Curated top 10 rankings of everything

An all-in-one sales engagement platform that combines a massive B2B contact database with built-in email sequencing.

Pricing fromFree
Best forStartups and mid-market outbound teams
Websitewww.apollo.io

Company facts

Founded2015
HeadquartersSan Francisco, US
Employees501 to 1,000
IndustryInformation technology industry
Social profilesLinkedIn, X, Facebook, Instagram, YouTube, TikTok, Crunchbase

Apollo.io pricing

Has a free plan. Pricing as Lister records it: Free

Apollo.io's own website mentions:

  • Self-serve sign-up, without a sales call

Prices change: check Apollo.io's own pricing page before you buy.

Facilities and features

  • Published pricing
  • Self-serve sign-up
  • API
  • Integrations
  • SOC 2
  • GDPR

What stands out

The AI tool provides access to over 240 million contacts and 30 million accounts.

“240M+ contacts and 30M+ accounts with trusted B2B data Data refresh that improves over time”Apollo.io, own website

The AI tool offers more than 200 integrations to connect with existing tools.

“Apollo Anywhere to work from your CRM, ChatGPT, Claude, Gmail, browser, and more 200+ integrations to connect the tools you already use”Apollo.io, own website

Worth knowing

All seats on an account must be on the same plan level.

“No. All seats on an Apollo account are on the same plan — you can't have some users on Professional and others on Basic.”Apollo.io, own website

Strengths and trade-offs

  • Generous free tier available
  • Integrated email sequencing tools
  • Data accuracy can occasionally vary

Appears in

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1SmartReach.io100.02CallHippo98.03SalesTarget.ai98.0RANKINGfull ranking →
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AI conversation intelligence tools for small businesses

1Apollo.io96.02Avoma94.03iSlash AI92.0RANKINGfull ranking →
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AI sales enablement platforms for enterprises

1GetAccept98.02Apollo.io96.03Sendspark94.0RANKINGfull ranking →
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AI SDR tools for small businesses

1Apollo.io96.02LeadMachine96.03Oppora AI96.0RANKINGfull ranking →
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AI sales enablement platforms that integrate with HubSpot

1GetAccept98.02Apollo.io96.03Sendspark94.0RANKINGfull ranking →
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AI sales enablement platforms with a free trial

1GetAccept98.02Apollo.io96.03Oppora AI94.0RANKINGfull ranking →
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Enterprise sales dialler software

1CallHippo98.02Lemlist98.03Smartlead98.0RANKINGfull ranking →
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AI cold email platforms with a free trial

1Lemlist98.02Apollo.io96.03Snov.io92.0RANKINGfull ranking →
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AI conversation intelligence tools that integrate with HubSpot

1Chorus by ZoomInfo98.02Apollo.io96.03Avoma96.0RANKINGfull ranking →
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AI SDR tools that integrate with HubSpot

1Apollo.io96.02Seamless.ai96.03Knock Knock App92.0RANKINGfull ranking →
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GDPR compliant AI SDR tools

1Apollo.io96.02FinalScout94.03Oppora AI92.0RANKINGfull ranking →
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SOC 2 compliant AI SDR tools

1Apollo.io96.02Civic90.03Highperformr AI90.0RANKINGfull ranking →
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Conversation intelligence software for small businesses

1Avoma98.02Apollo.io96.03Grain96.0RANKINGfull ranking →
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Conversation intelligence software with HubSpot integration

1Avoma100.02Weezly100.03Chorus by ZoomInfo98.0RANKINGfull ranking →
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Enterprise conversation intelligence software

1Avoma98.02Apollo.io96.03Fireflies.ai96.0RANKINGfull ranking →
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Sales enablement software with HubSpot integration

1Qwilr100.02GetAccept98.03Apollo.io96.0RANKINGfull ranking →
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Best cold email software

1Smartlead98.02Woodpecker98.03Apollo.io96.0RANKINGfull ranking →
AI TOOLS

Top 10 AI Sales Email Generators

1Lavender95.02Instantly92.73Reply.io90.3RANKINGfull ranking →
SAAS

Top 10 B2B Database Providers

1ZoomInfo95.02Apollo.io92.73LinkedIn Sales Navigator90.3RANKINGfull ranking →

Top rankings in Data enrichment tools

All Data enrichment tools rankings →

How Apollo.io ranks

#2 in AI cold email platforms with a free trial

How the score is made up: 20 for evidence on its own site; 20 for how complete its published information is; 40 for fit to this ranking's criteria; 16 for buying information on its own site.

“Agents will research, build lists, write outreach, follow up, and book meetings — prompting you at all the key moments.”Apollo.io, own website
“If you're unsure, the free trial gives access to most features before committing.”Apollo.io, own website

#1 in AI conversation intelligence tools for small businesses

How the score is made up: 20 for evidence on its own site; 20 for how complete its published information is; 40 for fit to this ranking's criteria; 16 for buying information on its own site.

“Sales Leaders Sales Reps Marketers Small Business Mid-market & Enterprise Use Cases AI Call Assistant B2B Prospecting Conversation Intelligence”Apollo.io, own website
“Is Apollo a good fit for small businesses? Yes — Apollo is built to work for companies of all sizes.”Apollo.io, own website

#2 in AI conversation intelligence tools that integrate with HubSpot

How the score is made up: 20 for evidence on its own site; 20 for how complete its published information is; 40 for fit to this ranking's criteria; 16 for buying information on its own site.

“Sales Leaders Sales Reps Marketers Small Business Mid-market & Enterprise Use Cases AI Call Assistant B2B Prospecting Conversation Intelligence”Apollo.io, own website
“Integration HubSpot HubSpot is a leading CRM platform that provides software and support to help businesses grow better.”Apollo.io, own website

#2 in AI sales enablement platforms for enterprises

How the score is made up: 20 for evidence on its own site; 20 for how complete its published information is; 40 for fit to this ranking's criteria; 16 for buying information on its own site.

“Why Apollo AI AI that actually executes Generic AI talks about pipeline. Apollo’s AI runs it, and gets smarter as you grow.”Apollo.io, own website
“Custom — Teams needing custom volumes, SSO, advanced security, and dedicated support. If you're unsure, the free trial gives access to most features before committing. For enterprise or complex needs, talk to Apollo's sales team about a custom plan.”Apollo.io, own website

#2 in AI sales enablement platforms that integrate with HubSpot

How the score is made up: 20 for evidence on its own site; 20 for how complete its published information is; 40 for fit to this ranking's criteria; 16 for buying information on its own site.

“Apollo.io is the most simple, powerful, and intelligent go-to-market solution, trusted by over 500,000 companies and millions of users globally. Apollo solves a critical need by consolidating the entire sales tech stack,”Apollo.io, own website
“Integration HubSpot HubSpot is a leading CRM platform that provides software and support to help businesses grow better.”Apollo.io, own website

#2 in AI sales enablement platforms with a free trial

How the score is made up: 20 for evidence on its own site; 20 for how complete its published information is; 40 for fit to this ranking's criteria; 16 for buying information on its own site.

“Why Apollo AI AI that actually executes Generic AI talks about pipeline. Apollo’s AI runs it, and gets smarter as you grow.”Apollo.io, own website
“If you're unsure, the free trial gives access to most features before committing.”Apollo.io, own website

#1 in AI SDR tools for small businesses

How the score is made up: 20 for evidence on its own site; 20 for how complete its published information is; 40 for fit to this ranking's criteria; 16 for buying information on its own site.

“Agents will research, build lists, write outreach, follow up, and book meetings — prompting you at all the key moments.”Apollo.io, own website
“Yes — Apollo is built to work for companies of all sizes.”Apollo.io, own website

#1 in AI SDR tools that integrate with HubSpot

How the score is made up: 20 for evidence on its own site; 20 for how complete its published information is; 40 for fit to this ranking's criteria; 16 for buying information on its own site.

“Agents will research, build lists, write outreach, follow up, and book meetings — prompting you at all the key moments.”Apollo.io, own website
“Integration HubSpot HubSpot is a leading CRM platform that provides software and support to help businesses grow better.”Apollo.io, own website

#1 in Best AI data enrichment tools

How the score is made up: 20 for evidence on its own site; 20 for how complete its published information is; 40 for fit to this ranking's criteria; 16 for buying information on its own site.

“Waterfall enrichment for more complete records Explore our Data layer How it works”Apollo.io, own website

#3 in Best cold email software

How the score is made up: 20 for evidence on its own site; 20 for how complete its published information is; 40 for fit to this ranking's criteria; 16 for buying information on its own site.

“Even at entry-level pricing, you get unlimited email addresses for your contacts, a full sequencing platform to test and automate outreach, and pipeline tools to manage deals and track engagement.”Apollo.io, own website

#2 in Conversation intelligence software for small businesses

How the score is made up: 20 for evidence on its own site; 20 for how complete its published information is; 40 for fit to this ranking's criteria; 16 for buying information on its own site.

“Sales Leaders Sales Reps Marketers Small Business Mid-market & Enterprise Use Cases AI Call Assistant B2B Prospecting Conversation Intelligence”Apollo.io, own website
“Is Apollo a good fit for small businesses? Yes — Apollo is built to work for companies of all sizes.”Apollo.io, own website

#4 in Conversation intelligence software with HubSpot integration

How the score is made up: 20 for evidence on its own site; 20 for how complete its published information is; 40 for fit to this ranking's criteria; 16 for buying information on its own site.

“Sales Leaders Sales Reps Marketers Small Business Mid-market & Enterprise Use Cases AI Call Assistant B2B Prospecting Conversation Intelligence”Apollo.io, own website
“Integration HubSpot HubSpot is a leading CRM platform that provides software and support to help businesses grow better.”Apollo.io, own website

#2 in Enterprise conversation intelligence software

How the score is made up: 20 for evidence on its own site; 20 for how complete its published information is; 40 for fit to this ranking's criteria; 16 for buying information on its own site.

“Sales Leaders Sales Reps Marketers Small Business Mid-market & Enterprise Use Cases AI Call Assistant B2B Prospecting Conversation Intelligence”Apollo.io, own website
“Yes. Apollo works with Fortune 500 companies and large enterprises including Intel, AT&T, Adobe, SAP, Shopify and more.”Apollo.io, own website

#4 in Enterprise sales dialler software

How the score is made up: 20 for evidence on its own site; 20 for how complete its published information is; 40 for fit to this ranking's criteria; 16 for buying information on its own site.

““The [Apollo] dialer alone has enabled our team to 5x their”Apollo.io, own website
“Yes. Apollo works with Fortune 500 companies and large enterprises including Intel, AT&T, Adobe, SAP, Shopify and more.”Apollo.io, own website

#1 in GDPR compliant AI SDR tools

How the score is made up: 20 for evidence on its own site; 20 for how complete its published information is; 40 for fit to this ranking's criteria; 16 for buying information on its own site.

“Agents will research, build lists, write outreach, follow up, and book meetings — prompting you at all the key moments.”Apollo.io, own website
“4.7/5 based on 9,690 reviews | GDPR Compliant”Apollo.io, own website

#4 in Sales dialler software for small businesses

How the score is made up: 20 for evidence on its own site; 20 for how complete its published information is; 40 for fit to this ranking's criteria; 16 for buying information on its own site.

“Features Apollo MCP Integrations Waterfall Enrichment Deliverability Chrome Extension AI Assistant Apollo Profile Parallel Dialer”Apollo.io, own website
“Yes — Apollo is built to work for companies of all sizes.”Apollo.io, own website

#3 in Sales enablement software with HubSpot integration

How the score is made up: 20 for evidence on its own site; 20 for how complete its published information is; 40 for fit to this ranking's criteria; 16 for buying information on its own site.

“Apollo solves a critical need by consolidating the entire sales tech stack, providing RevOps teams with access to an award-winning database of 275+ million verified B2B contacts, along with sales intellig”Apollo.io, own website
“Apply now Featured partners Integration HubSpot HubSpot is a leading CRM platform that provides software and support to help businesses grow better.”Apollo.io, own website

#1 in SOC 2 compliant AI SDR tools

How the score is made up: 20 for evidence on its own site; 20 for how complete its published information is; 40 for fit to this ranking's criteria; 16 for buying information on its own site.

“Agents will research, build lists, write outreach, follow up, and book meetings — prompting you at all the key moments.”Apollo.io, own website
“Enterprise-grade security and certifications, including SOC 2 Type II and ISO 27001.”Apollo.io, own website

Alternatives to Apollo.io

Apollo.io alternatives, compared on best fit, price and score →

Cleanlist
The GTM playbook engine built on clean data
#2 in Best AI data enrichment tools94.0
Lusha
Simple B2B contact enrichment
#3 in Best AI data enrichment tools94.0
ZoomInfo
The go-to enterprise intelligence platform
#4 in Best AI data enrichment tools94.0
Surfe
Pipeline generation for GTM teams built on better data
#5 in Best AI data enrichment tools92.0
Highperformr AI
AI GTM Platform to find and engage high-intent prospects
#6 in Best AI data enrichment tools90.0
Persana
Scale your prospecting with AI agents
#7 in Best AI data enrichment tools90.0

Questions about Apollo.io

How much does Apollo.io cost?

Apollo.io's pricing, as Lister records it: Free.

Is Apollo.io free?

Yes. Its pricing reads: Free.

Who is Apollo.io best for?

Apollo.io is best for startups and mid-market outbound teams.

Where does Apollo.io rank?

Apollo.io is ranked #1 in Best AI data enrichment tools (Lister Score 96.0), #1 in AI conversation intelligence tools for small businesses (Lister Score 96.0), #1 in AI SDR tools for small businesses (Lister Score 96.0), #1 in AI SDR tools that integrate with HubSpot (Lister Score 96.0), #1 in GDPR compliant AI SDR tools (Lister Score 96.0), #1 in SOC 2 compliant AI SDR tools (Lister Score 96.0), #2 in AI sales enablement platforms for enterprises (Lister Score 96.0), #2 in AI sales enablement platforms that integrate with HubSpot (Lister Score 96.0), #2 in AI sales enablement platforms with a free trial (Lister Score 96.0), #2 in AI cold email platforms with a free trial (Lister Score 96.0), #2 in AI conversation intelligence tools that integrate with HubSpot (Lister Score 96.0), #2 in Conversation intelligence software for small businesses (Lister Score 96.0), #2 in Enterprise conversation intelligence software (Lister Score 96.0), #2 in Top 10 B2B Database Providers (Lister Score 92.7), #3 in Sales enablement software with HubSpot integration (Lister Score 96.0), #3 in Best cold email software (Lister Score 96.0), #4 in Sales dialler software for small businesses (Lister Score 96.0), #4 in Enterprise sales dialler software (Lister Score 96.0), #4 in Conversation intelligence software with HubSpot integration (Lister Score 96.0) and #7 in Top 10 AI Sales Email Generators (Lister Score 81.0).

What are the best alternatives to Apollo.io?

The closest alternatives on Lister are Cleanlist (#2 in Best AI data enrichment tools), Lusha (#3 in Best AI data enrichment tools) and ZoomInfo (#4 in Best AI data enrichment tools).

Where is Apollo.io based?

Apollo.io is headquartered in San Francisco, US, and was founded in 2015.

Add this badge to your site

If you work at Apollo.io, paste this code into your website to show where it ranks on Lister. The badge links to the ranking and updates within a day when the rank changes.

#1 in Best AI data enrichment tools
RANKED #1 ON LISTERBest AI Data Enrichment Tools
#1 in AI conversation intelligence tools for small businesses
RANKED #1 ON LISTERBest AI Conversation Intelligence Tools for Small…
#1 in AI SDR tools for small businesses
RANKED #1 ON LISTERBest AI SDR Tools for Small Businesses
#1 in AI SDR tools that integrate with HubSpot
RANKED #1 ON LISTERBest AI SDR Tools That Integrate with HubSpot
#1 in GDPR compliant AI SDR tools
RANKED #1 ON LISTERBest GDPR Compliant AI SDR Tools
#1 in SOC 2 compliant AI SDR tools
RANKED #1 ON LISTERBest SOC 2 Compliant AI SDR Tools
#2 in AI sales enablement platforms for enterprises
RANKED #2 ON LISTERBest AI Sales Enablement Platforms for Enterprises
#2 in AI sales enablement platforms that integrate with HubSpot
RANKED #2 ON LISTERBest AI Sales Enablement Platforms That Integrate with…
#2 in AI sales enablement platforms with a free trial
RANKED #2 ON LISTERBest AI Sales Enablement Platforms with a Free Trial
#2 in AI cold email platforms with a free trial
RANKED #2 ON LISTERBest AI Cold Email Platforms with a Free Trial
#2 in AI conversation intelligence tools that integrate with HubSpot
RANKED #2 ON LISTERBest AI Conversation Intelligence Tools That Integrate…
#2 in Conversation intelligence software for small businesses
RANKED #2 ON LISTERBest Conversation Intelligence Software for Small…
#2 in Enterprise conversation intelligence software
RANKED #2 ON LISTERBest Enterprise Conversation Intelligence Software
#2 in Top 10 B2B Database Providers
RANKED #2 ON LISTERBest B2B Database Providers
#3 in Sales enablement software with HubSpot integration
RANKED #3 ON LISTERBest Sales Enablement Software with HubSpot Integration
#3 in Best cold email software
RANKED #3 ON LISTERBest Cold Email Software
#4 in Sales dialler software for small businesses
RANKED #4 ON LISTERBest Sales Dialler Software for Small Businesses
#4 in Enterprise sales dialler software
RANKED #4 ON LISTERBest Enterprise Sales Dialler Software
#4 in Conversation intelligence software with HubSpot integration
RANKED #4 ON LISTERBest Conversation Intelligence Software with HubSpot…
#7 in Top 10 AI Sales Email Generators
RANKED #7 ON LISTERBest AI Sales Email Generators

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