HubSpot Service Hub vs Plain
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. HubSpot Service Hub has the lower starting price: about $20 a month, against $55 for Plain.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Ticketing help desk
- Breeze customer agent
- Knowledge base
- Customer portal
- Feedback surveys
- Unified support queue
- GraphQL API
- Slack and Discord channels
- Built-in AI agent
- Bring-your-own agent support
| Feature | HubSpot Service Hub | Plain |
|---|---|---|
| Best for | Help desk on HubSpot's CRM with an AI customer agent | API-first support platform for B2B SaaS and developer tools |
| Category | Customer support | Customer support |
| Pricing model | Freemium | Free trial |
| Starting price | $20/mo | $55/mo |
| Free plan | Yes | No, 7-day trial |
| Made by | HubSpot | Plain |
| Based in | United States | United Kingdom |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
HubSpot Service Hub has the lower starting price: about $20 a month, against $55 for Plain.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Free
Free
- Free help desk and ticketing tools
- Live chat and shared inbox
Starter
$20/mo
- Per seat
- Help desk and ticket automation
- Remove HubSpot branding
Professional
$100/mo
- Per seat
- Customer portal and knowledge base
- Feedback surveys and SLAs
Enterprise
$150/mo
- Per seat, billed annually
- Advanced permissions and custom objects
- Skill-based routing
3 plans
Foundation
$55/mo
- Per user
- Up to 5 member seats
- 1,000 credits per month
- Slack, email and in-app channels
Horizon
$99/mo
- Per user
- Unlimited seats
- 2,500 credits per month
- Microsoft Teams, SLAs, HIPAA
Frontier
Custom
- Advanced security review
- Support and uptime SLAs
- Dedicated success manager
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
HubSpot Service Hub
- Shares data with HubSpot marketing and sales
- Free tools to start
- Easy for non-technical teams
- Advanced features need costly tiers
- Less depth than dedicated desks
- AI credits are limited per plan
Plain
- Highly programmable
- Good fit for developer products
- Transparent pricing
- Less suited to B2C volume
- Smaller ecosystem
- Needs technical setup to shine
Which one should you choose?
Choose HubSpot Service Hub if you want:
- Shares data with HubSpot marketing and sales
- Free tools to start
- Easy for non-technical teams
Watch out: advanced features need costly tiers.
Choose Plain if you want:
- Highly programmable
- Good fit for developer products
- Transparent pricing
Watch out: less suited to b2c volume.
HubSpot Service Hub vs Plain FAQ
What is the difference between HubSpot Service Hub and Plain?
HubSpot Service Hub: Help desk on HubSpot's CRM with an AI customer agent. Plain: API-first support platform for B2B SaaS and developer tools. Both are customer support tools.
Is HubSpot Service Hub or Plain cheaper?
HubSpot Service Hub has the lower starting price: about $20 a month, against $55 for Plain.
Do HubSpot Service Hub and Plain have free plans?
HubSpot Service Hub: Yes. Plain: No, 7-day trial.
Who makes HubSpot Service Hub?
HubSpot Service Hub is made by HubSpot, based in United States.
Who makes Plain?
Plain is made by Plain, based in United Kingdom.
Which should I choose, HubSpot Service Hub or Plain?
Choose HubSpot Service Hub if you value shares data with hubspot marketing and sales and free tools to start. Choose Plain if you value highly programmable and good fit for developer products.