In 2025, sales intelligence platforms like ZoomInfo and Seamless.ai are very important for B2B sales and marketing teams. They make lead generation easier and help increase revenue. ZoomInfo is famous for having a large database and strong analytics. In contrast, Seamless.ai uses AI to offer real-time contact data at a lower cost. Choosing between them depends on your business size, budget, and specific needs. This article compares ZoomInfo vs Seamless.ai. It examines data quality, features, pricing, integrations, user experience, and more. This information will assist you in making an informed decision.
You can go to the data enrichment tools section on our website. There, you can look for and pick the best choice for your business :)
ZoomInfo: Best for Sales Intelligence
ZoomInfo is a leading platform for sales intelligence in B2B. It provides detailed information about companies and their contacts. It also includes intent data and advanced analytics. With over 321 million contacts and 14 million companies in its database, it helps sales, marketing, and operations teams find the right customers with ease. Its powerful features, like WebSight Buyer ID and ZoomInfo Copilot, make it a favorite choice for businesses looking for deep insights.
ZoomInfo changes sales strategies by giving helpful data and market insights. Its Chorus feature examines customer interactions. Many integrations enhance CRM workflows. ZoomInfo offers a user-friendly and strong interface. This makes it a great choice for businesses that want to improve their go-to-market strategies.
Quick Fact: ZoomInfo's Community Edition allows over 1 million sales professionals to contribute their B2B contact lists in exchange for free access, creating a crowdsourced approach that continuously enhances its database with fresh and diverse data.
Source: ZoomInfo Data
Pricing plans start at about $15,000 a year. You can also try a free trial. If you want more features and credits, you can pick the Advanced plan for $25,000 each year or the Elite plan for $40,000 a year from Fifty Five and Five.
Pros:
A full database that has over 95% accuracy.
It includes advanced features like intent data and organization charts.
It links with more than 350 tools.
It is ideal for large businesses.
Cons:
The high cost might be too much for small businesses.
A new user may find the learning process difficult.
It can be overwhelming for teams that need simple tools.
Comparison to Seamless.ai: ZoomInfo offers more detailed information and has advanced features compared to Seamless.ai. This is great for complex sales strategies. But it also costs more and can be more difficult to use. This may not be ideal for smaller teams that want something cost-effective and easy to manage.
Seamless.ai: Best for Affordable Real-Time Lead Generation
Seamless.ai is a sales platform that uses AI. It provides real-time information about contacts and companies. It has more than 1.3 billion contacts and 121 million companies available. Brandon Bornancin is the co-founder of Seamless.ai. This platform is perfect for sales, marketing, and recruiting teams that want affordable lead generation. Its AutoPilot feature helps you automate outreach. It also connects with tools like Salesforce and HubSpot to simplify your work.
Seamless.ai offers a simple interface and gives instant data updates. This makes it friendly for new users. However, in March 2025, LinkedIn removed the Seamless.ai company page due to policy violations related to data scraping. Even so, its Chrome extension continues to work. This raises questions about how reliable the data is, and we will talk more about this later.
Quick Fact: Seamless.ai’s AI-powered engine processes billions of public web pages daily, automatically verifying over 800 million contact profiles in real time to deliver up-to-date leads, reducing the need for manual research.
Source: Seamless.ai
Pricing: You can start with a free plan that gives you 50 credits. The Basic plan costs $147 each month and offers 250 credits. There are also custom Pro or Enterprise options available with Revenue Reveal.
Pros:
Affordable, has a free plan.
Simple to use, perfect for beginners.
Updates information instantly.
Strong connections for small groups.
Cons:
Many people are worried about data accuracy. About 60-70% of them have reported issues.
Recently, there have been problems with getting data from LinkedIn.
Compared to ZoomInfo, there are fewer advanced features available.
Seamless.ai is cheaper than ZoomInfo. It is easier to use, making it a good fit for small and medium-sized businesses. However, it lacks the advanced features and detailed insights that ZoomInfo provides. Recent issues with getting data may make people less trusting of it.
Detailed Comparison: Data Quality and Accuracy
ZoomInfo claims it has more than 95% accuracy. It uses AI and human researchers to maintain a large database. This database has 106 million company records and 140 million contacts. The company applies special algorithms and manual checks to ensure the data is trustworthy. Still, some users report there can be errors, particularly in smaller industries.
Seamless.ai uses AI technology to gather current information from public sources. It has around 1.3 billion contacts listed. However, the accuracy is only between 60% and 70%. Users report that some email addresses are either old or incorrect. The removal of its LinkedIn page in March 2025, due to problems with data scraping, could make the information less reliable. You might also want to look into BookYourData.
Features Comparison
Both platforms assist in lead generation and connect with CRM systems. However, their features are not the same. Here is a simple comparison:
Feature |
ZoomInfo |
Seamless.ai |
---|---|---|
Lead Generation |
Advanced search, intent data |
Real-time search, AI filters |
Data Enrichment |
Comprehensive, firmographic data |
Yes, but less detailed |
Integrations |
Over 350+ tools |
Over 15 native integrations |
Automation |
Sales automation, workflow tools |
Autopilot, email campaigns |
Chrome Extension |
Yes, with insights |
Yes, for contact extraction |
Buyer Intent |
Real-time signals, MarketingOS |
Limited, less robust |
Org Charts |
Yes |
No |
Website Visitor Tracking |
Yes |
No |
ZoomInfo has advanced features like intent data and tracking website visitors. These tools assist with smart sales strategies. Seamless.ai provides real-time search and automation. It works well, but it is not as complete as BookYourData.
Selection Criteria
If you have a budget-friendly business or are just starting out, Seamless.ai is a good choice. It has free and low-cost plans that are perfect for startups and small teams. You can get quality leads without spending too much money. The simple design allows teams to learn quickly and find leads right away. If you want speed and up-to-date contact information, Seamless.ai’s AI features give you quick updates. This helps you keep your contact details fresh and easy to manage.

If your company wants detailed insights such as organizational charts, intent data, and good integrations, ZoomInfo could be the right choice. This platform is made for large businesses and complex sales strategies. It provides very accurate data along with many useful features. But, it can be difficult to learn and is quite costly, starting at about $15,000 every year. This price may not be practical for smaller or mid-sized teams.
Pricing
Pricing matters when choosing between ZoomInfo and Seamless.ai. Here is a short overview:
Plan |
ZoomInfo |
Seamless.ai |
---|---|---|
Free |
Free trial |
Free with 50 credits |
Basic |
N/A |
$147/month, 250 credits |
Professional |
~$15,000/year, 5,000 credits |
Pro: Custom pricing |
Advanced |
$25,000/year, 10,000 credits |
Enterprise: Custom pricing |
Elite |
$40,000/year, 10,000 credits |
– |
ZoomInfo is expensive because it mainly targets big companies. In contrast, Seamless.ai provides budget-friendly plans. They even have a free option that is perfect for smaller businesses.
User Review Comparison: ZoomInfo vs. Seamless.ai
Aspect |
ZoomInfo ⭐⭐⭐⭐⭐ |
Seamless.ai ⭐⭐⭐⭐☆ |
---|---|---|
G2 overall rating |
⭐⭐⭐⭐⭐ 4.5/5 (12,000+ reviews) |
⭐⭐⭐⭐☆ 4.2/5 (1,300+ reviews) |
Ease of use |
⭐⭐⭐☆ (steeper learning curve) |
⭐⭐⭐⭐☆ (intuitive & beginner-friendly) |
Features |
⭐⭐⭐⭐⭐ (intent data, org charts, advanced tools) |
⭐⭐⭐☆ (real-time search, fewer advanced tools) |
Integrations |
⭐⭐⭐⭐⭐ (350+ integrations, full API access) |
⭐⭐⭐☆ (15 essential integrations) |
Support quality |
⭐⭐⭐⭐☆ (strong but slower on lower plans) |
⭐⭐⭐⭐ (fast, but limited to business hours) |
Value for money |
⭐⭐⭐☆ (high cost from $15,000/year) |
⭐⭐⭐⭐⭐ (affordable with a free plan) |
Best for |
Large enterprises and advanced B2B teams |
Startups and SMBs |
This comparison shows that ZoomInfo offers advanced features and good integrations. However, it may be too expensive and complex for smaller teams. It is ideal for large companies that require detailed data analysis and full API access. But for some users, it could be overwhelming due to its steep learning curve and high price.

In contrast, Seamless.ai is a better option for many businesses. It is practical and costs less. The interface is simple to use, and the setup does not take long. It gives good value for the money. This is why it is great for startups and small to medium-sized businesses that want good lead generation without spending too much.
Functionality & Integration
Both platforms connect well with popular CRMs like Salesforce and HubSpot. ZoomInfo has over 350 integrations and offers strong API access. This makes it easy to use in big business systems. In contrast, Seamless.ai has 15 integrations. This is good for smaller teams that move quickly. They enjoy ease of use without missing out on features.

ZoomInfo is better suited for large companies. It offers detailed workflows and analytics that help businesses grow and handle their sales strategies. In contrast, Seamless.ai is perfect for small to medium-sized businesses. It is affordable and simple to use. This tool also assists with lead generation in real time.
Platform Experience & Support
Seamless.ai is well-known for being easy to use. This helps small teams get started quickly. It works well in busy places where simple navigation and quick setups are important. In contrast, ZoomInfo is more feature-rich, but it can take longer to understand. However, it offers many tutorials and support options for those who want to gain advanced skills.
In terms of support, ZoomInfo provides several ways to get help. But, if you have a lower-tier plan, it may take longer to get assistance (G2 rating: 4.5/5). You can also find a knowledge base and community forums for more self-service options. Seamless.ai offers faster support during business hours (G2 rating: 4.2/5). However, some users say they have issues with billing clarity and auto-renewals.
If you are still not sure about the best choice for you, feel free to reach out via our website. Our manager will get back to you fast and help you find the right solution for what you need. :)
Pros and Cons
Feature |
ZoomInfo |
Seamless.ai |
---|---|---|
Pros |
|
|
Cons |
|
|
ZoomInfo delivers highly accurate data, advanced intent signals, org charts, and 350+ integrations—perfect for large enterprises—yet its starting price of ~$15 000/year, steep learning curve, and enterprise‑focused feature set can overwhelm smaller teams. Seamless.ai, by contrast, offers a free tier and low‑cost plans, an intuitive interface, real‑time lead updates, and key CRM integrations, making it ideal for SMBs—though it sometimes struggles with data accuracy, lost LinkedIn support, and fewer advanced tools.
Which One is Better?
When comparing Seamless.ai and ZoomInfo, Seamless.ai is a smarter and cheaper choice for sales teams today. It offers a free plan and a Basic plan that costs $147 per month. This is perfect for startups and small to mid-sized businesses. Its AI-powered search provides the latest B2B contact information. Additionally, the intuitive interface makes it easy to find leads quickly. This is ideal for teams that need trustworthy data without complicated steps or high costs.

Seamless.ai is a smart option for businesses that need good growth potential, easy connections with CRM systems, and helpful automation without high costs. It is designed to grow with your team and simplifies the process of finding new customers. This makes it a popular pick for companies focused on being efficient and getting great returns on their investment. For teams looking to close more deals while spending less, Seamless.ai is a powerful choice.
Conclusion
While both platforms deliver solid sales intelligence, Seamless.ai emerges as the superior choice for most teams. Its budget‑friendly plans and intuitive interface make cost‑effective, real‑time lead generation accessible to small and mid‑sized businesses—without the steep learning curve or six‑figure investment that ZoomInfo demands. Even allowing for occasional LinkedIn data hiccups, Seamless.ai’s AI‑driven updates and streamlined integrations ensure your sales team stays agile and focused on closing deals—making it the clear winner in 2025.
I hope you found the solution that best suits your needs. If you're looking for more comparisons, feel free to check out our blog :)
FAQ
Both platforms serve as sales intelligence tools that streamline B2B lead generation and revenue growth. They provide contact and company data, analytics, and integrations to help sales and marketing teams target prospects more effectively.
ZoomInfo boasts a massive database with over 321 million contacts, intent signals, org charts, and 95%+ claimed accuracy, making it ideal for complex enterprise strategies. Seamless.ai, while offering real‑time updates on 1.3 billion contacts, typically reports 60–70% accuracy and focuses on simpler, AI‑driven enrichment.
Seamless.ai free tier, low‑cost plans, and intuitive interface cater perfectly to startups and small‑to‑mid‑sized teams needing fast, budget‑friendly lead generation. ZoomInfo’s advanced features, deep insights, and 350+ integrations are better suited for large enterprises with multi‑level sales workflows and the budget to match.
ZoomInfo’s professional plan starts around $15,000 per year, with advanced and elite tiers reaching $25,000–$40,000 annually—plus a free trial. Seamless.ai offers 50 free credits upfront, a Basic plan at $147/month for 250 credits, and custom Pro or Enterprise pricing, making it far more accessible to smaller teams.
ZoomInfo can overwhelm smaller teams with its cost, steep learning curve, and enterprise‑focused complexity. Seamless.ai, while affordable and easy to use, faces data accuracy concerns, fewer advanced features, and recent LinkedIn access challenges.