Apollo.io
Find and contact prospects from a large B2B contact database with built-in outreach and engagement tools. Sales teams work from one platform instead of stitching data and sequencing together.
The verdict on Apollo.io: Sales teams building prospect lists and outreach sequences from verified contact data Apollo.io is the default tool to reach for once you've accepted that your outreach needs real contact data behind it, not just a sequencer. Pricing: Free / $49/user/mo Basic / $79/user/mo Professional.
Best For
Sales teams building prospect lists and outreach sequences from verified contact data
Standout Feature
A database of 275+ million contacts with enriched emails, phone numbers, and technographic data built in
TL;DR
The default sales prospecting tool once you need real contact data behind your outreach, not just a sequencer.
Alternatives
Fit Score: use-case reference
How this is scoredApollo.io scored 1 to 5 on five dimensions for the named use cases below. Part of our catalog-wide use-case reference, not a product-quality review rating.
Sales teams building prospect lists and outreach sequences from verified contact data
4.0/5- Capability
- 5/5
- Reliability
- 4/5
- Value
- 4/5
- Ease
- 3/5
- Compatibility
- 4/5
A 275M+ contact database with enriched emails, phone numbers, and technographic data plus a strong LinkedIn extension lets sales teams build lists and run sequences from one platform (standout, pros). Ease is capped because the UI can be overwhelming and data accuracy varies by industry (cons).
Teams that need consistently accurate contact data across every industry without spot-checking
2.8/5- Capability
- 3/5
- Reliability
- 2/5
- Value
- 3/5
- Ease
- 3/5
- Compatibility
- 3/5
Its own cons and ourTake flag that data accuracy varies by industry, and the free tier's actual purpose is to let you verify whether contact quality in your target market holds up before committing, meaning it can't be trusted blind across every vertical.
Editorial judgment grounded in this tool's own published pricing, features, and our existing pros and cons, not a certification or a measured benchmark. Product quality is assessed separately under our review methodology.
Overview
Not yet reviewedProduct quality is assessed from original evidence. How reviews work.
Apollo.io is a sales intelligence and engagement platform providing access to a database of 275+ million contacts and 60+ million companies with enriched data, email addresses, phone numbers, LinkedIn profiles, job titles, technologies used, and funding history, used by sales teams for prospect identification, list building, and outreach sequencing. The prospecting engine filters the database by virtually any combination of criteria: company size, industry, technology stack, growth signals, funding stage, geography, and job function. Apollo's email sequencing tool automates multi-step outreach to the resulting prospect lists, tracking opens, clicks, and replies and triggering follow-up steps based on engagement. The AI personalization layer generates customized first lines for each prospect based on their LinkedIn activity and company news.
Apollo's data enrichment API populates CRM records with current contact information for leads already in your pipeline. The Chrome extension surfaces Apollo data on any LinkedIn profile, showing verified emails and company information without leaving the platform. Free plans provide limited monthly credits for email lookups and exports. Paid plans start at $49/month per user for the Basic tier.
Apollo is most valuable to outbound-heavy B2B sales teams where contact data quality and enrichment speed are direct levers on prospecting efficiency.
The source of the legacy catalog rating and review count has not been substantiated. Neither is presented here as a verified review rating or included in review structured data.
Workflow Fit Scores are separate, use-case-specific editorial judgments, not user-review averages. Read the Fit Score methodology.
- • Massive verified contact database
- • sequence personalization
- • Strong LinkedIn extension
- • Good free tier for prospecting
- • Data accuracy varies by industry
- • Can get expensive for full features
- • UI can be overwhelming
Key Features
- 275M+ contact database
- AI email sequences
- Conversation intelligence
- Lead scoring
- CRM integration
Trust & Data
Verified 2026-08
- Training on your data
- YesApollo's own AI policy states it develops proprietary machine learning models and may use customer data as input to train those internal models for more accurate recommendations, run only on Apollo's own infrastructure. Data sent to third-party AI providers for specific features is not used for training without first disclosing it to customers and obtaining consent, and is deleted from those platforms within 30 days; data flowing through a customer's own AI integrations is not used for Apollo's training at all.
- Compliance
- ISO 27001, SOC 2 Type 2, GDPR
- Retention
- Apollo states it retains personal information for a period consistent with the purpose it was collected for, unless a deletion request is submitted, with specific durations governed by contract; data sent to third-party AI providers is deleted from those platforms within 30 days.
- Export
- Not published
Sources: apollo.io/privacy policy, apollo.io/ai policy, apollo.io/security, trust.apollo.io
As published by the vendor. Verify independently before purchase decisions.
Our Take
The 275-plus million contact database with enriched emails, phone numbers, and technographic data lets sales teams build prospect lists and run sequences from the same platform rather than stitching a data provider to a separate tool. Data accuracy varies by industry, which is the real caveat to test before committing. The free tier gives enough access to verify whether contact quality in your target market holds up. Once it does, moving to a paid plan is the straightforward next step.
Workflows Using This Tool
Step-by-step playbooks whose entries name Apollo.io. The step shown is where the workflow uses it.
- IntermediateOne-time setup: 3 hrs to set up. Planning estimate from the workflow entry, not measured time saved.
Automate Sales Prospecting from List to Personalized Outreach
Step 1 of 5: Build your target account list
- AdvancedOne-time setup: 5–8 hours to configure. Planning estimate from the workflow entry, not measured time saved.
End-to-End Sales Pipeline Automation
Step 1 of 5: Source and score prospects
- IntermediateEstimate: 3–5 hrs. Planning estimate from the workflow entry, not measured time saved.
Build a Cold Email Campaign from Scratch
Step 1 of 5: Define and Source Your List
- IntermediateOne-time setup: 2–3 hrs setup. Planning estimate from the workflow entry, not measured time saved.
Automate CRM Data Enrichment
Step 2 of 5: Connect Apollo or Clay
6 workflows in the catalog name Apollo.io; the first 4 in catalog order are shown, with step-level mentions first.
From the Blog
Coverage and comparisons that mention Apollo.io.