C
CData enrichment, AI research agents and GTM workflows for sales and marketing teams
Free, from $54/mo
Apollo.io vs Structurely
Pricing, features, platforms and who each one suits — side by side.
A
Choose Apollo.io if…
- you want a free plan to start with
- you work on Chrome
- you're in its core audience: sales development reps, account executives
S
Choose Structurely if…
- you're in its core audience: sales and call center teams, mortgage and real estate firms
Side by side
Feature Apollo.io Structurely
Pricing modelFreemiumContact for pricing
Starting price——
Free plan
Free trial
API
Open source
Trains AI on your contentYes—
Data retention—Kept for period necessary to fulfil purposes, unless law requires longer
Security and complianceSOC 2 Type II, ISO 27001, GDPR, CCPACCPA
Own contact database—
Waterfall enrichment—
Phone numbers—
Intent & job-change signals—
Built-in sequences
MCP server
PlatformsWeb, Chrome, APIWeb, API
CategoryLead GenerationSales Assistants & CRM
CompanyZenLeads, Inc. d/b/a Apollo.ioReinform, Inc.
Based inUnited StatesUnited States
Founded2015—
Part of——
Key features
A Apollo.io
- B2B database of 240M+ contacts and 30M+ accounts
- AI agents that research accounts and prioritize leads
- Email sequencing and outreach automation
- Parallel dialer for phone prospecting
- Waterfall enrichment for more complete records
- Domain warming, inbox rotation and reputation monitoring
- Chrome extension for finding emails and phone numbers
- 200+ integrations, plus an MCP server
S Structurely
- Inbound and outbound AI voice calling
- Two-way SMS and email follow-up
- Appointment and callback scheduling
- Live call transfers to human reps
- Automatic call dispositions and CRM updates
- Document collection during conversations
- AI power dialer inside Salesforce
- REST APIs, webhooks and MCP for headless builds
Plans and prices
From each vendor's site. Prices change — confirm before buying.
Apollo.io
FreeFree
BasicNot published
ProfessionalNot published
CustomCustom
Structurely
Small TeamCustom (platform fee + usage)
Large TeamCustom (platform fee + usage)
Enterprise / Build Your OwnCustom
Strengths and limitations
Apollo.io
- Free plan with no time limit
- Large built-in B2B contact database
- Works inside your CRM, Gmail and browser
- Monthly billing can be cancelled anytime
- Plan prices are not shown on the pricing page
- API access is listed only on the Custom plan
- Free plan sends email campaigns only through connected Gmail accounts
- Unused credits expire at the end of each billing cycle
Structurely
- Usage pricing from $0.07/min voice and $0.02 per SMS or email
- No per-seat licensing
- Supports voice, SMS, RCS, email and chat in one platform
- Can run headless or white label through its APIs
- Platform fees are not published; you have to contact sales
- APIs and webhooks are not part of the Small Team plan
- No self-serve free plan listed
More comparisons
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CC
Free, from $54/mo
C
Data enrichment, AI research agents and GTM workflows for sales and marketing teams
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B
BB
Free, from $10/mo
B
Scrape, enrich and qualify sales leads with AI for go-to-market teams
Lead GenerationFree plan
O
OO
Contact
O
AI agents for sales teams covering prospecting, deals, coaching and forecasts
Sales Assistants & CRMAPI
A
AA
From $600/mo
A
Sales platform with AI agents, B2B data, sequences and a parallel dialer
Sales Assistants & CRM
1
11
Contact
1
AI sales agents for outbound prospecting, inbound qualification and expansion
Sales Assistants & CRMAPI
C
CC
From $24/mo
C
GTM AI platform with workflows, agents and chat for sales and marketing teams
Sales Assistants & CRMAPI
Built from each vendor's public website; we haven't tested them hands-on. Editorial policy