team with no dedicated project manager, where backlog upkeep currently falls on whoever has timenot LINE WORKS
  • Teams leaving Jira because its configuration and administration cost more attention than the tracking is worthnot LINE WORKS
  • A support or intake queue where incoming requests need categorising and deduplicating before anyone can plan themnot LINE WORKS
  • Startups that want tasks, chat and progress tracking in one tool rather than stitching a tracker to a chat appnot LINE WORKS

LINE WORKS

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

Where each one falls short

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

Height

  • It is one product from one small venture-funded company with no second line of business underwriting it, so adopting it as your system of record is a bet on that company's funding, and the tool holds work history you would have to reconstruct elsewhere if the bet fails.
  • The 2024 relaunch as Height 2.0 reoriented the product around AI agents and changed workflows customers had already built on, which is the clearest available evidence of how much the product may be re-shaped again under you.
  • The ecosystem is small next to Jira, Linear and Asana: fewer third-party integrations, no consultancy market, and far less written material to search when something behaves unexpectedly, so support questions go to the vendor and wait.
  • The automation only pays off if tasks contain enough substance for a model to work with; on a team whose tickets are two-word titles, the agents have nothing to triage or deduplicate and the product reduces to an ordinary tracker at a premium.
  • Task content is processed by hosted large language models, so a security review becomes a question about subprocessors and data handling, and there is no self-hosted or on-premises deployment to fall back on if the answer is unacceptable.
  • There is no widely used two-way synchronisation with Jira, so an organisation where one team adopts Height and the rest stay on Jira ends up with two systems of record and manual reconciliation between them.

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

Height

Free

No published plan breakdown. See the Height review.

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 Height if

  • You need autonomous triage.
  • You want to start without paying.
  • You also want duplicate detection.
Height 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 Height or LINE WORKS better?
Neither clearly leads. Height 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, Height or LINE WORKS?
Height starts at Free and LINE WORKS at Free.
Does Height or LINE WORKS run on more platforms?
Height runs on Web. LINE WORKS runs on Web, iOS, Android, Windows, macOS.
Can I use Height for free?
Both have a free tier, so you can try either at no cost before committing.
What is Height best used for?
Height is most often used for a product or engineering team with no dedicated project manager, where backlog upkeep currently falls on whoever has time, teams leaving jira because its configuration and administration cost more attention than the tracking is worth, a support or intake queue where incoming requests need categorising and deduplicating before anyone can plan them, startups that want tasks, chat and progress tracking in one tool rather than stitching a tracker to a chat app. Of those, a product or engineering team with no dedicated project manager, where backlog upkeep currently falls on whoever has time and teams leaving jira because its configuration and administration cost more attention than the tracking is worth are not what LINE WORKS is typically brought in for.
What can Height do that LINE WORKS cannot?
Height covers Autonomous triage, Duplicate detection, Attribute maintenance, Per-task chat. LINE WORKS covers External LINE messaging, Chat and channels, Voice and video calls, Shared address book.

Answered from the vendors’ own pages

Height: How is this different from Jira automation?

Jira automation is rule-based: you define a trigger and an action. Height's agents read the content of tasks and act on judgement, such as recognising that two tickets describe the same bug, which no rule can express.

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.

Height: Can we self-host it?

No. It is software as a service only, with no on-premises or private-cloud deployment. If your requirements rule out a hosted tracker, this is not a candidate.

LINE WORKS: Is there a free plan?

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

Height: What happens to our data if the company fails?

You would need an export and a migration to another tool. This is the standard risk with a single-product startup, and it is worth confirming the export path covers task history, comments and custom fields before committing to it.

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.

Height: Does it work for non-engineering teams?

Yes, the views and custom fields are generic enough for marketing, operations or support queues. Its integrations, though, are aimed at software teams, so a non-engineering team gets less of the surrounding value.

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.

Height: Do the AI features need our tickets to be well written?

In practice, yes. Triage, deduplication and attribute maintenance work from what is written in the task, so the return is much higher on a team that already writes descriptive tickets than on one that does not.

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