Head-to-head · B2B Contact Data Providers
People Data Labs vs Seamless.AI
People Data Labs leads on 1 check, Seamless.AI on 0, and 5 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scorePeople Data Labs · 8.6/10
- Free planboth
- Most featuresSeamless.AI · 4 of 4
People Data Labs scores higher on our rubric for b2b contact data providers: 8.6 against 8.5 out of 10; our editors rank them #7 and #8.
People Data Labs leads on contact database size: 3e+09 contacts versus 1.3e+09 contacts.
People Data Labs is the better fit for API-first data enrichment. Seamless.AI is the better fit for teams prioritizing database scale.
- People Data Labs fits best
API-first data enrichment
- Seamless.AI fits best
Teams prioritizing database scale
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Side by side
| Feature | People Data Labs 8.6/10 Visit ↗ | Seamless.AI 8.5/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.6 | 8.5 |
| Ranking | #7 in B2B Contact Data Providers | #8 in B2B Contact Data Providers |
| Best for | API-first data enrichment | Teams prioritizing database scale |
| Pricing model | Free plan + paid | Free plan + paid |
| Starting price | — | — |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Cloud, Browser extension | Cloud, Browser extension |
| Platforms | Web | Web, Chrome extension |
| Support | Email, Tickets, Docs | Email, Live chat, Docs |
| Compliance | SOC 2, GDPR | SOC 2, ISO 27001, GDPR |
| Integrations | 7 integrations | 6,000+ integrations |
| Built for | Small business, Mid-market, Enterprise | Solo, Small business, Mid-market, Enterprise |
| Features People Data Labs 3/4 · Seamless.AI 4/4 | ||
| Direct-dial data | ✓ | ✓ |
| Intent data | ✓ | ✓ |
| Technographic filters | Not checked yet | ✓ (best) |
| API access | ✓ | ✓ |
| Specs | ||
| Contact database size | 3e+09 contacts (best) | 1.3e+09 contacts |
| Monthly export limit | Not checked yet | Not checked yet |
| Our review | ||
| Pros |
|
|
| Cons |
|
|
| Our verdict | People Data Labs provides person, company, IP address, and job-posting data through APIs, data-license feeds, and data-sharing services. It is aimed primarily at developers, data teams, product teams, and organizations building… Read the review → |
This web-based B2B sales intelligence platform is designed for sales, marketing, recruiting, and revenue operations teams that need to find, verify, enrich, and export prospect data. Its published database size is 1.3B contacts, with… Read the review → |
Strengths and trade-offs
People Data Labs — where it wins
- Person, company, IP, and job-posting data APIs
- Bulk enrichment plus Snowflake and Databricks delivery
- Free plan with up to 100 monthly records
Where it doesn't
- Less focused on direct, user-facing prospecting workflows
- AI features are not listed in the product offering
- Pro pricing starts at $98/month for Person data
Seamless.AI — where it wins
- 1.3B listed contacts with real-time search and verification
- Direct dials, intent signals, enrichment, and job-change intelligence
- CRM integrations, Chrome extension, and REST API access
Where it doesn't
- The Free plan includes only 50 credits
- Pro and Enterprise pricing requires contact-sales discussions
- Buyer Intent Data is an add-on for Pro users
- People Data Labs8.6/10 · Free plan
A strong API-first choice for teams building enrichment and data pipelines.
Try People Data LabsFull verdict → - Seamless.AI8.5/10 · Free plan
A large-scale prospecting platform with verified contact data, intent signals, and API access.
Visit the platformFull verdict →
More comparisons
- ZoomInfo vs People Data Labs
- ZoomInfo vs Seamless.AI
- Apollo vs People Data Labs
- Apollo vs Seamless.AI
- Lusha vs People Data Labs
- Lusha vs Seamless.AI
- D&B Hoovers vs People Data Labs
- D&B Hoovers vs Seamless.AI
All B2B contact data providers comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update





