Comparison · Last updated August 2026
Apollo.io vs Seamless.AI
Apollo.io vs Seamless.AI compared on pricing, features and fit. Independent August 2026 review from ToolChase.
Quick specs
| Apollo.io | Seamless.AI | |
|---|---|---|
| ToolChase score | 4.6/5 | 4.2/5 |
| Pricing model | Freemium | Freemium |
| Entry pricing | Free (10K credits/mo) / Basic $49/mo / Professional $79/mo / Organization $119/mo Report incorrect pricing | Not stated |
| Category | Marketing | Sales |
What each tool is
Apollo.io
Apollo.io is a B2B sales intelligence and engagement platform with a database of 275M+ contacts and 73M+ companies. It combines prospecting, outreach sequencing, deal management, and analytics in one platform. The free tier includes 10,000 email credits per month and basic search. Apollo's prospecting engine lets you filter contacts by job title, company size, industry, technology stack, funding stage, and dozens of other criteria. Once you build a list, you can launch multi-step email sequences directly from the p
Seamless.AI
Seamless.AI is an AI-driven B2B prospecting platform that builds verified email addresses and direct-dial phone numbers in real time, instead of serving them from a static contact database. When you search for a prospect, Seamless's generative search engine assembles, validates and scores the contact at query time. That distinction matters: legacy providers like ZoomInfo and Apollo.io rely on database refresh cycles that often lag behind job changes, while Seamless re-derives the contact each time you ask. The prod
Pricing compared
Apollo.io: Free (10K credits/mo) / Basic $49/mo / Professional $79/mo / Organization $119/mo Report incorrect pricing
Seamless.AI: Our review of this product does not list public pricing. Vendors in this category commonly quote on request, so contact them for a figure.
Pricing verified August 2026. Vendors change tiers often, so confirm on the official pricing pages before purchase.
Key features
Apollo.io
- Contact database (275M+ contacts)
- Email sequencing
- LinkedIn integration
- Intent data & buying signals
- CRM enrichment
- Conversation intelligence
- Deal management
Seamless.AI
- Real-time AI verification of every contact at query time
- Verified emails and direct-dial phone numbers
- Buyer Intent signals to surface in-market accounts
- CRM sync with Salesforce, HubSpot, Outreach, Salesloft and Pipedrive
- Chrome extension on LinkedIn profiles and company sites
- Pitch Intelligence buyer-research and account-context layer
- Job Changes alerts that trigger when a target prospect moves company
- Data Enrichment for inbound leads and CRM hygiene
Pros and cons
Apollo.io
Strengths
- Massive contact database
- Generous free tier
- All-in-one platform
- Affordable vs competitors
Limitations
- Data accuracy varies
- Email deliverability can be inconsistent
- Learning curve for advanced features
Seamless.AI
Strengths
- Real-time search reduces stale-data risk versus database providers
- Genuinely free plan with 50 credits and full CRM integrations
- Premium integrations included on every tier, not gated behind Pro
- Confidence scores let reps filter low-quality lookups before contacting
- Chrome extension on LinkedIn profiles is fast and removes copy-paste workflow
- Pitch Intelligence delivers buyer context without leaving the platform
Limitations
- Credit-based limits can deplete fast on the free tier with imprecise targeting
- Data-quality variance: real-time search occasionally returns lower-confidence results than refreshed databases
- Pro and Enterprise pricing not published, friction during procurement and budgeting
- Requires CRM integration for full value; standalone use leaves automation on the table
- Less firmographic depth than ZoomInfo for org charts and technographics
- API is a Pro add-on, not a Pro inclusion, increases sticker shock for developer-led use cases
Which should you choose?
Choose Apollo.io if these matter most to you: Massive contact database; Generous free tier. Our review lists it as a fit for: SDRs, sales teams, and startups who need affordable B2B prospecting with built-in outreach
Choose Seamless.AI if these matter more: Real-time search reduces stale-data risk versus database providers; Genuinely free plan with 50 credits and full CRM integrations. Our review lists it as a fit for: Outbound SDR and BDR teams. The core sweet spot. Reps who run high-volume cold outreach and have lost deals to stale data from a database provider get the most value from Seamless's real-time search. The Chrome-on-LinkedIn workflow is fast, the free plan is enough to evaluate without procurement, and one-click push-to-CRM removes the copy-paste tax that compounds across hundreds of touches per week.
Still unsure? See every option ranked in Apollo.io alternatives and Seamless.AI alternatives.
Frequently asked questions
Is Apollo.io or Seamless.AI cheaper?
Apollo.io: Free (10K credits/mo) / Basic $49/mo / Professional $79/mo / Organization $119/mo Report incorrect pricing. Seamless.AI: pricing is not published on the vendor site. Check both vendor pricing pages before buying, since tiers change often.
What pricing model do Apollo.io and Seamless.AI use?
We list Apollo.io as Freemium and Seamless.AI as Freemium. The tier detail above is taken from each vendor's own pricing page as at August 2026.
Which is better, Apollo.io or Seamless.AI?
Neither wins outright. On our August 2026 review Apollo.io scores 4.6/5 and Seamless.AI scores 4.2/5, and the right pick depends on the use case set out above. Both entries are independently reviewed.