Seamless.AI
- Starting price: Free 1,000 credits/year · Pro custom (sales call required)
- Free plan: Yes - Free tier with 50 credits (one-time) (granted monthly)
- Founded: 2015
- HQ: Columbus, Ohio
Seamless.AI is a B2B database vendor - seat-time + record access charged per user, per year. The side-by-side comparison below tracks Seamless.AI's total-cost-of-ownership across team growth and lookup volume against Derrick's credit-pool model where the cost moves with usage, not headcount.
✓ Free forever · ✓ No credit card · ✓ Cancel anytime · ✓ Your data stays in your Sheet
Trusted by 27 000+ users worldwide.





CURSOR 3 core reasons SDRs and ops teams switch to Derrick. Click to expand each.
Derrick provides real-time verification within a 100% native Google Sheets workflow, unlike Seamless.AI and ZoomInfo, which typically require separate validation steps or external tools. While Seamless.AI and ZoomInfo offer data enrichment, they can struggle with immediate, in-sheet verification that prevents invalid outreach in the moment. Derrick delivers instant email validation and contact checks inside Sheets, reducing bounce rates and saving hours per month. Use cases include live prospect validation during list building and immediate segmentation without leaving the sheet.
Seamless.AI and ZoomInfo offer broad data access, but many teams still struggle with integrating their feeds into uniform, actionable workflows across tools. Derrick delivers 3000+ native integrations via Zapier/Make/n8n, turning Google Sheets into a seamless data pipeline without exporting or complex setup. This means faster onboarding and measurable gains, such as saving 5-10 hours per month on data prep and a cohesive, error-free enrichment flow. Derrick also leverages real-time email validation and multi-attribute enrichment to sustain data quality across every touchpoint.
Seamless.AI and ZoomInfo offer broad data and AI-assisted insight, but they can fall short on truly deep segmentation that scales with nuanced buyer personas and dynamic enrichment across multiple attributes. Derrick delivers unmatched data depth by combining AI-powered scoring, segmentation, and 50+ enrichment attributes directly within a 100% native Google Sheets workflow, eliminating exports and complex integrations. Expect higher precision in targeting and faster prioritization, translating to measurable improvements like 20-40% faster pipeline qualification and more accurate account tiering. For rapid use cases, Derrick’s real-time email validation and integrated AI summaries further reduce research time and boost outreach quality.
We're upfront - every tool has strengths. Here's where Seamless.AI, Zoominfo, and Derrick each genuinely win.
Headline pricing rarely tells the whole story. Here's the real cost of running each tool for a year.
| Seamless.AI | Zoominfo | Derrick | |
|---|---|---|---|
| Starting price (monthly) | Free 1,000 credits/year · Pro custom (sales call required) | ~$15K/yr (3 seats min) | €0 (free) · €9/mo paid |
| Annual cost (base) | ~€12/yr | ~€180/yr | €0/yr free · ~€108/yr paid |
| Free plan? | Yes - Free tier with 50 credits (one-time) (granted monthly) | No (community edition limited) | ✓ Forever - 100 credits/mo |
| Setup cost | Hours to days | Hours to days | 30 seconds via Marketplace |
| Switching cost | CSV export + retraining | CSV export + retraining | Zero - works alongside any stack |
💡 Most teams pay 2-5x more on add-ons (extra seats, phone credits, integrations) than on the headline base price. Derrick keeps everything in one transparent tier.
| Seamless.AI | Derrick App | zoominfo | |
|---|---|---|---|
| Works natively in Google Sheets | ✕ | ✓ | ✕ |
| Requires LinkedIn Sales Navigator ($100/month) | ✕ | ✕ | ✕ |
| Sales Navigator 1-click import | ✕ | ✓ | ✕ |
| Email finder with real-time validation | ✓ | ✓ | ✓ |
| Phone finder from LinkedIn | ✓ | ✓ | ✓ |
| Company tech stack lookup | ✕ | ✓ | ✓ |
| SimilarWeb & G2 insights integrated | ✕ | ✓ | ✕ |
| AI integration (Claude & ChatGPT) | ✓ | ✓ | ✓ |
| Automatic AI Lead Scoring | ✕ | ✓ | ✕ |
| Data cleaning & normalization | ✕ | ✓ | ✓ |
| Multi-platform scraping (Instagram, Twitter, Facebook) | ✕ | ✕ | ✕ |
| Zapier, Make, n8n integrations | ✓ | ✓ | ✓ |
| Public API available | ✓ | ✓ | ✓ |
| Native CRM integrations (HubSpot, Salesforce) | ✓ | ✕ | ✓ |
| Entry price (paid plan) | Sur devis | 9€/mois | 15000$/an |
| Permanent free plan | ✓ | ✓ | ✕ |
| Rollover credits to next month | ✕ | ✓ | ✕ |
| Simple and transparent credit system | ✕ | ✓ | ✕ |
| Simple setup & onboarding | ✓ | ✓ | ✕ |
| Complete documentation | ✓ | ✓ | ✓ |
Real-Time AI Search Engine for Sales Leads Free 1,000 credits/year · Pro custom (sales call required)
Best for: SDRs wanting AI-powered real-time prospecting at scale
Seamless.AI offers real-time access to verified contact data with pricing that includes an entry-level plan and tiered options; details on features and limits grow with each plan. See full pricing breakdown on the Seamless.AI pricing page for complete details.
Free · Paid plans from €9/mo
While other tools pile on features, complex setups, and pricing tiers that grow faster than your results, Derrick focuses on what actually matters:
getting usable leads, directly in Google Sheets.
No heavy workflows, No endless configuration. No learning curve.
Sales Intelligence (Enterprise) ~$15K/yr (3 seats min)
Best for: Enterprise US sales orgs
ZoomInfo offers scalable B2B data pricing with entry-level plans and paid tiers, plus a comprehensive pricing page with full details. See full pricing breakdown for exact plan levels, credits, and enterprise options.
Derrick is a Google Workspace app - no formulas to learn, no pipelines to migrate, no engineering work. Add it to Google Sheets and you're enriching in under a minute.
Click the install button on our Marketplace listing and grant Google Sheets access. No credit card required - you start with 100 free credits per month.
Open a Sheet with your prospect list (paste a CSV from Seamless.AI, scrape from LinkedIn Sales Navigator, or import from your CRM). Click Extensions → Derrick and the sidebar opens with all enrichment features ready to use.
Select the column with names, LinkedIn URLs, or company domains. Pick what you want - emails, phone numbers, LinkedIn data, company info, tech stack - and click "Enrich". Derrick fills the columns directly in your Sheet. No exports, no pipelines, no waiting.
100 free credits / month · No credit card · Cancel anytime
See what our customers say about Derrick.
"This app saved me so much time and effort. Great for anyone looking to build a contact list or network at scale quickly. As a start-up it's been invaluable."
"Working pretty nifty compared to Snov.Io. Price wise it does give a fair shake, and IMO better interface since it's google sheets."
"Derrick is a very simple and user-friendly app to enrich your contacts database. Best thing: you can test it for free. And then the price is so low, it's a no brainer."
"Super easy to enrich linkedin urls using this tool. Both personal and company url data can be easily enriched with a click of a button."
"Amazing Tool, I would like to advocate this to my colleagues. So that you can get more users. Keep it Up. 5 Stars!"
"This app is fantastic. Brilliantly created to help small and mid sized businesses."
"I have been using other expensive apps or freemium like phantombuster, but Derrick has replaced them all. I love the simplicity of the Google sheet add-in, but what is best is the efficiency it delivers."
"The LinkedIn scraping and email finder combo is incredibly powerful. I can build a complete prospect list with contact info in under an hour. Absolute must-have for outbound."
"Have tested over 10+ LI scraper apps, Derrick beats them all. Simple to use, accurate data, and affordable price."
Drop the third-party context and see how Seamless.AI compares to Derrick alone.
Open the head-to-head → One-on-oneDrop the third-party context and see how zoominfo compares to Derrick alone.
Open the head-to-head → Curated stackStep back from the duel - see our hand-picked sales-tool selection and how every category fits together.
See the full curation →