Apollo.io
Data-first sales engagement
Ranked #1 in AI SDR tools that integrate with HubSpot, and on 4 more rankings.
Apollo.io is an AI tool at 415 Mission St, Floor 37, 94105, San Francisco, US.
An all-in-one sales engagement platform that combines a massive B2B contact database with built-in email sequencing.
At a glance
| Address | 415 Mission St, Floor 37, 94105, San Francisco, US |
| Price from | Free |
| Best for | Startups and mid-market outbound teams |
From Apollo.io's own website.
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 |
Facilities and features
Its website also mentions:
- Published pricing
- Self-serve sign-up
- API
- Integrations
- SOC 2
- GDPR
What stands out
The product 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 product offers more than 200 integrations to connect existing tools.
“200+ integrations to connect the tools you already use Explore our Execution layer”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
How it ranks
Apollo.io is ranked 1st of 10 in AI SDR tools that integrate with HubSpot (Lister Score 96.0), 1st of 10 in GDPR compliant AI SDR tools (Lister Score 96.0), 1st of 10 in SOC 2 compliant AI SDR tools (Lister Score 96.0), 2nd of 10 in AI cold email platforms with a free trial (Lister Score 96.0) and 2nd of 10 in AI conversation intelligence tools that integrate with HubSpot (Lister Score 96.0).
#1 in AI SDR tools that integrate with HubSpot · Lister Score 96.0
Apollo.io is an AI go-to-market system for sales and marketing teams. It unifies data, intelligence, and execution into one connected platform.
Apollo.io is an AI go-to-market system for sales and marketing teams.
How the score is made up: fit to this ranking's criteria 40; evidence on its own site 20; how complete its published information is 20; buying information on its own site 16.
“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
| Rank | AI SDR tools that integrate with HubSpot | Score |
|---|---|---|
| 1 | Apollo.io | 96.0 |
| 2 | Seamless.ai | 96.0 |
| 3 | Knock Knock App | 92.0 |
| 4 | Oppora AI | 92.0 |
| 5 | Reply.io | 90.0 |
| 6 | Valley | 90.0 |
| 7 | Warmly | 90.0 |
| 8 | Salesgear | 86.0 |
| 9 | Seleqt | 86.0 |
| 10 | EverWorker | 84.0 |
#1 in GDPR compliant AI SDR tools · Lister Score 96.0
Apollo.io is an AI go-to-market system for sales and marketing teams. It unifies data, intelligence, and execution into one connected platform.
Apollo.io is an AI go-to-market system for sales and marketing teams.
How the score is made up: fit to this ranking's criteria 40; evidence on its own site 20; how complete its published information is 20; buying information on its own site 16.
“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
| Rank | GDPR compliant AI SDR tools | Score |
|---|---|---|
| 1 | Apollo.io | 96.0 |
| 2 | FinalScout | 94.0 |
| 3 | Oppora AI | 92.0 |
| 4 | Skyp | 90.0 |
| 5 | Warmly | 90.0 |
| 6 | Artisan | 88.0 |
| 7 | myuser.com | 88.0 |
| 8 | Rox | 88.0 |
| 9 | PowerDialer.ai | 86.0 |
| 10 | Leadscraper | 84.0 |
#1 in SOC 2 compliant AI SDR tools · Lister Score 96.0
Apollo.io is an AI go-to-market system for sales and marketing teams. It unifies data, intelligence, and execution into one connected platform.
Apollo.io is an AI go-to-market system for sales and marketing teams.
How the score is made up: fit to this ranking's criteria 40; evidence on its own site 20; how complete its published information is 20; buying information on its own site 16.
“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
| Rank | SOC 2 compliant AI SDR tools | Score |
|---|---|---|
| 1 | Apollo.io | 96.0 |
| 2 | Civic | 90.0 |
| 3 | Highperformr AI | 90.0 |
| 4 | 11x | 88.0 |
| 5 | Artisan | 88.0 |
| 6 | myuser.com | 88.0 |
| 7 | Rox | 88.0 |
| 8 | KnowledgeNet.ai | 86.0 |
| 9 | Lavender | 86.0 |
| 10 | Vambe AI | 86.0 |
#2 in AI cold email platforms with a free trial · Lister Score 96.0
Apollo.io is an AI go-to-market system for sales and marketing teams. It unifies data, intelligence, and execution into one connected platform.
Apollo.io is an AI go-to-market system for sales and marketing teams.
How the score is made up: fit to this ranking's criteria 40; evidence on its own site 20; how complete its published information is 20; buying information on its own site 16.
“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
| Rank | AI cold email platforms with a free trial | Score |
|---|---|---|
| 1 | Lemlist | 98.0 |
| 2 | Apollo.io | 96.0 |
| 3 | Snov.io | 92.0 |
| 4 | Copy.ai | 90.0 |
| 5 | Quillry | 88.0 |
| 6 | Saleshandy | 88.0 |
| 7 | Lavender | 86.0 |
| 8 | Smartwriter.ai | 86.0 |
| 9 | WriteMail.ai | 86.0 |
| 10 | Scribbly | 84.0 |
#2 in AI conversation intelligence tools that integrate with HubSpot · Lister Score 96.0
Apollo.io is an AI go-to-market system for sales and marketing teams. It unifies data, intelligence, and execution into one connected platform.
Apollo.io is an AI go-to-market system for sales and marketing teams.
How the score is made up: fit to this ranking's criteria 40; evidence on its own site 20; how complete its published information is 20; buying information on its own site 16.
“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
| Rank | AI conversation intelligence tools that integrate with HubSpot | Score |
|---|---|---|
| 1 | Chorus by ZoomInfo | 98.0 |
| 2 | Apollo.io | 96.0 |
| 3 | Avoma | 96.0 |
| 4 | Fireflies.ai | 96.0 |
| 5 | Grain | 96.0 |
| 6 | Otter.ai | 90.0 |
| 7 | Trellus | 90.0 |
| 8 | Pepsales AI | 88.0 |
| 9 | Rafiki AI | 88.0 |
| 10 | TwinsAI | 84.0 |
Frequently asked questions
Where is Apollo.io?
Apollo.io is at 415 Mission St, Floor 37, 94105, San Francisco, US.
How does Apollo.io rank on Lister?
Apollo.io is ranked 1st of 10 in AI SDR tools that integrate with HubSpot (Lister Score 96.0), 1st of 10 in GDPR compliant AI SDR tools (Lister Score 96.0), 1st of 10 in SOC 2 compliant AI SDR tools (Lister Score 96.0), 2nd of 10 in AI cold email platforms with a free trial (Lister Score 96.0) and 2nd of 10 in AI conversation intelligence tools that integrate with HubSpot (Lister Score 96.0).