Overview
Apollo is a sales platform that combines a B2B contact and company database with tools for prospecting, email sequences, dialing and data enrichment. It includes email deliverability tools, buying signals, an AI assistant and a Chrome extension. It is aimed at sales reps, sales leaders, RevOps teams and marketers at small, mid-market and enterprise companies.
Label: Vendor-described — Captured from the vendor's own materials. Not independently verified.
Best for
- Sales reps and small teams building B2B prospect lists and outbound sequences
- Teams replacing pricier data tools like ZoomInfo
Key features
- B2B database of about 240M contacts and 30M companies
- Email sequences and sales engagement
- Parallel dialer
- Waterfall data enrichment
- AI agents for research, outreach and meeting booking
- Chrome extension and 200+ integrations
What it does
- Searchable B2B contact and company database
- Email sequencing and outbound campaigns
- Parallel dialer and call recording
- Waterfall data enrichment
- Email deliverability tools such as domain warming and inbox rotation
- Buying signals such as job changes and website visits
Use cases
- Find B2B leads and run cold email outreach — Searchable B2B contact database with sequences, a dialer and data enrichment.
Drawbacks & cautions
- Free plan can connect Gmail accounts only
- Credits are pooled per billing cycle and do not roll over; extra credits are a paid add-on
- Pricing page lists API access, SSO and advanced security under the Custom plan
What users say
Across Capterra and Trustpilot, users value Apollo's all-in-one prospecting and filters at a lower price than rivals. Recurring complaints are data accuracy, the credit system and hard-to-reach support.
What people like
- Search, contact data, sequences and CRM sync in one platform capterra.com, uk.trustpilot.com
- Detailed filters by industry, size and title make targeted lead lists quick to build capterra.com, uk.trustpilot.com
- More affordable than alternatives like ZoomInfo for the data provided capterra.com, uk.trustpilot.com
Common complaints
- Contact data, especially phone numbers and non-US records, is often outdated or wrong capterra.com
- Credits run out fast and unexpected credit charges or refused refunds are reported capterra.com, uk.trustpilot.com
- Support is hard to reach or feels scripted capterra.com, uk.trustpilot.com
- Interface can feel cluttered at first, with occasional sync and sending glitches capterra.com, uk.trustpilot.com
Scores are shown as each site published them on the date checked. They come from those sites' reviewers, not from us, and they never affect our rankings. Ratings based on fewer than 10 reviews are left out. The summaries are our own words, gathered Oct 22, 2026; follow the links to read the reviews.
Alternatives
- Copy.ai — GTM AI platform for sales and marketing workflows, agents, chat and content creation
- Instantly — Cold email outreach platform with email warmup, B2B lead database, CRM and AI reply agents
- Smartlead — Cold email platform with unlimited mailboxes, warmup, inbox rotation and a unified reply inbox
- lemlist — Cold outreach platform for email, LinkedIn and calling sequences with lead database and deliverability tools
Evidence
| Fact | Label | Source | Observed |
|---|---|---|---|
| capabilities | Vendor-described | www.apollo.io | Oct 17, 2026 |
| hasApi | Vendor-described | docs.apollo.io | Oct 17, 2026 |
| integrations | Vendor-described | www.apollo.io | Oct 17, 2026 |
| pricing | Vendor-described | www.apollo.io | Oct 17, 2026 |
| pricing | Vendor-described | www.apollo.io | Oct 17, 2026 |
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