Apollo.io vs Seamless.AI
Apollo.io focuses on outbound prospecting and email sequences. Seamless.AI is built for ai-powered contact finding and email verification. Different tools, different use cases — here's how they compare.
Choose Apollo.io if…
- You're building outbound lists from scratch using ICP filters
- You want email sequencing and prospecting in one platform
- You have a limited budget and need the most contacts for the price
Choose Seamless.AI if…
- You want AI-assisted contact finding with continuous data verification
- You need direct dial phone numbers at scale
- You want integration with Salesforce and HubSpot for prospecting workflows
Apollo.io vs Seamless.AI — Feature comparison
| Feature | Apollo.io | Seamless.AI |
|---|---|---|
| Category | Prospecting database | Contact finder |
| Primary use case | Outbound prospecting and email sequences | AI-powered contact finding and email verification |
| Data freshness | Database — periodic refresh | Database — periodic refresh |
| Data depth | High | High |
| GDPR compliance | Claimed , US infra | Claimed , US infra |
| Pricing tier | Free tier + from $49/month | From $147/month |
| Free plan | Yes — limited | No |
Different tools for different jobs
Apollo.io is built for outbound prospecting and email sequences. Apollo.io is a B2B sales intelligence platform combining a 275M+ contact database with email sequencing, AI prospecting, and CRM integrations.
Seamless.AI serves a different purpose: ai-powered contact finding and email verification. Seamless.AI is a B2B sales intelligence platform using AI to provide real-time contact data, verified emails, and direct dials for sales teams.
💶 Pricing comparison
Both Apollo.io (Free tier + from $49/month) and Seamless.AI (From $147/month) are in a similar pricing tier.
20–30% of B2B contacts change roles every year. Neither Apollo.io nor Seamless.AI is designed to continuously monitor your existing CRM for job changes and update records automatically — that's a different tool category.
🇪🇺 GDPR and data compliance
Neither Apollo.io nor Seamless.AI has a particularly strong GDPR documentation posture — both rely on US infrastructure.
For European teams or those with EU customers requiring documented sub-processor chains, the compliance posture of your enrichment vendor matters. Make sure to request a DPA and sub-processor list before committing.
Frequently asked questions
Which is better, Apollo.io or Seamless.AI?
Apollo.io and Seamless.AI target different use cases. Apollo.io focuses on outbound prospecting and email sequences, while Seamless.AI is built for ai-powered contact finding and email verification. The best choice depends on your team's primary need. For CRM data quality and real-time enrichment, consider Enrich-CRM as a complementary or alternative tool — GDPR-native, from €29/month.
How do Apollo.io and Seamless.AI compare on pricing?
Apollo.io is priced at Free tier + from $49/month. Seamless.AI is priced at From $147/month. Both are similarly priced. Enrich-CRM starts at €29/month with a free plan (100 credits/month, no card required).
Do Apollo.io and Seamless.AI integrate with HubSpot?
Apollo.io HubSpot integration: basic sync possible. Seamless.AI HubSpot integration: basic sync possible. Enrich-CRM integrates natively with all HubSpot plans, writing enriched data directly to CRM fields.
What is the best alternative to both Apollo.io and Seamless.AI?
If your primary goal is maintaining accurate CRM data over time — job changes, current titles, company data — Enrich-CRM is a focused alternative. It uses live lookups (not a database), runs on EU servers (AWS Paris), includes job change monitoring and intent signals, and starts at €29/month with a free tier.
Enrich-CRM — real-time CRM enrichment for your existing contacts
Apollo.io and Seamless.AI are both data tools. Enrich-CRM does something different: it enriches the contacts you already have in your CRM — in real-time, continuously, from the live web. Proprietary LLM on AWS EU Paris (no OpenAI, no Anthropic). 250+ company datapoints, 50+ contact datapoints, continuous job change detection, intent signals. Native HubSpot integration, plus Clay, Salesforce, Zapier, Make, n8n, CSV, and API.
From €29/month, 100 free credits, no annual contract. Full DPA and sub-processor documentation at our Trust Center.