Slack, email, Teams, in-app
All customer requests in one place.
AI tools · Company assistants
Plain pricing, use cases, and first steps
Plain is a support tool for companies that sell to other businesses. It handles requests from Slack, email, in-app, and Microsoft Teams. Two AI agents help: Ari answers customers, Sidekick helps the team. It connects to Linear and Jira.
Plain has no free plan. The recommended plan to start with: Foundation, $45 per user per month, billed yearly. Prices checked on October 21, 2026 on the vendor’s official page.
PlainB2B customer support in Slack, email, and Teams, with agents- Vendor
- Plain
- Free plan
- No
- Recommended plan
- Foundation, $45 per user per month, billed yearly
- In the European Union
- Partly available
- Page checked on
- October 21, 2026
What Plain does
Who it’s for: B2B software companies with customers on Slack.
Ari and Sidekick
One agent for customers, another for the team.
Linear and Jira
Link a request to the engineering ticket.
Also
- Help center
Plain pricing
Foundation costs $55 monthly. A startup program is mentioned.
| Plan | Price | Who it’s for |
|---|---|---|
| Foundation Recommended to start | $45 per user per month, billed yearly | Small teams |
| Horizon | $99 per user per month, billed yearly | Growing teams |
| Frontier | Custom pricing | Large organizations |
Nova’s advice
Foundation covers the essentials for a B2B support team.
A first try, in 15 minutes
Your data. The pricing page doesn’t detail hosting. HIPAA is offered on Frontier.
What it does less well
- Built for B2B: not suited to consumers.
- No free plan.
Link a customer request to a bugPlain- Open a request from Slack.
- Create the Linear ticket from Plain.
- The customer is notified when it’s fixed.
- Close the request.
Alternatives to Plain
Intercom (Fin)
Customer service with an AI agent, more consumer-oriented.
Zendesk
General customer service.
Pylon
B2B support on Slack, direct competitor.
Frequently asked questions about Plain
How much does Plain cost?
Foundation: $45 per user per month, billed yearly; Horizon: $99 per user per month, billed yearly; Frontier: custom pricing. Prices checked on October 21, 2026 on the vendor’s official page.
Can you use Plain for free?
No: Plain has no free plan. Foundation covers the essentials for a B2B support team.
What happens to my data with Plain?
The pricing page doesn’t detail hosting. HIPAA is offered on Frontier.
What are the alternatives to Plain?
Intercom (Fin): Customer service with an AI agent, more consumer-oriented. Zendesk: General customer service. Pylon: B2B support on Slack, direct competitor.
Official pages consulted
Page checked on October 21, 2026. Brands are named to identify the tools. No affiliation.