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The sales database that grew sequences and AI: find the person, write the line, send — Clay's more all-in-one cousin for teams that will not stitch ZoomInfo plus Outreach.

Product preview

www.apollo.io
Preview of Apollo

Overview

Apollo is the sales stack in one login: data, sequence, AI line. Clay is the enrichment worksheet; Instantly is the sender; this tries to be both. Data quality is the fight. Credits vanish. For a team that will not buy ZoomInfo plus Outreach, it is the default. For a data team that wants a worksheet, Clay still wins.

Pros / Cons

Pros

  • Data plus sequence in one product
  • AI lines without a second writer
  • Chrome find-and-add
  • Freemium door into B2B contacts

Cons

  • Data quality is the usual fight
  • Credits vanish on real volume
  • Not Clay if you want a worksheet OS

Who it's for

01

Finding and sequencing a persona in one tab

02

AI first-lines on Apollo data

03

Skipping ZoomInfo plus Outreach

04

Chrome prospecting into a sequence

Bottom line

The all-in-one sales tab — buy Apollo to avoid two vendors, buy Clay if the worksheet is the product.

Key Features

B2B contacts and emails
Sequences and dialer
AI email drafts
Chrome extension
Freemium data plus paid seats

Tags

ProspectingSequencesB2B

Compare Apollo with alternatives

Frequently asked questions

What is Apollo?

Apollo is a Productivity tool developed by Apollo.io. The company was founded in 2015 and is headquartered in Covina, USA. The sales database that grew sequences and AI: find the person, write the line, send — Clay's more all-in-one cousin for teams that will not stitch ZoomInfo plus Outreach.

Is Apollo free?

Apollo uses a freemium model: a free tier is available, and paid plans unlock more usage and advanced features.

Is Apollo open source?

No — Apollo is proprietary software.

What are the best alternatives to Apollo?

Notable Productivity alternatives include Notion AI, Grammarly, Canva AI. Browse all 4 tools in our Productivity category for a full overview.

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Basic Info

Pricing
Freemium
Rating
4.4 (8,900 reviews) Ratings explained
Platforms
WebAPIChrome
Founded
2015
Headquarters
Covina, USA
Last verified
2026-09-11