Apollo.io
Data-first sales engagement
An all-in-one sales engagement platform that combines a massive B2B contact database with built-in email sequencing.
| Pricing from | Free |
| Best for | Startups and mid-market outbound teams |
| Website | www.apollo.io |
Company facts
| Founded | 2015 |
| Headquarters | San Francisco, US |
| Employees | 501 to 1,000 |
| Industry | Information technology industry |
| Social profiles | LinkedIn, 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
Best AI data enrichment tools
1Sales dialler software for small businesses
1AI conversation intelligence tools for small businesses
1AI sales enablement platforms for enterprises
1AI SDR tools for small businesses
1AI sales enablement platforms that integrate with HubSpot
1AI sales enablement platforms with a free trial
1Enterprise sales dialler software
1AI cold email platforms with a free trial
1AI conversation intelligence tools that integrate with HubSpot
1AI SDR tools that integrate with HubSpot
1GDPR compliant AI SDR tools
1SOC 2 compliant AI SDR tools
1Conversation intelligence software for small businesses
1Conversation intelligence software with HubSpot integration
1Enterprise conversation intelligence software
1Sales enablement software with HubSpot integration
1Best cold email software
1Top 10 AI Sales Email Generators
1Top 10 B2B Database Providers
1Top rankings in Data enrichment tools
- AI data enrichment tools with a free plan
- AI data enrichment tools with a free trial
- AI data enrichment tools for small businesses
- AI data enrichment tools with a Chrome extension
- AI data enrichment tools that integrate with HubSpot
- AI data enrichment tools that integrate with Salesforce
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 →
The GTM playbook engine built on clean data | #2 in Best AI data enrichment tools | 94.0 |
Simple B2B contact enrichment | #3 in Best AI data enrichment tools | 94.0 |
The go-to enterprise intelligence platform | #4 in Best AI data enrichment tools | 94.0 |
Pipeline generation for GTM teams built on better data | #5 in Best AI data enrichment tools | 92.0 |
AI GTM Platform to find and engage high-intent prospects | #6 in Best AI data enrichment tools | 90.0 |
Scale your prospecting with AI agents | #7 in Best AI data enrichment tools | 90.0 |
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.
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#1 in Best AI data enrichment tools
#1 in AI conversation intelligence tools for small businesses
#1 in AI SDR tools for small businesses
#1 in AI SDR tools that integrate with HubSpot
#1 in GDPR compliant AI SDR tools
#1 in SOC 2 compliant AI SDR tools
#2 in AI sales enablement platforms for enterprises
#2 in AI sales enablement platforms that integrate with HubSpot
#2 in AI sales enablement platforms with a free trial
#2 in AI cold email platforms with a free trial
#2 in AI conversation intelligence tools that integrate with HubSpot
#2 in Conversation intelligence software for small businesses
#2 in Enterprise conversation intelligence software
#2 in Top 10 B2B Database Providers
#3 in Sales enablement software with HubSpot integration
#3 in Best cold email software
#4 in Sales dialler software for small businesses
#4 in Enterprise sales dialler software
#4 in Conversation intelligence software with HubSpot integration
#7 in Top 10 AI Sales Email Generators
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