Clay vs Apollo.io vs HubSpot vs Attio

Compared on	Clay Free plan · from $167/mo VisitRemove	Apollo.io Free plan · from $49/seat/mo VisitRemove	HubSpot Free plan · from $7/seat/mo VisitRemove	Attio Free plan · from $35/user/mo VisitRemove
What it is	Data enrichment and prospecting tool that pulls from many data providers	Sales prospecting database with email sequences, dialer and deal tracking	CRM platform with free tools plus paid marketing, sales and service hubs	Customisable CRM with email sync, enrichment, workflows and AI agents
Free plan	6,000 actions/year, 1,200 data credits/year, up to 200 rows per table, unlimited seats and tables, no phone number enrichment	900 credits per seat per year (granted monthly), 2 sequences, AI Assistant limited to 5 chats, record selection limit of 25	Up to 2 users, 1,000 contacts, 1 million records across other standard objects; no time limit; no credit card required	Up to 3 seats, 50,000 records, up to 3 objects, 100 seat credits per user/month, 250 workspace credits/month, 1 synced email account per user, 200 emails/month
Cheapest paid plan	$167/mo billed annually (Launch)Clay pricing	$49/seat/mo billed annually (Basic)Apollo.io pricing	$7/seat/mo (Starter Customer Platform)HubSpot pricing	$35/user/mo billed annually (Plus)Attio pricing
What it covers	Monthly: 15K actions and 2.5K data credits per month; annual: 180K actions and 30K data credits per year. The actions portion alone starts at $60/mo (monthly) or $54/mo (annual); unlimited seats.	Monthly: 2,500 credits per seat per month; annual: 30,000 credits per seat per year, granted upfront.	'Starts at' price offered for a limited time to new customers, with the $20/mo/seat list price struck through (shown for both monthly and annual billing); includes 500 HubSpot Credits.	Up to 10 seats; 500 seat credits per user/month and 1,500 workspace credits/month.
Free trial	14-day trial of paid plans	14-day trial of Basic or Professional (trial includes 50 credits and 5 mobile credits)	None stated	14-day trial of the Pro plan
Platforms	Web	Web, API	Web	Web, API
Integrations (vendor's figure)	150+ data providers (pricing page; the About page says 200+)	Not stated	Over 2,000 apps and web services	Not stated
Open source	No	No	No	No
Good for	Building targeted prospect lists with contact details Enriching CRM records with company and contact data Alerting sales reps when a customer contact changes jobs	Finding contact details for prospects at target companies Running automated email outreach sequences for a small sales team Enriching CRM records with company and contact data	Keeping a free shared contact database for a very small team Running email marketing and lead capture for a small business Keeping sales, marketing and support records in one system	Managing a startup's sales pipeline with contacts synced from email Shaping the CRM with custom objects that match how a team works Automating follow-ups with workflows and email sequences
Watch out for	Free plan: 1.2K data credits and 6K actions a year, up to 200 rows per table Free plan does not include phone number enrichment CRM auto-sync and web intent signals require Growth	Free plan: 900 credits per seat per year and 2 sequences Organization requires at least 3 seats and annual billing Record selection limit of 25 on Free and 1,000 on Basic	Free tools are limited to 2 users and 1,000 contacts Professional and Enterprise need a one-time onboarding fee (Marketing Hub: $3,000 and $7,000) The $7/seat Starter price is a limited-time offer for new customers; the list price shown is $20/seat/month	Free plan: up to 3 seats, 50,000 records, 3 objects and 200 emails a month Plus is capped at 10 seats Call intelligence, sequences, permission controls and advanced reporting require Pro
Made by	Clay	Apollo.io	HubSpot, Inc.	Attio Ltd.

Entry prices are the cheapest paid plan, as each vendor publishes it; “What it covers” says what that price is per (a user, a channel, a brand, a number of contacts). The sources are listed on each tool's page.

Every tool in AI sales prospecting and lead data tools and CRM tools is on their category pages, with the written head-to-heads on Compare.