# Plain — pricing, features, and fit

> API-first B2B support with Slack-native workflows, customer cards that render your own product data, and an AI agent (Ari). TestedActually has not published a full verdict on Plain yet — the verified numbers below are the short version.

Human page: https://testedactually.com/b2b-support-desks/plain/
Mirror: https://testedactually.com/b2b-support-desks/plain.md
Updated: 2026-10-09

Product site: https://plain.com

**Plain pricing (every row carries its source)**

| Tier | Price | Verified | Source |
| --- | --- | --- | --- |
| Foundation | $35/mo | 2026-10-09 | [www.plain.com](https://www.plain.com/pricing) |
| Scale | $299/mo | 2026-10-09 | [www.plain.com](https://www.plain.com/pricing) |
| Frontier | $0/mo | 2026-10-09 | [www.plain.com](https://www.plain.com/pricing) |

Appears in:

- [Hub — B2B support desks](/b2b-support-desks/)

## Sources

- https://www.plain.com/pricing — checked 2026-10-09, confidence: documented
- https://www.plain.com/pricing — checked 2026-10-09, confidence: unconfirmed