Calendar & Time Management · head to head
Float vs Slack

Float
Calendar & Time Management
Resource management for agencies and teams
- From
- $6/month
- 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.
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
FreeNo 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.
SourceSlack: 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.
SourceFloat: 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.
SourceSlack: 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.
SourceFloat: 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.
SourceSlack: 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.
SourceSlack: 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.
SourceRelated pages
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- Slack vs Google Calendar
- Slack vs Apple Calendar
- Slack vs Fantastical
- Slack vs Clockify
- Slack vs Microsoft To Do
- Slack vs OmniFocus
- Slack vs Amie
- Slack vs Outlook Calendar
- Slack vs Google Tasks
- Slack vs YouCanBook.me
- Slack vs Cron Calendar
- Slack vs Harvest Forecast
- Slack vs Resource Guru
- Slack vs SavvyCal
- Slack vs Skedda
- Slack vs Timepage
- Slack vs Woven
- Slack vs Assistant.to
- Slack vs Zoom
- Slack vs Microsoft Teams
- Slack vs Loom
- Slack vs RingCentral Video
- Slack vs Telegram
- Slack vs Webex by Cisco
- Slack vs Chanty
- Slack vs Chatwork
- Slack vs Flock
- Slack vs Google Chat
- Slack vs Grasshopper
- Slack vs Lark
- Slack vs Mattermost
- Slack vs Quo
- Slack vs Rocket.Chat
- Slack vs Signal
- Slack vs TeamViewer
- Slack vs Textline

