Apollo.io: complete guide to the B2B database in 2026

Apollo.io at a glance: what it is and who it's for

Apollo.io is a B2B sales platform that combines a database of over 400 million contacts, an integrated CRM and cold email sequences in a single tool. The free plan includes 75 credits a month and paid plans start at 49 dollars per user. Ideal for sales teams.

What is Apollo.io

Apollo.io is the leviathan of sales intelligence. It was founded in 2015 in San Francisco and today it describes itself as one of the most widely used B2B sales platforms in the world. Its ambition is simple to sum up. That you don't need to buy a database on one side, a CRM on another and an email tool on a third. Apollo brings everything together on a single screen.

You search contacts, verify emails, build sequences, manage the pipeline and make calls without leaving the platform. Nobody else does that in its price range. The question is whether so much concentration works or whether you end up paying for modules you don't use. I've spent months testing it with real accounts and I'll tell you in advance that the answer is more nuanced than it looks.

What Apollo.io is for

Apollo serves four big purposes.

The first is finding contacts. Its database has over 400 million professionals and tens of millions of companies, with direct emails, phone numbers and employment data. The filters are among the most complete I've tried. Role, industry, company size, technology they use, location, headcount growth. In five minutes you pull every marketing director at SaaS companies with 50 to 200 employees in Spain, with their corporate email.

The second is enriching your own lists. You upload a CSV with 1,000 companies and Apollo fills in the missing contacts using multiple sources, what they call waterfall enrichment. The quality of the result shows, although it's worth verifying the important emails before a big campaign.

The third is cold email. Apollo includes multichannel sequences with emails, calls and tasks, automatic follow-ups and warmup included in the paid plans. It's not as fine as a specialized tool, but it covers 90 percent of cases. If you've never done this, my article on cold email gives you the context you need.

The fourth is the CRM. It's simpler than Salesforce, but it does the job. You manage leads, opportunities, pipeline stages and basic automations. For a small team that doesn't want to assemble a stack of five tools, it's a very solid argument.

How Apollo.io works

The usual workflow in Apollo is this.

You start in the contact search. You build your search with the filters, see the results with their match score and their valid email probability, and save the ones that interest you to a list. Every time you look up an email or a phone number, you spend a credit. It's important to be clear about that from day one.

Then you move to sequences. You create a campaign, assign it the lead list and Apollo sends the emails with your scheduled follow-ups. The deliverability module includes automatic warmup for your accounts and metrics on which emails reach the inbox.

Meanwhile, the CRM records all the activity. When a lead replies, they move through your pipeline. You can add tasks, log calls and leave notes. Everything stays in the same place, which is exactly the tool's promise.

On top of all that sits the AI layer. Apollo has an assistant that researches accounts, scores leads and automates entire prospecting tasks with its Agentic Loops. It works reasonably well, but don't expect magic. It's still an aid to do faster what you already know how to do.

How much Apollo.io costs in 2026

These are the official prices from the Apollo website as of August 2026. With annual billing you save 29 percent.

With monthly billing prices go up to 69, 99 and 149 dollars. The Organization plan is annual only and has a three-user minimum, so even if you only need two accounts you pay 357 dollars a month. The Basic and Professional plans have a 14-day trial, enough to build a real campaign.

The detail that scares people the most is the credit system. Looking up an email costs credits, exporting a contact costs credits, enriching a CSV costs credits. Sequences, the CRM and sending cost nothing. On the free plan, 75 credits disappear in a blink. That's why Apollo's free tier is for evaluating the tool, not for real prospecting.

Is Apollo.io worth it?

If you sell to companies and work with volume, yes. For 49 dollars a month you get a database that four years ago cost four figures, and on top of that with sequences, warmup and CRM included. It's the best value for money in the B2B data market in 2026, well ahead of the corporate alternatives that cost thousands of dollars a year.

When not? If you're a freelancer prospecting mostly on LinkedIn, Apollo is too big for you and will trip you up more than it helps. There Waalaxy wins, cheaper and more direct. I have it analyzed in my Waalaxy vs Apollo comparison. And if you only need to find one specific person's email every now and then, you don't need a 400 million database, a search tool like Hunter is enough. I compare them in my list of best tools for finding emails.

Pros and cons of Apollo.io

The good:

• Huge database with very powerful filters.
• All in one, data, email, CRM and calls.
• Unbeatable price compared with corporate suites.
• Free plan to test without paying.
• The AI is advancing fast and is already useful day to day.

The bad:

• The credit system confuses and runs out fast.
• Technical support is weak, the most repeated complaint among users.
• The learning curve is steep. The tool overwhelms at first.
• The CRM falls short if the team grows a lot.
• The free plan doesn't support real prospecting.

Tips before you start

If you open an account, listen to me on three things. Don't export whole lists on day one, credits fly and then you're left with no room to test. Use waterfall enrichment for your own lists before launching campaigns, because your own data is usually better quality than mass data. And always verify critical emails. Even though Apollo has its own verification, running the important contacts through an external verifier saves you bounces and reputation problems. If you're going to set up cold email, I recommend reading my guide on how to warm up a domain first.

My verdict

Apollo.io is the most sensible option in the B2B data market in 2026. For the price of the Basic plan you get volume, email and CRM in one place. It's not for everyone, the learning curve and the credits demand patience, but for a structured sales team it pays for itself with the first leads you find.

My practical advice. Open the free account, search your market with the filters and check the data quality. If it convinces you, the annual Basic plan is the best price and feature combination right now.

See Apollo.io plans