Seamless.AI vs HubSpot
A detailed comparison to help you choose between Seamless.AI and HubSpot.
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Verdict: HubSpot wins
HubSpot scores 4.0/5, edging out Seamless.AI at 3.1/5. Small to mid-market teams that want one shared customer record across marketing, sales and service and are willing to budget for the Professional step when automation needs get serious.
Seamless.AI AI-powered B2B contact database | HubSpot All-in-one CRM marketing and sales platform | |
|---|---|---|
| Rating | 3.1 (1 review) | 4.0 (1 review) |
| Pricing Model | freemium | freemium |
| Starting Price | Free tier available | Free tier available |
| Best For | US-focused SMB sales teams running outbound at volume who want emails and direct dials from one credit and can verify data quality on their own list before signing an annual contract. | Small to mid-market teams that want one shared customer record across marketing, sales and service and are willing to budget for the Professional step when automation needs get serious. |
| Free Tier | ||
| API Access | ||
| Team Features | ||
| Open Source | ||
| Tags | free tierbrowser extensionapi access | api accessteam featuresfree tiermobile app |
| Visit Seamless.AI → | Visit HubSpot → |
Seamless.AI
Pros
- + One credit returns both email and a phone number — the flat credit model beats the 5:1 and 10:1 phone ratios of Lusha and LeadIQ in my comparison
- + Free plan with 50 credits and no credit card is the easiest trial entry in the B2B data category (seamless.ai pricing page, captured September 2026)
- + Chrome extension pulls contacts while browsing LinkedIn Sales Navigator and company pages
- + Universal Credits pool across a team since June 2026, with admin-set per-user limits
- + G2 rating of 4.4 across 5,277+ reviews shows a large, genuinely satisfied user base for US outbound
Cons
- - Reported 20-30% of records inaccurate or outdated on G2; credits are spent even when the research returns a bounce
- - No published price for any paid plan — Pro and Enterprise route to sales and every third-party price is an estimate
- - Trustpilot sits at roughly 1.4/5 on billing disputes and auto-renewal friction; terms renew 12 months unless changed 60 days before renewal
- - GDPR concerns for EU/UK prospecting and a March 2025 LinkedIn restriction on its tooling
- - Buyer Intent, AI Assistant, Autopilot and Data Enrichment are paid add-ons on top of the subscription
HubSpot
Pros
- + One shared contact record across marketing, sales, service and reporting — in my portal build, lifecycle stages flowed between hubs without the sync plugins point solutions require
- + Starter is the real deal for small teams: unbranded forms and emails, simple automation, 1,000 marketing contacts and free view-only seats for $20/seat list price (promotional $7-$10 for new customers at time of writing)
- + Transparent, published price ladders for every hub and contact tier — no forced sales call to find the Starter or Professional rate (hubspot.com pricing, verified September 2026)
- + Ecosystem depth is unmatched in this category: app marketplace, agency partner network, and phone support from Professional up
- + Free plan (up to 2 users, 2,000 emails/month) is a genuinely usable CRM, not a demo — good for a first company or a side project
Cons
- - The Starter-to-Professional jump is brutal: $20/seat to $800/month plus a mandatory $3,000 onboarding fee charged automatically, with nothing in between
- - Contact tiers dominate the bill at scale — a worked mid-size example lands near $28,310 all-in for year one (SMTPedia), before add-ons
- - All Core Seats price at the highest edition anywhere in the account, so one Sales Hub Enterprise licence silently reprices every marketing seat
- - The $7 Starter promotion is temporary, new-customer-only and reverts toward the $20 list price at renewal — budget the renewal, not the offer
- - Specialist depth is capped: the workflow builder, CMS and attribution reporting all give way to dedicated tools once you pass mid-market complexity
Frequently Asked Questions
Which is better, Seamless.AI or HubSpot?▼
HubSpot scores higher at 4.0/5 vs 3.1/5 for Seamless.AI, making it the better-rated option in our comparison.
What is the difference between Seamless.AI and HubSpot?▼
Seamless.AI: Seamless.AI is a B2B sales prospecting platform that finds and verifies business contacts, emails and direct dial numbers. HubSpot: Comprehensive CRM platform that unifies marketing, sales, and customer service with AI-powered insights and automation tools.
Is Seamless.AI or HubSpot more affordable?▼
Seamless.AI starts at €0/mo, HubSpot starts at €0/mo. Check the comparison table above for current pricing.
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