Endole vs Kaspr: A Comparison That Shouldn't Exist
Endole vs Kaspr isn't a real head-to-head. It's more like comparing a credit-check tool to a prospecting extension: both touch "B2B data," but they answer totally different questions.
Let's break this down fast, because we've seen teams waste weeks here. They buy one tool expecting it to do the other's job, then blame "data quality" when the real issue is picking the wrong category.
30-second verdict
Pick Endole if your job is to understand UK companies: financials, directors, ownership, group structure, and risk signals before you sign a contract or extend terms.
Pick Kaspr if your job is to find emails and phone numbers so you can run outbound and book meetings.
They don't replace each other. If you're trying to choose one, start by deciding whether you're doing due diligence or outreach.
What each tool actually does
Endole: UK company intelligence
Endole is built around UK company profiles and the kind of information you use for due diligence: ownership structure, director details, financial health, and credit risk. In practice, it feels like a cleaner layer over official UK filings, with extra context that saves you time when you're checking a supplier, vetting a partner, or qualifying a UK prospect before your team invests effort.
A quick scenario we run into: a sales team lands a "too good to be true" inbound from a UK firm asking for net-60. Before finance says yes, someone needs to confirm the company is real, see who controls it, and spot obvious risk flags. That's the lane Endole plays in.
One caveat: if your pipeline isn't UK-heavy, Endole won't be your daily driver. It's not designed as a global sales prospecting database, and you'll feel that pretty quickly once you step outside the UK.
Kaspr: contact data finder
Kaspr is a browser-based contact finder that pulls emails and phone numbers from professional profiles and pushes them into your workflow (CRM, CSV, sequencing tools). It's aimed at outbound reps and small teams who want a quick way to turn "I found the right person" into "I can actually contact them." If you're building a repeatable outbound motion, it helps to pair this with solid sales prospecting techniques.
Kaspr also has a built-in credit model: you get a limited number of phone and direct email credits, and you spend them as you reveal data. The free plan includes 5 phone credits, 5 direct email credits, and 15 B2B email credits per month. Paid tiers add more credits and remove some limits.
Look, the credit model isn't evil, but it can be maddening in real life. One week you're fine, the next week you burn through credits because you're calling a new segment and half the numbers aren't usable for your region.
Pricing breakdown (what you'll actually pay)
| Endole | Kaspr | |
|---|---|---|
| Category | UK company data | Contact finder |
| Free tier | No | Yes (5 phone + 5 direct email + 15 B2B email) |
| Starting price | £39/mo or £299/yr | €45/user/mo (annual) |
| Monthly billing | £39/mo | €59/user/mo |
| Business tier | Not public | €79/user/mo (annual), 200 phone credits + 200 direct email credits/month |
| Enterprise | Not public | Custom |
| Database | Millions of UK companies | ~160M contacts |
| G2 rating | 4.6/5 (5 reviews) | 4.4/5 (833 reviews) |
| Best for | UK due diligence | Outbound prospecting |
Kaspr also lists USD pricing publicly in some regions: Starter shows up as $49/user/month on annual billing and $65/user/month month-to-month.
Endole pricing is often referenced via review listings; Endole's own site availability can be inconsistent, so treat any plan details beyond the starting price as "ask sales / check your account."

Neither Endole nor Kaspr solves the real problem: getting verified contact data at scale without burning credits or bouncing emails. Prospeo gives you 300M+ profiles, 98% email accuracy, and 125M+ verified mobiles - refreshed every 7 days, not every 6 weeks.
Stop choosing between due diligence and outbound. Get the data that books meetings.
What users say (and what I'd ignore)
Endole's G2 rating looks great at a glance, but it's based on a tiny sample size. The louder signal is Trustpilot, where the recurring themes are more consistent: cancellation friction, slow support, and frustration around personal data removal requests. On the flip side, the people who like it tend to like it for the same reason: it saves them from digging through official records manually.
Kaspr has a much bigger pool of reviews, and the feedback is more mixed in a normal way. Users like the speed and convenience for grabbing contact details. The complaints are predictable: credits disappear quickly, and the workflow gates (like needing a minimum number of connections) can feel arbitrary when you're just trying to do your job.
Our take: don't over-index on star ratings for either tool. Read five recent reviews, then decide if the complaints match your team's tolerance for friction.
GDPR and compliance (yes, it matters)
Both tools have some compliance chatter around them, but Kaspr has a very clear, public mark against it.
In December 2024, France's data protection authority (CNIL) fined Kaspr EUR240,000 for GDPR violations related to data scraping, legal basis, retention, and notice to data subjects. The CNIL decision is here: https://www.cnil.fr/en/data-scraping-kaspr-fined-eu240000
Endole's compliance concerns show up more as user-reported support issues around data removal and account handling, including mentions of escalations to the UK's ICO. If you're in a regulated environment, you should still run your own vendor review, but it's not the same kind of headline event. (If you need a practical framework, start with ethics in sales and apply it to vendor selection.)
If you want the official baseline on what "GDPR compliant" even means in practice, these are worth bookmarking:
- CNIL's enforcement note on the Kaspr case: https://www.cnil.fr/en/data-scraping-kaspr-fined-eu240000
- UK ICO guidance on the right to erasure: https://ico.org.uk/for-the-public/your-right-to-get-your-data-deleted/
- European Commission overview of GDPR: https://commission.europa.eu/law/law-topic/data-protection/eu-data-protection-rules_en
So... which one should you buy?
Buy Endole if you're doing UK due diligence. Buy Kaspr if you're doing outbound and you accept the tradeoffs of a credit-based contact tool.
And here's the thing: if your real goal is "book more meetings," Endole isn't even in the conversation. It's not a contact database, and trying to force it into that role is how teams end up with a messy spreadsheet and a bad quarter.
Better options for contact data (where most teams actually need help)
If you need verified emails and mobile numbers at scale, you want a tool that's built for accuracy and freshness, not one that makes you ration credits like it's a mobile game. (If you're evaluating the category broadly, start with data enrichment services and best B2B company data providers.)
This is where Prospeo is the cleanest pick we've used for self-serve outbound data: 300M+ professional profiles, 143M+ verified emails, 125M+ verified mobile numbers, and 98% email accuracy, with records refreshed every 7 days. That refresh cycle matters more than most people think; stale data is why sequences "randomly" start bouncing after a few good weeks. If bounces are a recurring issue, it’s worth revisiting email bounce rate basics.
One more practical note from our own workflows: when you're enriching a list (not just looking up one person), match rates decide whether your ops team loves you or hates you. Prospeo's enrichment returns contact data for 83% of leads, and the API match rate is 92%, which is the difference between "this enrichment project worked" and "we paid to re-create a list we already had." (Related: lead enrichment.)
Skip Prospeo if you only need occasional, one-off lookups and you're happy staying on a tiny free plan somewhere. But if outbound is a core motion, you want the tool that stays accurate when you scale. For more options, compare outbound lead generation tools and SDR tools.


Kaspr's credit model runs dry mid-campaign. Prospeo starts at $0.01/email with no arbitrary gates - and returns contact data for 83% of enriched leads. When outbound is your core motion, accuracy at scale is the only thing that matters.
Replace credit anxiety with 143M+ verified emails and real pipeline.
FAQ
Is Endole the same as Kaspr?
No. Endole is UK company intelligence for financials, ownership, directors, and risk checks. Kaspr is a contact data finder for emails and phone numbers. Different jobs, different buyers.
Is Kaspr GDPR compliant?
Kaspr positions itself as compliant, but the CNIL fined Kaspr EUR240,000 in December 2024 for GDPR violations related to data scraping, legal basis, retention, and notice. The decision is public: https://www.cnil.fr/en/data-scraping-kaspr-fined-eu240000
What's a good alternative to Kaspr for finding contact data?
Prospeo is a strong alternative if you care about accuracy and freshness: 300M+ profiles, 98% verified email accuracy, 125M+ verified mobile numbers, and a 7-day refresh cycle. Pricing is also straightforward at about $0.01 per email, with a free tier that includes 75 emails per month.
What's cheaper, Endole or Kaspr?
It's not a clean comparison because they're for different use cases. Endole starts at £39/month for UK company intelligence. Kaspr starts at €45/user/month on annual billing (or €59 monthly). If you only need contact data, a self-serve data platform priced around $0.01/email is often cheaper than paying per user plus credits.