CRM & Sales · head to head
Capsule vs Slack
The short version
- Only Slack has a free tier, so it costs nothing to try first.
- Each has a real cost: Capsule the free plan is capped at 2 users, 250 contacts, 5 custom fields and a single pipeline; Slack 90-day message history limit on free plan results in important conversations disappearing
- They diverge on capability: Capsule covers Contact management, Slack covers Channels.
Where they differ
Only the attributes on which Capsule 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 Capsule
- Contact management
- Deal tracking
- Task management
- Email sync
- Activity timeline
- Slack
- Zapier
- Google Apps
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.
Capsule
- Simple contact and pipeline CRM for a small teamnot Slack
- Tracking deals and follow-up tasksnot Slack
- Linking emails and notes to contact recordsnot Slack
- Multiple sales pipelines on the paid tiersnot Slack
Slack
- Team communicationnot Capsule
- Project coordinationnot Capsule
- Customer supportnot Capsule
- Remote worknot Capsule
- Cross-functional collaborationnot Capsule
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Capsule
- The free plan is capped at 2 users, 250 contacts, 5 custom fields and a single pipeline
- Contact ceilings gate every tier, from 30,000 on Starter to 120,000 on Advanced
- Per-user prices are not shown as figures on the pricing page, only as tier names
- Ultimate is quote-only
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
Capsule
$19/month- Starter$19/month
- Contact management
- Task tracking
- Professional$39/month
- Everything in Starter
- Pipeline management
- Reporting
- Enterprise$99/month
- Everything in Professional
- Custom fields
- API access
Slack
FreeNo published plan breakdown. See the Slack review.
Which should you pick?
Choose Capsule if
- You need contact management.
- You work on Web, Ios, Android.
- You also want deal tracking.
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 Capsule or Slack better?
- Neither clearly leads. Capsule starts at $19/month and Slack at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Capsule or Slack?
- Slack has a free tier; the other does not. Paid plans start at $19/month for Capsule and Free for Slack.
- Does Capsule or Slack run on more platforms?
- Capsule 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. Capsule starts at $19/month.
- What is Capsule best used for?
- Capsule is most often used for simple contact and pipeline crm for a small team, tracking deals and follow-up tasks, linking emails and notes to contact records, multiple sales pipelines on the paid tiers. Of those, simple contact and pipeline crm for a small team and tracking deals and follow-up tasks are not what Slack is typically brought in for.
- What can Capsule do that Slack cannot?
- Capsule covers Contact management, Deal tracking, Task management, Email sync. 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.
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.
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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- Capsule vs HubSpot
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- Capsule vs Bitrix24
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- Capsule vs Clay
- Capsule vs Clearbit
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- Capsule vs RingCentral Video
- Capsule vs Telegram
- Capsule vs Webex by Cisco
- Capsule vs Chanty
- Capsule vs Chatwork
- Capsule vs Flock
- Capsule vs Google Chat
- Capsule vs Grasshopper
- Capsule vs Lark
- Capsule vs Mattermost
- Capsule vs Quo
- Capsule vs Rocket.Chat
- Capsule vs Signal
- Capsule vs TeamViewer
- Capsule vs Textline
- Slack vs Outreach
- Slack vs Gong
- Slack vs Seismic
- Slack vs Pipedrive
- Slack vs HubSpot
- Slack vs Salesforce
- Slack vs Bitrix24
- Slack vs Clari
- Slack vs Freshsales
- Slack vs Streak
- Slack vs Zoho CRM
- Slack vs Affinity
- Slack vs Agile CRM
- Slack vs Apollo.io
- Slack vs Capsule CRM
- Slack vs Clay
- Slack vs Clearbit
- Slack vs Cloze
- 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


