Stack Internal
7.6#26 in knowledge base softwareFree planFree planWebAPI
VisitStack Internal vs Zendesk Guide
Zendesk Guide
8.6#3 in knowledge base softwareFrom $19 a monthAndroidiOSWebAPI
VisitWhat both publish
| Fact | Stack Internal | Zendesk Guide |
|---|---|---|
| Company founded | Stack Overflow was co-founded by Jeff Atwood and Joel Spolsky in 2008. | LinkedIn lists Zendesk as founded in 2007. |
| Company legal name | Crunchbase identifies the legal entity as Stack Exchange Inc. | The Google Play listing identifies the developer as Zendesk, Inc. |
| Free plan | Yes | No |
| Integrations | Listed integrations include ChatGPT, Claude Code, Confluence, Cursor, Gemini, GitHub, Jira, Notion, OpenAI, ServiceNow, Slack, Microsoft Teams and Google Docs. | Zendesk Marketplace lists more than 1,200 apps, connectors, themes and partners. |
| Rating on G2 | 4.5 out of 5 stars from 793 reviews | 4.3 out of 5 from 7,715 reviews |
Stack Internal plans
- FreeFree
- StarterFree
- OrganizationPriced on request
Zendesk Guide plans
- Support Team$19 a month
- Copilot add-on$50 a month
- Workforce Engagement Bundle add-on$50 a month
- Suite Team$55 a month
- Contact Center add-on$83 a month
- Suite Professional$115 a month
Pick Stack Internal if…
Stack Internal may suit organizations that need shared knowledge for employees and AI agents, with space-based permissions and listed connectors. Starter is aimed at teams of up to three collaborators; Organization supports unlimited collaborators.
Pick Zendesk Guide if…
It suits organizations publishing support or knowledge content for both internal and external readers. Teams needing custom domains, SSO, revision history, and analytics may find its listed capabilities relevant.