Comparing Siit and Unthread? Both are Help Desk & Ticketing and Internal IT & Employee Support tools in the directory, which is why buyers put them on the same shortlist. Below is a side-by-side look at how they price, what they integrate with, and when each is the better fit, so you can pick on the facts rather than either vendor's own sales page.
| Attribute | Siit | Unthread |
|---|---|---|
| Pricing | Paid · $23/admin/mo | Paid · $50/agent/mo |
| Founded | 2021 | 2021 |
| Categories | Help Desk & Ticketing Internal IT & Employee Support | B2B & Technical Support Help Desk & Ticketing Internal IT & Employee Support |
| Integrations | Slack Microsoft Teams Notion Confluence Okta Workday Jira Google Workspace | Slack Microsoft Teams Jira Salesforce ServiceNow HubSpot Linear Zendesk |
Siit is an internal helpdesk and ITSM platform aimed squarely at IT and internal operations teams. It handles employee request management across channels, workflow automation spanning IT, HR and finance, asset management, and a service catalog with standardized request types, all sitting on a unified data layer that connects HRIS, MDM and IAM systems. Reporting covers SLA tracking, and the security posture includes SOC 2 Type II, GDPR compliance, SSO and SAML, encryption and role-based access.
Slack is the front door, and Siit documents three distinct ways in: mention @Siit in a public channel, DM Siit directly, or use its actions inside a private message or private channel. Each request gets a thread, and employees add detail simply by replying in it. AI agents answer instantly from knowledge base content in Notion or Confluence, directly in Slack, and Siit posts every meaningful status change back to the same thread so nobody has to open a portal to find out what happened. It is one of the cleaner Slack implementations on this page precisely because the thread stays the unit of work.
Anthony Tobelaim, Dimitri Cabete Jorge and Chalom Malka, all former Aircall employees, founded Siit in Paris in 2021. In November 2024 it raised a $5 million seed round led by StageOne Ventures and Seventure Partners. Its customer list skews toward European technology companies with real scale: Monzo reports a 28 percent deflection rate, Airalo says half its tickets are automated while headcount grew fivefold, and Cresta reports 30 percent automated across a threefold headcount increase. Doctolib, Mistral, Qonto, AngelList, Spendesk, Gorgias, Swile, Mirakl and Unit are also named.
Pricing is published and per-admin rather than per-employee, which keeps it cheap for a small IT team: Essentials at $23 per admin per month billed annually, Standard at $45, Pro at $89, then a custom enterprise tier, with a 14-day free trial. Read the tiers carefully, though. AI agents, AI Assist and AI Triage all sit on Pro, so the AI that makes this worth buying is the $89 tier and not the $23 one. Choose Siit if Slack is where your employees already ask for help and you want a service desk that lives there natively rather than bolting a bot onto a portal. Skip it if you need heavyweight ITIL process, or if you are a Microsoft Teams shop, since the product's documentation and design clearly lead with Slack.
Read the full Siit listing → · See Siit alternatives →
Unthread is an AI-native helpdesk built directly into Slack and Microsoft Teams, and it is one of the few tools in this space that serves internal and external support from the same product: IT, HR onboarding and employee support alongside customer support and RevOps. Intake is genuinely omnichannel (Slack, Teams, email, web chat and API), with a self-learning knowledge base, SLA and SLO tracking, on-call routing, conditional workflow automation, analytics with gap analysis, and more than 100 native integrations.
The Slack mechanics are the most granular of any pick here. Ticket creation is described as Slack-native with zero training: a conversation in a channel becomes a tracked ticket, and an employee who wants privacy DMs the support bot instead. Automations fire on a message, an emoji reaction, or a slash command, and every automation starts and ends in Slack. For drafting, a support agent either reacts to a message with the thinking-face emoji or uses the "Suggest AI Response" shortcut, and the AI returns a human-readable answer plus links to the documentation it drew on. The agentic layer reads incoming tickets, assigns category and priority, answers from connected knowledge bases, updates documentation from resolved tickets, and can run actions before handing off to a person. Unthread claims it deflects 40 percent on day one.
Jake McCloskey and Tom Bachant founded the company in 2021 in New York, went through Y Combinator's Summer 2022 batch, and have raised roughly $3.5 million. The customer list is unusually strong for a company that size: Intuit, Automattic, Lemonade, Cribl, Hopper, xAI, Decagon, Stord, Apollo GraphQL, Incode, thirdweb and Defense Unicorns.
Pricing is published, per agent, with a five-seat minimum and a 14-day trial but no free tier. Basic is $50 per agent per month and caps at 100 conversations a month; Pro at $75 adds the AI automation, self-learning documentation, knowledge base sync, analytics and custom workflows; Enterprise is custom and brings SSO, HRIS integration, HIPAA and BAAs, dedicated hosting and Enterprise Grid support. As with Siit, the AI lives one tier above the entry price. Choose Unthread if Slack is your system of record and you want one helpdesk covering both employees and customers. Skip it if you need a full ITSM platform with asset and change management, which this deliberately is not.
Read the full Unthread listing → · See Unthread alternatives →
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