Pumble vs Slack
Price, platforms and features side by side. The table says where each price was read and when.
Pumble
Team chat with unlimited message history on the free plan
Slack
Channel-based team messaging with huddles, workflows and AI
Where they differ
- Pumble starts at $2.49 per seat / month, billed annually. Slack starts at $7.25 per user / month, billed annually.
- Slack also covers workflow automation and documents.
At a glance
| Pumble | Slack | |
|---|---|---|
| Pricing | Free plan | Free plan |
| Starts at | $2.49 per seat / month, billed annually | $7.25 per user / month, billed annually |
| Free plan | Unlimited users, channels and message history, 1:1 voice and video meetings, 10 GB of storage per workspace and up to 3 apps and integrations. | 90 days of searchable message history, up to 10 app integrations, and huddles and external Slack Connect messages limited to 1:1. |
| Free trial | 7-day free trial of all paid features, no credit card required | None listed |
| Web | ||
| macOS | ||
| Windows | ||
| Linux | ||
| iOS | ||
| Android | ||
| Made by | CAKE.com Inc. | Slack Technologies, LLC, a Salesforce company |
| Price read from | pumble.com | slack.com |
| Checked | Oct 6, 2026 | Oct 5, 2026 |
Who each one suits
Pumble
- Teams that want a free chat app without a message-history cap
- Companies using Clockify or Plaky, which integrate natively at no cost
- Teams moving from Slack, using the built-in Slack import
- Teams on a budget: paid plans start at $2.49 per seat / month
Slack
- Teams that want conversations organized by channel rather than email threads
- Companies that work with outside partners in shared channels
- Organizations that already run on Salesforce
- Teams that connect many third-party apps to their chat
Worth knowing
Pumble
- The Free plan allows only 1:1 meetings; group meetings and screen sharing start on Pro.
- Guest access, user groups and meeting recordings need the Business plan.
- Single sign-on, data retention settings and the audit log are limited to Enterprise.
- Free workspaces get 10 GB of storage in total and up to 3 apps and integrations beyond Clockify and Plaky.
Slack
- The Free plan keeps only 90 days of message history searchable, allows 10 apps, and limits huddles and Slack Connect to 1:1.
- SAML single sign-on and SCIM start at Business+; ongoing Slackbot access is on Business+ and Enterprise+, with a limited trial on Free and Pro.
- Enterprise search, multiple SAML configurations and native data loss prevention are limited to Enterprise+, which is priced by sales.
- In a browser, huddles are supported only in Chrome and Firefox.
Key features
Pumble
- Channels, threads and direct messages
- Public and private channels, threads for side conversations, and 1-on-1 or group direct messages, with unlimited message history on every plan.
- Voice and video meetings
- 1:1 voice and video meetings are on the free plan. Group meetings start on Pro with up to 50 members and rise to 100 on Business and Enterprise.
- Screen sharing and recordings
- Screen sharing and on-screen annotations come with Pro, and meeting recordings with Business. Meeting links can be sent to people outside the workspace.
- Voice and video messages
- Record a voice or video message for teammates to play later, and schedule written messages to be sent at a chosen time.
- Guest access
- From Business, guests can be limited to chosen channels. Each paid seat includes 5 free single-channel guests; multi-channel guests need their own seat.
- Integrations, API and MCP server
- Apps for Google Calendar, GitHub, Jira, Zapier and others, a public API and SDK for custom apps, and an MCP server for connecting AI agents.
Slack
- Channels and direct messages
- Conversations are organized into channels for each project, topic or team, alongside direct messages. Paid plans keep the full message and file history searchable; Free keeps 90 days.
- Huddles and clips
- Huddles are audio and video meetings with screen sharing, 1:1 on Free and for groups on paid plans. Clips are recorded audio or screen updates shared in a conversation.
- Slack Connect
- Message people outside the company. Free allows 1:1 external direct messages; paid plans add group chats and shared channels with up to 250 organizations.
- Canvases and lists
- A canvas holds text, files, images and video inside Slack, and lists are used to manage projects and organize tasks with teammates.
- Workflow Builder and apps
- Workflow Builder automates routine processes without code, and the app directory lists more than 2,600 apps. A Free workspace can connect up to 10 of them.
- AI in Slack
- Pro includes AI conversation summaries. Business+ adds AI search, daily recaps, file summaries, workflow generation and the Slackbot personal agent, subject to plan limits.
Plans
Pumble
Free$0
Unlimited users and message history, 1:1 voice and video meetings, voice and video messages, 10 GB of storage per workspace and up to 3 integrations.
Pro$2.49
per seat / month, billed annually ($2.99 billed monthly)
Group meetings with up to 50 members, screen sharing with annotations, customizable sidebar sections, 10 GB of storage per seat and up to 10 integrations.
Business$3.99
per seat / month, billed annually ($4.99 billed monthly)
Guest access, permissions, user groups, meeting recordings, meetings with up to 100 members, 20 GB of storage per seat and unlimited integrations.
Enterprise$6.99
per seat / month, billed annually ($7.99 billed monthly)
Single sign-on (SAML2, OAuth2), data retention settings, audit log, full organization analytics and 100 GB of storage per seat.
CAKE.com Bundle$12.99
per seat / month, billed annually ($15.99 billed monthly)
Enterprise features of Pumble together with Clockify time tracking and Plaky project management.
Slack
Free$0
90 days of message history, up to 10 app integrations, and 1:1 huddles and external messages.
Pro$7.25
per user / month, billed annually ($8.75 billed monthly)
Unlimited message history and app integrations, group huddles, Slack Connect channels with up to 250 organizations, and AI conversation summaries.
Business+$15
per user / month, billed annually ($18 billed monthly)
Adds AI search, daily recaps, file summaries and workflow generation, the Slackbot agent, SAML single sign-on and SCIM user management.
Enterprise+Custom
Adds enterprise search across connected apps, multiple SAML configurations, EMM support, native data loss prevention and unlimited workspaces.
Ways to pay less
Pumble
- Annual discount
About 2 months free with annual billing
Pumble's pricing FAQ says paying annually gives roughly 2 months free: Pro is $2.49 per seat / month billed annually against $2.99 billed monthly.
- Other savings
CAKE.com Bundle with Clockify and Plaky
The bundle includes the Enterprise versions of Pumble, Clockify and Plaky for $12.99 per seat / month billed annually, which the vendor states is 53% less than their combined price.
Slack
- Annual discount
About 17% less with annual billing
Pro is $7.25 per user / month paid annually against $8.75 paid monthly, and Business+ is $15 against $18. Salesforce's Slack pricing page puts the saving at approximately 16%.
- Other savings
50% off the first 3 months for new teams
A limited-time offer for teams that buy Pro or Business+ online within 7 days of creating the workspace. It applies to monthly billing only, and standard pricing follows after 3 months.
- Nonprofit
Free or 85% off for eligible nonprofits
Eligible nonprofits get a free Pro upgrade for workspaces with 250 or fewer members and 85% off above that size. Business+ is 85% off at any size.
- Education
85% off for educational institutions
The Slack for Education program gives approved institutions an 85% discount on the Pro or Business+ plan, applied at checkout.

