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Customer Support · head to head

Plain vs HubSpot Service Hub

Plain logo

Plain

Customer Support

AI support infrastructure built for B2B teams

From
$35/month
Rated
-
Full reviewWebsite
HubSpot Service Hub logo

HubSpot Service Hub

Customer Support

Customer service software for scaling companies

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only HubSpot Service Hub has a free tier, so it costs nothing to try first.
  • Each has a real cost: Plain foundation plan limited to 2,000 credits per month may be restrictive for high-volume teams; HubSpot Service Hub the free tier is capped at 2 users
  • They diverge on capability: Plain covers Multi-channel consolidation, HubSpot Service Hub covers Ticketing.

Where they differ

Only the attributes on which Plain and HubSpot Service Hub actually diverge.

Attributes where Plain and HubSpot Service Hub differ
AttributePlainHubSpot Service Hub
Starting price$35/monthFree
Pricing modelTiered pricing per seat with credit systemsubscription
Free tierNoYes
PlatformsWeb, APIWeb, Ios, Android
FoundedUnknown2006

Identical on both: user rating (Not yet rated), category (Customer Support).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Plain

  • Multi-channel consolidation
  • AI agents
  • Workflow automation
  • Sidekick assistant
  • Insights engine
  • Linear and Jira integration
  • Help Center and Knowledge Base
  • API-first extensibility

Only in HubSpot Service Hub

  • Ticketing
  • Knowledge base
  • Customer feedback
  • Live chat
  • Conversational bots
  • Reporting
  • HubSpot CRM
  • Slack

What people use each for

The jobs each tool is most often brought in to do.

Plain

  • Consolidating support from multiple channels into one inboxnot HubSpot Service Hub
  • Automating support workflows with AI agentsnot HubSpot Service Hub
  • Extracting insights and trends from customer conversationsnot HubSpot Service Hub
  • Building custom support solutions with API accessnot HubSpot Service Hub
  • Implementing AI-assisted customer support at scalenot HubSpot Service Hub

HubSpot Service Hub

  • Shared inbox and ticketing for a support teamnot Plain
  • Knowledge base and customer self-servicenot Plain
  • Live chat and chatbots on a websitenot Plain
  • Customer feedback surveys and CSATnot Plain
  • Support reporting tied into the HubSpot CRMnot Plain

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

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

HubSpot Service Hub

  • The free tier is capped at 2 users
  • Professional carries a one-off onboarding fee of $1,500, and Enterprise $3,500, on top of the seat price
  • Seats are $90 a month billed monthly against $100 billed annually on Professional, so the annual commitment is not the cheaper option per month
  • AI features run on monthly credits, 500 on Starter and 3,000 on Professional, which do not roll over
  • Extra credits cost $0.010 each once the monthly allocation is spent

Pricing, plan by plan

Plain

$35/month
  • Foundation$35/month
    • 2,000 credits per month
    • Slack and email channels
    • Ari AI agent
  • Horizon$299/month
    • 15,000 credits per month
    • All Foundation features
    • Microsoft Teams integration
  • Frontier$null/custom
    • Custom credit allowance
    • All Horizon features
    • Discord channels

HubSpot Service Hub

Free
  • FreeFree
    • Contact management
    • Ticketing
    • Team email
  • Starter$10/month
    • Simple ticket automation
    • Multiple ticket pipelines
    • Live chat
  • Professional$100/month
    • Help desk workspace
    • Customer success workspace
    • Customer agent
  • Enterprise$150/month
    • Skill-based routing
    • Conditional SLAs
    • Customer journey analytics

Which should you pick?

Choose Plain if

  • You need multi-channel consolidation.
  • You work on Web, API.
  • You also want ai agents.
Plain review

Choose HubSpot Service Hub if

  • You need ticketing.
  • You want to start without paying.
  • You work on Web, Ios, Android.
  • You also want knowledge base.
HubSpot Service Hub review

Questions people ask

Is Plain or HubSpot Service Hub better?
Neither clearly leads. Plain starts at $35/month and HubSpot Service Hub at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Plain or HubSpot Service Hub?
HubSpot Service Hub has a free tier; the other does not. Paid plans start at $35/month for Plain and Free for HubSpot Service Hub.
Does Plain or HubSpot Service Hub run on more platforms?
Plain runs on Web, API. HubSpot Service Hub runs on Web, Ios, Android.
Can I use HubSpot Service Hub for free?
Yes. HubSpot Service Hub has a free tier, so you can try it without paying. Plain starts at $35/month.
What is Plain best used for?
Plain is most often used 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. Of those, consolidating support from multiple channels into one inbox and automating support workflows with ai agents are not what HubSpot Service Hub is typically brought in for.
What can Plain do that HubSpot Service Hub cannot?
Plain covers Multi-channel consolidation, AI agents, Workflow automation, Sidekick assistant. HubSpot Service Hub covers Ticketing, Knowledge base, Customer feedback, Live chat.

Answered from the vendors’ own pages

Plain: 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.

Source
HubSpot Service Hub: How much does HubSpot Service Hub cost per user?

Free plan at $0/month. Starter at $10/month per seat (new customers; regular $20/month), Professional at $100/month per seat, Enterprise at $150/month per seat.

Source
Plain: Can I use Plain with Microsoft Teams?

Yes, Microsoft Teams integration is available on the Horizon plan ($299/month) and higher.

Source
HubSpot Service Hub: What is the free trial length for HubSpot Service Hub?

A 14-day free trial is available for evaluating Service Hub functionality before commitment to a paid plan.

Source
Plain: Is 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.

Source
HubSpot Service Hub: Does HubSpot Service Hub have a free permanent plan?

Yes, the free plan includes contact management, ticketing, and team email features at $0/month with no credit card required.

Source
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