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Technology · head to head

Height vs Slack

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
Slack logo

Slack

Communication

Where work happens

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.; Slack 90-day message history limit on free plan results in important conversations disappearing
  • They diverge on capability: Height covers Autonomous triage, Slack covers Channels.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Height and Slack actually diverge.

Attributes where Height and Slack differ
AttributeHeightSlack
PlatformsWebWeb, iOS, Android, macOS, Windows, Linux
CategoryTechnologyCommunication
Founded20182009

Identical on both: starting price (Free), pricing model (Unknown), 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 Slack

  • Channels
  • Direct messaging
  • Voice & video calls
  • Screen sharing
  • File sharing
  • Search
  • Workflow builder
  • Slack Connect

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 Slack
  • Teams leaving Jira because its configuration and administration cost more attention than the tracking is worthnot Slack
  • A support or intake queue where incoming requests need categorising and deduplicating before anyone can plan themnot Slack
  • Startups that want tasks, chat and progress tracking in one tool rather than stitching a tracker to a chat appnot Slack

Slack

  • Team communicationnot Height
  • Project coordinationnot Height
  • Customer supportnot Height
  • Remote worknot Height
  • Cross-functional collaborationnot 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.

Slack

  • 90-day message history limit on free plan results in important conversations disappearing
  • Per-user pricing becomes expensive quickly for larger teams
  • Notification overload with 78% of employees feeling overwhelmed by notifications
  • Mobile app performance issues including lag and slow syncing
  • Huddles limited to 50 people and cannot be recorded
  • Requires dedicated video conferencing service for formal meetings and webinars

Pricing, plan by plan

Height

Free

No published plan breakdown. See the Height review.

Slack

Free

No published plan breakdown. See the Slack review.

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 Slack if

  • You need channels.
  • You want to start without paying.
  • You work on Web, iOS, Android, macOS, Windows, Linux.
  • You also want direct messaging.
Slack review

Questions people ask

Is Height or Slack better?
Neither clearly leads. Height starts at Free and Slack at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Height or Slack?
Height starts at Free and Slack at Free.
Does Height or Slack run on more platforms?
Height runs on Web. Slack runs on Web, iOS, Android, macOS, Windows, Linux.
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 Slack is typically brought in for.
What can Height do that Slack cannot?
Height covers Autonomous triage, Duplicate detection, Attribute maintenance, Per-task chat. Slack covers Channels, Direct messaging, Voice & video calls, Screen sharing.

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.

Slack: Does Slack have a free plan?

Yes, Slack offers a free plan indefinitely with no credit card required. Free users get 90-day message history, up to 10 app integrations, and 1:1 huddles.

Source
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.

Slack: What are Slack's pricing plans?

Slack offers Free, Pro ($7.25/user/month with annual billing), Business+ ($12.50/user/month), and Enterprise Grid (custom pricing). Monthly billing costs approximately 20% more than annual.

Source
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.

Slack: Does Slack support offline use?

Slack is a cloud-based platform and does not support robust offline work. Internet connectivity is required to access messages and collaborate.

Source
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.

Slack: What integrations does Slack support?

Slack integrates with 43+ apps on average per team, including Google Drive, ChatGPT, Vercel, Asana, GitHub, and many others through their app marketplace.

Source
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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