Softwr

Calendar & Time Management · head to head

Float vs Slack

Float logo

Float

Calendar & Time Management

Resource management for agencies and teams

From
$6/month
Rated
-
Slack logo

Slack

All industries

Where work happens

From
Free
Rated
-

The short version

  • Only Slack has a free tier, so it costs nothing to try first.
  • Each has a real cost: Float web-only platform without native desktop applications; Slack 90-day message history limit on free plan results in important conversations disappearing
  • They diverge on capability: Float covers Resource scheduling, Slack covers Channels.

Where they differ

Only the attributes on which Float and Slack actually diverge.

Attributes where Float and Slack differ
AttributeFloatSlack
Starting price$6/monthFree
Pricing modelsubscriptionUnknown
Free tierNoYes
PlatformsWeb, Ios, AndroidWeb, iOS, Android, macOS, Windows, Linux
CategoryCalendar & Time ManagementAll industries
Founded20112009

Identical on both: 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 Float

  • Resource scheduling
  • Capacity planning
  • Time tracking
  • Project planning
  • Reports
  • Teamwork
  • Slack
  • Zapier

Only in Slack

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

Both cover

  • Asana
  • Jira

What people use each for

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

Float

  • Schedulingnot Slack
  • Appointment bookingnot Slack
  • Time trackingnot Slack
  • Resource managementnot Slack
  • Team coordinationnot Slack

Slack

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

Where each one falls short

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

Float

  • Web-only platform without native desktop applications
  • No offline mode for resource planning
  • Limited reporting customization on lower-tier plans
  • No built-in payroll or invoicing features

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

Float

$6/month
  • Starter$6/month
    • Resource scheduling
    • Time off
    • Basic reports
  • Pro$10/month
    • Time tracking
    • Budget tracking
    • Advanced reports

Slack

Free

No published plan breakdown. See the Slack review.

Which should you pick?

Choose Float if

  • You need resource scheduling.
  • You work on Web, Ios, Android.
  • You also want capacity planning.

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.

Questions people ask

Is Float or Slack better?
Neither clearly leads. Float starts at $6/month and Slack at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Float or Slack?
Slack has a free tier; the other does not. Paid plans start at $6/month for Float and Free for Slack.
Does Float or Slack run on more platforms?
Float runs on Web, Ios, Android. Slack runs on Web, iOS, Android, macOS, Windows, Linux.
Can I use Slack for free?
Yes. Slack has a free tier, so you can try it without paying. Float starts at $6/month.
What is Float best used for?
Float is most often used for scheduling, appointment booking, time tracking, resource management. Of those, scheduling and appointment booking are not what Slack is typically brought in for.
What can Float do that Slack cannot?
Float covers Resource scheduling, Capacity planning, Time tracking, Project planning. Slack covers Channels, Direct messaging, Voice & video calls, Screen sharing. Both handle Asana, Jira.

Answered from the vendors’ own pages

Float: What does Float pricing start at?

Float's Starter plan begins at $7 per user per month for basic resource scheduling and capacity management. The Pro plan costs $12 per user per month with advanced features like estimates and actuals tracking.

Source
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
Float: Is Float independent or backed by investors?

Float is independent and self-funded. The company is a B Corp certified since 2024 and is profitable. It has never raised venture funding and operates with a fully remote team.

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
Float: What platforms does Float support?

Float is a web-based platform accessible through modern browsers. It provides visual resource management, scheduling, capacity planning, time tracking, and forecasting tools.

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

Related pages

Other head to heads