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Crisp: All-in-one customer support platform with AI agents and omnichannel features
Plain
AI support infrastructure built for B2B teams
As of 29 August 2026, Plain starts at $35/month. Plain is a unified support platform that consolidates customer conversations from multiple channels into one workspace, enabling teams to orchestrate AI agents, automate workflows, and extract insights from support interactions. Softwr lists it under Customer Support. Plain is available on Web, API.
Overview
What Plain does
Plain is an AI-native support infrastructure platform designed for fast-moving B2B teams that prioritize performance, scalability, and customization. The platform consolidates customer conversations from multiple channels including Slack, Microsoft Teams, Discord, email, chat, and others into a single unified workspace. Plain enables teams to orchestrate AI agents (including Ari, Plain's native agent), automate support workflows, and extract actionable insights from support data without imposing rigid opinions on how support should work. The platform includes an AI sidekick assistant that provides context-aware help for drafting replies and answering questions, an insights engine that automatically detects trends and churn risks, and an API-first architecture for complete programmatic extensibility. Plain offers both no-code solutions for simplicity and full code capabilities for advanced customization.
What people use it for
- Consolidating support from multiple channels into one inbox
- Automating support workflows with AI agents
- Extracting insights and trends from customer conversations
- Building custom support solutions with API access
- Implementing AI-assisted customer support at scale
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The honest half
Where it falls short
Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about Plain.
- Foundation plan limited to 2,000 credits per month may be restrictive for high-volume teams
- Pricing increases significantly from Foundation to Horizon ($35 to $299 per month)
- No published pricing for Frontier (custom) plan
- Additional seat costs ($99 per seat) add up for larger teams
- Credit-based system requires monitoring usage to avoid overages
Cross-shopped
What people choose instead of Plain
Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.
- PlainvsRichpanel
Richpanel: AI-native helpdesk focused on automating support conversations
Pricing
What Plain costs
Taken from the vendor's own pricing page. Prices move, so check before you buy.
Foundation
$35 /mo
- 2,000 credits per month
- Slack and email channels
- Ari AI agent
- Linear and Jira integrations
- Help Center and Knowledge Base
- Up to 5 user seats
Horizon
$299 /mo
- 15,000 credits per month
- All Foundation features
- Microsoft Teams integration
- SLAs and escalation paths
- CRM integrations
- Reporting themes
Frontier
On request
- Custom credit allowance
- All Horizon features
- Discord channels
- Advanced security (SSO, SCIM)
- Custom AI capabilities
- Dedicated customer success manager
Capabilities
Features
Multi-channel consolidation
Connect and manage support across Slack, Teams, Discord, email, chat, and more
AI agents
Deploy Ari (Plain's native agent) or integrate custom AI models
Workflow automation
Auto-route conversations, trigger investigations, and integrate with external systems
Sidekick assistant
Context-aware AI that helps draft replies and answer questions
Insights engine
Detect trends, churn risks, and upsell opportunities across support data
Linear and Jira integration
Connect support conversations to issue tracking systems
Help Center and Knowledge Base
Create customer-facing documentation and self-service resources
API-first extensibility
Build custom solutions programmatically with full API access
Answered, with sources
Questions people ask
Each answer names the page it came from, so you can check it rather than take our word for it.
What is included in the Foundation plan?
The Foundation plan ($35/month per seat) includes 2,000 credits per month, support for Slack and email, Ari AI agent, Linear and Jira integrations, and Help Center access. Up to 5 seats are included.
SourceCan I use Plain with Microsoft Teams?
Yes, Microsoft Teams integration is available on the Horizon plan ($299/month) and higher.
SourceIs there a free trial for Plain?
Yes, Plain offers a 7-day free trial with no credit card required. You can also get 50% discount through their startup program.
SourceKeep looking
Where to go from Plain
- Plain alternativesEvery product people weigh against it
- Plain pricingPlans, floors and what the tiers exclude
- Plain badgesWhich rules it meets, and the figure behind each
- All Customer Support softwareThe full category
- Best Customer Support softwareThe shortlist, and how it was cut
Best Customer Support software for
Compare Plain with
- Richpanel
- Freshworks Customer Service Suite
- Zoho Desk
- UJET
- Kustomer
- DelightChat
- Kapture CX
- RingCentral Contact Center
- Zendesk
- HelpCrunch
- Salesforce Service Cloud
- Ameyo
- Jira Service Management
- Sprinklr Service
- 8x8 Contact Center
- Richpanel
- Zoho Desk
- Salesforce Service Cloud
Other Customer Support software
Unified customer service powered by AI
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Pricing on request12 researched notesOmnichannel contact centre software available on-premise, cloud or hybrid
Pricing on request12 researched notes
Softwr does not host reviews and shows no star rating for Plain, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.
More on Plain
Plain alternatives
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