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Software · head to head

Slack vs Subframe

Slack logo

Slack

Software

Where work happens

From
Free
Rated
-
Full reviewWebsite
S

Subframe

Software

The AI-native design tool built for code

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Slack 90-day message history limit on free plan results in important conversations disappearing; Subframe the free plan is capped at 1 project, 10 pages, and 2 prototypes with limited AI usage and only 24 hour version history, versus unlimited AI on the $29 per editor per month Pro plan, as of August 2026.

Where they differ

Only the attributes on which Slack and Subframe actually diverge.

Attributes where Slack and Subframe differ
AttributeSlackSubframe
Pricing modelUnknownfreemium
PlatformsWeb, iOS, Android, macOS, Windows, LinuxWeb
Founded2009Unknown

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

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 Slack

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

Only in Subframe

Nothing recorded that Slack does not also cover.

What people use each for

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

Slack

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

Subframe

No use cases recorded yet. See the Subframe review.

Where each one falls short

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

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

Subframe

  • The free plan is capped at 1 project, 10 pages, and 2 prototypes with limited AI usage and only 24 hour version history, versus unlimited AI on the $29 per editor per month Pro plan, as of August 2026.

Pricing, plan by plan

Slack

Free

No published plan breakdown. See the Slack review.

Subframe

Free

No published plan breakdown. See the Subframe review.

Which should you pick?

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

Choose Subframe if

  • You want to start without paying.
Subframe review

Questions people ask

Is Slack or Subframe better?
Neither clearly leads. Slack starts at Free and Subframe at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Slack or Subframe?
Slack starts at Free and Subframe at Free.
Does Slack or Subframe run on more platforms?
Slack runs on Web, iOS, Android, macOS, Windows, Linux. Subframe runs on Web.
Can I use Slack for free?
Both have a free tier, so you can try either at no cost before committing.
What is Slack best used for?
Slack is most often used for team communication, project coordination, customer support, remote work. Of those, team communication and project coordination are not what Subframe is typically brought in for.
What can Slack do that Subframe cannot?
Slack covers Channels, Direct messaging, Voice & video calls, Screen sharing.

Answered from the vendors’ own pages

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
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
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
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
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Related pages

More on Slack

More on Subframe

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