HubSpotThe agentic customer platform to scale your business.
vs
PlainThe AI support stack built for B2B
Comparison · Help Desk · weekly run Nov 3
HubSpot vs Plain
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
HubSpot is the stronger AI pick in Help Desk: it has a visibility score of 26.5 versus 1.5 for Plain, and ranks ahead in 50% of the answers that name both.
Choose HubSpot if…
- You want the brand AI engines rank higher (26.5 vs 1.5)
- You want a free plan to start
- AI answers describe it more positively (35% vs 20% positive)
- You need SOC 3 coverage
Choose Plain if…
- You need HIPAA or GDPR coverage
- Recommended in B2B SaaS support shortlists
- Strong fit for modern, Slack-connected developer-centric support
- Suited to B2B teams depending on customer interaction style
AI visibility side by side
Latest weekly run · Nov 3
| Metric | HubSpot | Plain |
|---|---|---|
| Visibility score | 26.5% | 1.5% |
| Change vs last week | up+1.9% | down−0.8% |
| Rank in Help Desk | #6 | #24 |
| Share of voice | 7.2% | 0.4% |
| Mentions this run | 36 | 2 |
| Positive in AI answers | 35% | 20% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
HubSpot +1.8000000000000007pp · Plain −0.7999999999999998pp over 1 weekly runs.
Engine by engine
HubSpot leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
HubSpotPlain
Head to head in AI answers
2 engine answers name both brands
1HubSpot ranked higher
1Plain ranked higher
| Prompt | Engine | HubSpot | Plain |
|---|---|---|---|
| Top help desk platform options for B2B SaaS companies | ChatGPT | #3 | #6 |
| Top help desk platform options for B2B SaaS companies | Perplexity | #8 | #2 |
Features, pricing & fit
| Dimension | HubSpot | Plain |
|---|---|---|
| Pricing model | Per seat | Per seat |
| Entry price | Free; paid from $7 per seat / mo | $45 per seat / mo |
| Free plan | Yes | No · 7-day trial |
| Onboarding fee | $3,000 | — |
| Deployment | Cloud | Cloud (AWS eu-west-2, London) |
| Integrations | 2000+ | — |
| Compliance | SOC 2 Type II, SOC 3 | SOC 2 Type II, HIPAA, GDPR |
| Support | Phone | Help Center, Dedicated customer success manager (Frontier), White glove onboarding (Frontier), Community |
| Founded | 2006 | 2020 |
| Headquarters | Cambridge, Massachusetts, United States | London, United Kingdom |
| Employees | 5,000+ | 11–50 |
| Funding | Corporate round | Series A · $21M raised |
| Best for | Startups, small and mid-sized businesses and enterprises wanting marketing, sales and service on one CRM. | Fast-growing B2B and developer-tools companies that support customers in Slack, Teams, Discord and email |
Plans side by side
HubSpot
Free$0month
Starter$7month per seat (promotional, new customers; $20/mo/seat standard)
Professional$800month, includes 3 Core Seats (annual commitment; $890/mo)
Enterprise$3,600month, includes 5 Core Seats
Plain
Foundation$45user/month, billed annually
Horizon$99user/month, billed annually
FrontierCustomcustom, billed annually
Pros and cons
Themes from the AI answers that mention each brand
HubSpot
- intuitive, user-friendly interface
- generous free tier
- all-in-one CRM and marketing platform
- tight CRM integration for live chat and service
- good fit for startups and small businesses
- higher-tier costs and onboarding fees
- higher month-to-month pricing than annual plans
Plain
- Recommended in B2B SaaS support shortlists
- Strong fit for modern, Slack-connected developer-centric support
- Suited to B2B teams depending on customer interaction style
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 98.8%·next run
Cite as: SlateIndex, “HubSpot vs Plain”, https://slateindex.ai/compare/hubspot-vs-plain, data of Nov 3, 2026. Licence: CC BY 4.0.