Skip to content
Plain logo

AI-powered support platform for B2B teams to orchestrate customer conversations across all channels.

From $35/mo, billed monthly, free trial Visit Website
Reviews on G2
20 reviews tracked

The Bottom Line

Price
From $35/mo, billed monthly, free trial. Compare plans

Key facts

  • Unifies B2B customer support across multiple channels into a single platform.
  • Leverages AI (Ari, Sidekick, Lookup) to automate tasks, assist agents, and provide technical answers.
  • Provides insights from support data to drive product improvements and improve team efficiency.

Pros

  • Consolidates customer communication from various channels into one platform.
  • AI tools significantly reduce manual effort and speed up response times.
  • Provides deep insights from support data to inform product development.
  • Highly extensible with an API-first design for custom workflows and integrations.
  • Designed for B2B, focusing on complex, revenue-impacting interactions.

Cons

  • No free tier, only a 14-day free trial.
  • Pricing can become substantial for larger teams or higher AI usage.
  • Requires integration and setup to fully leverage its extensibility.

What is Plain?

Plain is an AI-powered support platform designed for B2B teams to manage customer interactions across various channels like Slack, Microsoft Teams, email, Discord, and in-app chat. It aims to consolidate scattered customer conversations into a unified workspace, enabling faster and more efficient support. The platform offers an AI suite including 'Ari' for automating routine customer engagements, 'Sidekick' for assisting human agents with context-aware drafting and knowledge retrieval, and 'Lookup' for technical teams to get code-accurate answers directly from their codebase. Plain also provides tools for generating insights from support data to influence product roadmaps, manage SLAs, automate workflows, and build self-serve help centers. Its API-first approach allows for extensive customization and integration with existing internal systems and BI tools, making it suitable for fast-growing and demanding support teams.

Available on: Web

Ratings Across the Web

4.5 (20 reviews)

Plain holds an aggregate rating of 4.5 out of 5 from 20 reviews across G2, last checked March 19, 2026.

Ratings aggregated from independent review platforms. Learn more

Preview

Key Features

  • Multi-channel support inbox (Slack, Teams, Discord, Email, In-app chat, Forms)
  • Ari AI agent for automated customer engagement and issue resolution
  • Sidekick AI assistant for drafting replies and knowledge retrieval
  • Lookup powered by Cursor for code-accurate technical answers
  • Automated insights and trend detection from support data
  • AI-powered Help Center with article generation
  • Customizable workflows and escalation paths
  • SLA management with automated breach notifications

Pricing Plans

Free Trial

Pricing checked Nov 2, 2026. Source: plain.com/pricing, read Nov 2, 2026

Plain plans and prices, checked November 2026
Plan Price Details
Foundation

$35 / month

  • 1 seat + $35/additional
  • Slack, email, in-app channels
  • Ari AI agent included
+4 more
  • Linear, Jira integrations
  • Customer cards
  • AI workflows
  • Get help via email + chat
Horizon

$99 / user/month

  • 3 seats + $89/additional
  • All Foundation features +
  • Microsoft Teams and Discord channels
+7 more
  • SLAs and Business hours
  • Escalation paths
  • Help Center, Knowledge Base
  • CRM integrations
  • Reporting themes
  • AI suggested responses
  • Priority support via Slack
Frontier

Custom

  • Custom seats
  • All Horizon features +
  • Custom AI + bring your own agent
+7 more
  • Sidekick AI assistant
  • Lookup with Cursor
  • Custom workspaces
  • Custom contracting
  • Advanced security
  • SSO and SCIM
  • Dedicated CSM + white glove onboarding

Is Plain worth the price?

Good value

The per-seat pricing for additional users also escalates significantly.

It's best for B2B teams prioritizing advanced AI capabilities and deep integrations over budget constraints.

Hidden Costs & Gotchas

Additional seats are $35/month on Foundation.

Additional seats are $89/month on Horizon.

Full Plain pricing: every plan, hidden costs and alternatives

How Plain's pricing compares

At $35/mo, billed monthly, Plain is mid-range of its 3 comparable direct competitors ($19 to $495/mo across the set).

Plain
$35
$495

Entry paid plan, monthly price, billed monthly. Pricing checked Nov 2, 2026.

Email me when Plain changes its price

One email per change, found on the vendor's own pricing page. Unsubscribe any time.

Recent pricing updates

Changes we detected on the Plain pricing page.

  • Horizon went from $269 to $99 per user a month.

Plain by the numbers

Toolradar data: Plain's entry paid plan ($35/mo, billed monthly) ranks #36 of 72 (joint) for price among the Customer Support tools with a verified entry price and no stated unit, where the median is $35/mo. As of Nov 2026.

Plain compared with 301 Customer Support tools on Toolradar, as of Nov 2026
Metric Plain Peer median Position (1 is best)
Entry paid plan $35/mo, billed monthly $35/mo #36 of 72 (joint) tools with no stated price unit, verified price
Free plan No 27% have one n/a
Integrations listed 4 2 #16 of 79 (joint) tools with at least one integration recorded
User rating 4.5/5 (across the web, 20 ratings) 4.5/5 #68 of 173 (joint) tools with 20+ reviews

Each position is counted among the tools that have data for that row, as noted under it. A lower entry price ranks higher; prices are read on vendor pages and compared only with tools priced on the same basis. All Customer Support data · How we compute this. Advertising and placement fees are not inputs to any position.

Cite this: Toolradar, “Plain by the numbers”, Nov 2026.

Reviews

Improve Your Thinking Patterns Using ChatGPT cover
$99 Free with your review

Review Plain, get a free AI guide

Share your experience and we will send you Improve Your Thinking Patterns Using ChatGPT, free.

Write a review
4.5/5

Across 20 verified user reviews on G2

Add your hands-on experience using the offer above to help the next buyer.

Best Plain Alternatives

Top alternatives based on features, pricing, and user needs.

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

Explore More

Plain FAQ

How does Plain help B2B teams manage customer conversations across different channels?

Plain consolidates customer interactions from various channels such as Slack, Microsoft Teams, email, Discord, and in-app chat into a unified workspace. This allows B2B teams to manage all customer conversations from a single platform, streamlining support operations.

Which teams would benefit most from using Plain?

Plain is best suited for fast-growing and demanding B2B support teams that handle complex, revenue-impacting interactions. It also benefits technical teams needing code-accurate answers directly from their codebase and product teams looking for support data insights.

How does Plain compare to Chatwoot for customer support?

Plain is designed specifically for B2B teams, focusing on consolidating complex customer interactions and providing advanced AI tools like 'Ari' for automation and 'Sidekick' for agent assistance. It also offers deep insights from support data to inform product roadmaps, which differentiates its approach to customer support.

What kind of AI capabilities does Plain offer to support teams?

Plain includes an AI suite with 'Ari' for automating routine customer engagements, 'Sidekick' for assisting human agents with context-aware drafting and knowledge retrieval, and 'Lookup' for technical teams to get code-accurate answers from their codebase.

What are the main trade-offs to consider when adopting Plain?

A primary trade-off is that Plain does not offer a free tier, only a 14-day free trial. Additionally, its pricing can become substantial for larger teams or those with higher AI usage, and it requires initial integration and setup to fully leverage its extensibility.

How is Plain priced?

Plain is offered as a paid product and does not include a permanently free tier. Prospective users can access a 14-day free trial to evaluate the platform's features and capabilities.

Can Plain integrate with existing internal systems and BI tools?

Yes, Plain features an API-first approach that allows for extensive customization and integration with existing internal systems and Business Intelligence (BI) tools. This design enables teams to build custom workflows and connect it with their current infrastructure.

How does Plain pricing compare with other Customer Support tools?

Plain's entry paid plan ($35/mo, billed monthly) ranks #36 of 72 (joint) for price among the Customer Support tools with a verified entry price and no stated unit, where the median is $35/mo. Prices are read on each vendor's own pricing page and compared only with tools priced on the same basis. Source: Toolradar, Nov 2026.

Does Plain have a promo code or discount code?

As of November 2, 2026, Toolradar has no Plain promo code, coupon or discount code on file. Plain's own pricing page (https://plain.com/pricing, read November 2, 2026) does list a 14-day free trial, so you can start without a code. Offers change, so confirm the terms at checkout.

Source: plain.com

Guides & Articles