Pumble vs Slack

Pick up to 4 tools and see their free plans, entry prices, platforms and limits in one table. Every fact comes from each vendor's own pages, checked 7 November 2026.

Compared on	Pumble Free plan · from $2.49/seat/mo Visit Remove	Slack Free plan · from $7.25/user/mo Visit Remove
What it is	Team chat with a free plan that keeps unlimited users and message history	Team messaging built around channels, with huddles, canvases and workflow automation
Free plan	Free plan: unlimited users and unlimited message history, 10 GB total storage per workspace, 1:1 voice and video meetings	Free plan keeps 90 days of message history, allows up to 10 app integrations, and limits huddles and Slack Connect external messages to 1:1
Cheapest paid plan	$2.49/seat/mo billed annually (Pro)Pumble pricing	$7.25/user/mo billed annually (Pro)Slack pricing
What it covers	Prices shown for the United States and exclude tax; they are localized by region.	List prices. Slack also lists a 50% promotional price for the first 3 months on monthly Pro billing for teams that buy online within 7 days of creating the workspace. Members active in a 28-day period are billed.
Free trial	7-day trial with all features, no credit card required	None stated
Platforms	Web, Windows, Mac, Linux, iOS, Android	Web, Windows, Mac, iOS, Android
Integrations (vendor's figure)	Not stated	Over 2,600 apps in the Slack Marketplace
Open source	No	No
Good for	Small teams that want a free chat tool without a user or history cap Teams already using Clockify or Plaky from the same company Organizations looking for low per-seat paid pricing	Teams that want channel-based conversation with a large set of connected apps Companies that need to message people at other organizations through Slack Connect Workspaces that want to automate approvals and routine requests without code
Watch out for	Free plan storage is 10 GB per workspace and calls are 1:1 The pricing page does not state a group call participant limit for the Free plan A smaller integrations list than larger chat tools; the home page highlights Clockify, Plaky and Google Drive	The Free plan keeps only 90 days of message history and 10 apps Group huddles and group external messages need a paid plan Single sign-on needs Business+ and above
Made by	CAKE.com	Slack Technologies (Salesforce)

Entry prices are the cheapest paid plan, as each vendor publishes it; “What it covers” says what that price is per (a user, a channel, a brand, a number of contacts). The sources are listed on each tool's page.

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Every tool in team chat apps is on its category page, with the written head-to-heads on Compare.