Kaspr
- Starting price: Free 15 emails + 5 phones/mo · Starter €45/mo
- Free plan: Yes - 15 B2B emails + 5 phones + 5 direct emails/mo
- Founded: 2018 - acquired by Cognism in April 2022
- HQ: Paris, France (now part of Cognism Group, London)
Email + phone finders like Kaspr live on data freshness and source diversity. The side-by-side comparison below pits Kaspr's coverage by region, free-tier ceiling and credit-burn rate against Derrick's flat-credit pool that funds email + phone + LinkedIn + firmographics from one wallet.
✓ Free forever · ✓ No credit card · ✓ Cancel anytime · ✓ Your data stays in your Sheet
Trusted by 31,000+ users worldwide.





CURSOR 3 core reasons SDRs and ops teams switch to Derrick. Click to expand each.
Derrick eliminates manual data validation overhead by delivering real-time verification directly inside Google Sheets, unlike Kaspr and Seamless.AI, which rely on separate validation steps or rely on real-time data that can still require manual checks. While Kaspr emphasizes phone/email verification, and Seamless.AI touts AI-driven verification, both fall short of seamless, in-sheet validation that auto-corrects and validates as you work. Derrick ensures instant validity at point-of-entry, reducing outbound bounce and saving hours per month for teams processing 50+ contacts daily. With 100% native Google Sheets, you gain continuous validation without context-switching or external validation workflows.
Kaspr and Seamless.AI offer strong data capabilities, but neither delivers a native 100% Google Sheets experience with 3000+ integrations that require no custom development. Derrick solves this by delivering 3000+ integrations via Zapier/Make/n8n alongside 100% native Google Sheets, eliminating API setup and complex middleware. This translates into faster deployment and friction-free scaling, with real-time data enrichment across downstream tools and workflows. Teams can connect multiple apps without bespoke connectors, saving 5–10h per month in integration maintenance.
Kaspr and Seamless.AI offer strong contact-level intelligence but fall short on holistic, company-wide insights necessary for strategic account planning. Derrick delivers AI-powered, comprehensive company insights that fuse 50+ enriched attributes with firmographic, technographic, and intent signals directly inside Google Sheets. This enables precise account profiling, scoring, and segmentation that drive smarter multi-account prioritization, reducing planning time by up to 30% and improving targeting accuracy. Use cases include rapid account overview, tech stack assessment, and intent-driven prioritization for ABM campaigns. Derrick makes these insights actionable within your existing workflow, without exporting data to another platform.
We're upfront - every tool has strengths. Here's where Kaspr, Seamless.AI, and Derrick each genuinely win.
Headline pricing rarely tells the whole story. Here's the real cost of running each tool for a year.
| Kaspr | Seamless.AI | Derrick | |
|---|---|---|---|
| Starting price (monthly) | Free 15 emails + 5 phones/mo · Starter €45/mo | Free 1,000 credits/year · Pro custom (sales call required) | €0 (free) · €9/mo paid |
| Annual cost (base) | ~€180/yr | ~€12/yr | €0/yr free · ~€108/yr paid |
| Free plan? | Yes - 15 B2B emails + 5 phones + 5 direct emails/mo | Yes - Free tier with 50 credits (one-time) (granted monthly) | ✓ 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.
| Kaspr | Derrick App | Seamless.AI | |
|---|---|---|---|
| Works natively in Google Sheets | ✕ | ✓ | ✕ |
| Requires LinkedIn Sales Navigator ($100/month) | ✕ | ✕ | ✕ |
| Sales Navigator 1-click import | ✕ | ✓ | ✕ |
| Email finder with real-time validation | ✓ | ✓ | ✓ |
| Phone finder from LinkedIn | ✓ | ✓ | ✓ |
| Company tech stack lookup | ✕ | ✓ | ✕ |
| SimilarWeb & G2 insights integrated | ✕ | ✓ | ✕ |
| AI integration (Claude & ChatGPT) | ✕ | ✓ | ✓ |
| Automatic AI Lead Scoring | ✕ | ✓ | ✕ |
| Data cleaning & normalization | ✕ | ✓ | ✕ |
| Multi-platform scraping (Instagram, Twitter, Facebook) | ✕ | ✕ | ✕ |
| Zapier, Make, n8n integrations | ✓ | ✓ | ✓ |
| Public API available | ✓ | ✓ | ✓ |
| Native CRM integrations (HubSpot, Salesforce) | ✓ | ✕ | ✓ |
| Entry price (paid plan) | 49$/mois | 9€/mois | Sur devis |
| Permanent free plan | ✓ | ✓ | ✓ |
| Rollover credits to next month | ✓ | ✓ | ✕ |
| Simple and transparent credit system | ✓ | ✓ | ✕ |
| Simple setup & onboarding | ✓ | ✓ | ✓ |
| Complete documentation | ✓ | ✓ | ✓ |
LinkedIn Phone & Email Finder (EU-First) Free 15 emails + 5 phones/mo · Starter €45/mo
Best for: EU-focused SDRs needing LinkedIn phone numbers
Kaspr offers a credit-based model with an entry-level free tier and paid plans starting at accessible monthly credits; see the full pricing breakdown for complete plan details and limits. For exact numbers and tiers, view the complete Kaspr pricing 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.
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 verified contact data with pricing that starts with a free tier option and scalable paid plans based on usage; see the full pricing breakdown for complete details. Click through to view complete pricing details.
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 Kaspr, 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 Kaspr compares to Derrick alone.
Open the head-to-head → One-on-oneDrop the third-party context and see how Seamless.AI 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 →