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Customer Support

Plain vs Unthread: Pricing Comparison 2026

Side-by-side pricing comparison of Plain and Unthread. See all plans, features, and costs at a glance.

Bottom line: Plain starts at $35/mo and Unthread starts at Custom pricing. Compare all 6 pricing tiers side by side.

Last updated: August 24, 2026

Data compiled by Arthur Jacquemin
Updated August 24, 2026
Try Plain freeTry Unthread freePrice updated 4d agoUpdated this month
Best Value

Unthread - Unthread offers better overall value.

Plain vs Unthread: Quick Pricing Facts

FeaturePlainUnthread
Starting Price$35/moCustom pricing
Number of Plans33
Free TierNoNo
Pricing Modelusage-basedflat
Annual DiscountN/AN/A

Plain and Unthread are both priced at $35/mo, making them equally accessible Customer Support tools. Together they offer 6 pricing plans with 32 features compared, so the best choice comes down to which features match your needs.

Plain uses usage-based pricing while Unthread uses flat pricing, which may affect your total cost at scale.

Review the detailed tier-by-tier comparison above to see exactly which features are included at each price point and find the best fit for your Customer Support needs.

Pricing Plans
Plain
Unthread
Unthread
Try free
Tier 1
Foundation
$35/monthCheapest
Start with Foundation
Basic
Custom pricing
Includes
  • Conversation tracking
  • SLAs and assignments
  • Slack Inbox
  • Slack Broadcasts
  • Basic integrations & API
  • Dedicated Slack support channel
  • Up to 100 conversations/month
  • Standard MSA
Start with Basic
Tier 2
Horizon
$299/monthCheapest
Start with Horizon
ProPopular
Custom pricing
Includes
  • Everything in Basic
  • Customer portal
  • Knowledgebase sync
  • Custom analytics dashboards
  • NPS & CSAT surveys
  • CRM integrations
  • Bi-directional 3rd party ticket sync
  • Escalations & approval requests
  • Custom status workflows
  • Standard MSA
Start with Pro
Tier 3
Frontier
Custom pricing
Start with Frontier
Enterprise
Custom pricing
Includes
  • AI automation builder
  • Self-learning documentation
  • Dedicated solutions engineer
  • Custom RBAC permissions
  • Custom integrations
  • Single sign-on (SSO)
  • HRIS integration & directory sync
  • HIPAA & BAAs
  • Dedicated hosting
  • Mass email broadcasts
  • Industry-leading SLAs
  • Slack enterprise grid
  • LDAP integration
  • Custom MSA
Start with Enterprise

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Plain

API-first customer support platform for B2B teams

View all Plain plans

Unthread

AI-automated support ticketing inside Slack

View all Unthread plans

Frequently Asked Questions: Plain vs Unthread

How many pricing plans does Plain have vs Unthread?
Plain offers 3 pricing plans, while Unthread offers 3 plans. More plans typically means more flexibility to match your exact needs and budget.
What is the most popular Unthread plan?
The Pro plan is Unthread's most popular tier, priced at Custom pricing. Key features include Everything in Basic, Customer portal, Knowledgebase sync.
Does Plain or Unthread offer custom enterprise pricing?
Yes, both Plain and Unthread offer custom enterprise pricing tiers with quote-based pricing. Contact each vendor for a tailored quote.
What pricing models do Plain and Unthread use?
Plain uses a usage-based pricing model, while Unthread uses flat pricing. The right model depends on your team size and usage patterns.
How do Plain and Unthread compare for Customer Support?
Both Plain and Unthread are Customer Support tools. Plain offers 3 plans starting at $35/mo, while Unthread offers 3 plans starting at Custom pricing. Review the feature breakdowns above to see which better fits your Customer Support needs.
AI Recommendations

Sources

  1. Plain Official Pricing- Vendor pricing page
  2. Unthread Official Pricing- Vendor pricing page

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