
Apollo.io
Apollo.io combines a B2B contact database of over 200 million profiles with sequences for outbound prospecting.
Apollo.io is the shortcut in outbound sales: a database with over 200 million B2B contacts, along with the tools to reach out to these contacts directly. It effectively replaces two tools at once: the data provider and the sequence software.
The typical workflow: narrow down target customers using filters, for example, marketing managers in German e-commerce companies with 20 to 200 employees, extract verified email addresses, and start a sequence with three to four touchpoints. The Chrome extension also provides contact data directly on LinkedIn profiles.
ZoomInfo has a deeper database in the US but costs significantly more. Lemlist or Instantly are purely outreach tools without their own database. Apollo's weakness lies in its DACH region data: phone numbers and some email addresses are sparser here than in the US, so spot checks before large campaigns are mandatory. Additionally, there's the legal aspect: cold outreach via email in Germany requires a solid justification in a B2B context.
For sales teams that systematically conduct outbound activities and want lists plus outreach from a single source. If you only occasionally look for individual contacts, LinkedIn search and an email finder will be more affordable.
Functions
- Database and outreach in one tool, instead of a purchased list and a separate mailing tool
- Intent data and signals, such as job changes or hiring waves
- AI assistance for writing initial outreach and follow-ups
- Dialer for calls directly from the platform
- Free plan to test the data quality for your target audience
Core Functions
- B2B database with over 200 million contacts and company profiles
- Search filters by industry, size, technology stack, job title, and funding
- Email sequences with automated follow-ups
- Chrome extension for contact data directly on LinkedIn
- Enrichment of existing CRM data via API or CSV
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Apollo.io

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