London, UK-based AI-powered customer support platform founded in 2020. Private. Operates in B2B customer support and service automation market. Serves businesses with collaborative support tools, API-first architecture, and AI-powered ticket management.
Pricing Change History
8 changesMachine users removed from the Extensibility section of the feature comparison table across all plans.
AI billing shifted from per-resolution (50/250/Custom + $100/100 add-on) to credits: Foundation 2,000/mo, Horizon 15,000/mo, Frontier custom. Credits now displayed in plan cards. Foundation increased $35→$199/month (add-on seat $35→$67); Horizon increased $269→$299/month (add-on seat $89→$99). All plans billed yearly.
Discord channels removed from Horizon plan and moved to Frontier plan only, making it a higher-tier exclusive feature.
Free trial period reduced from 14 days to 7 days across all plans.
Removed 'Bring your own BI tool' integration capability from Reporting section
Research Plain's pricing with the Pulse Agent
Ask anything about Plain's plans, packaging shifts, and how it compares across the market — answered live from verified data.
Ask the agentCurrent plans
Captured| Plan | Price |
|---|---|
| Foundation | $45 /seat/mobilled annually |
| |
| Horizon | $99 /seat/mobilled annually |
| Frontier | Contact |
All plans
- Startup up to 50% off
Stacking not stated by Plain.
Company Facts
How Plain compares with its peers
| Company | Entry price | Last change |
|---|---|---|
S Stripe![]() | 1.5% surcharge for international cards + $0.3 per successful transaction | Oct 19, 2026 |
W Wisestep![]() | $25 /mo, billed annually | — |
R Revolut![]() | SEK 44.99 /mo | Jul 4, 2026 |
S Squarespace![]() | $19 /mo, billed annually | Aug 11, 2026 |
P PayPal![]() | CAD 25 /mo + usage | — |
B Brex![]() | $12 /user/mo | Apr 18, 2026 |
Plain pricing FAQ
- How much does Plain cost?
- Plain pricing starts at $45/seat/mo on Foundation, billed annually. Plain lists 3 plans on its pricing page.
- Does Plain have a free plan?
- No. Plain does not list a free tier; paid plans start at $45/seat/mo on Foundation, billed annually.
- What pricing model does Plain use?
- Plain uses subscription pricing across 3 plans.
- When did Plain last change its pricing?
- Oct 12, 2026: Plain adds $10-$100 credit top-ups, doubles Foundation credits to 1,000/month.
- How often has Plain changed its pricing?
- Pulse has recorded 8 pricing changes for Plain since it started tracking on Mar 2, 2026; the pricing page was last captured on Oct 12, 2026.






