Retool vs Slack
Retool
AI made building easy. Retool makes it safe
414 employees · est. 2017 · San Francisco, United States
Slack
On a mission to make your working life simpler, more pleasant, and more productive
2626 employees · est. 2009 · San Francisco, United States
Slack is the older company (2017 vs 2009); Slack is the larger of the two.
Side-by-Side Comparison
| Metric | Retool | Slack |
|---|---|---|
| Founded | ||
| Founded | 2017 | 2009 older |
| Headquarters | ||
| Headquarters | San Francisco, United States | San Francisco, United States |
| Employees | ||
| Employees | 414 | 2626 larger |
| Industry | ||
| Industry | Enterprise Software, Productivity | Enterprise Software, Messaging, Productivity |
| Funding Stage | ||
| Funding Stage | Series C | Acquired |
| Total Funding | ||
| Total Funding | $165.28M | $29.22B |
| Funding Rounds | ||
| Funding Rounds | 7 | 14 |
| Services | ||
| Services | AppGen platform, AI primitives, App building and deployment, Governance and security management, Integration with existing data sources | Team Collaboration, AI-Enhanced Productivity, Workflow Automation, CRM and App Integration, Enterprise Security |
| Target Customers | ||
| Target Customers | Enterprises, Financial institutions, Manufacturers, Logistics companies, Startups | Small to Large Enterprises, Cross-Departmental Teams, Industries such as Technology, Media, Manufacturing, Financial Services, Retail, Education, Health and Life Sciences |
| Taxonomy | ||
| Taxonomy | AI-driven DevelopmentLow-code PlatformCustom Business ToolsNo-code DevelopmentDeveloper ToolsData Integration +9 | Productivity PlatformNo-Code AutomationTeam CollaborationEmployee EngagementKnowledge SharingSearch Integration +8 |
| Website | ||
| Website | retool.com | slack.com |
About Retool
Retool, founded in 2017, is an innovative player in the Enterprise Software and Productivity industries, headquartered in the United States. With the slogan, "AI made building easy. Retool makes it safe.", the company is focusing on streamlining and securing app development and deployment. Retool fa...
About Slack
Slack, founded in 2009 and headquartered in the United States, stands as a leading player in the Enterprise Software, Messaging, and Productivity industry sectors. Guided by the slogan, "On a mission to make your working life simpler, more pleasant, and more productive," Slack offers a diverse array...
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Compiled from the BounceWatch company index. We last looked at Retool on 16 Jul 2026, and Slack on 12 Aug 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.