- Kaspr alternatives in one table
- Ten B2B contact data tools to compare with Kaspr
- Phone numbers: the extra rules for Kaspr alternatives
- Email rules people miss with contact data
- LinkedIn and browser extensions
- Testing accuracy before you commit
- Which Kaspr alternative suits which team
- Why credits and allowances matter more than they look
- My plain advice on choosing a Kaspr alternative
- Frequently asked questions
A good Kaspr alternative gives you accurate work emails and direct numbers for the markets you sell to, verifies them and respects opt-outs. Check coverage in your countries, credit rules and whether it works as an extension, web app or API. This page lists ten options in no particular order, then covers accuracy, calling and data rules.
Kaspr describes itself on its own site as a LinkedIn Chrome extension and web app that gives you access to B2B contact data in seconds, with bulk enrichment and integrations. It's popular with sales and recruitment teams who want phone numbers as well as emails.
These are ten Kaspr alternatives in no particular order, sorted alphabetically. Some are big databases and others are small finders with generous free allowances. Each description comes from the tool's own website, re-checked today. For ideas on what to do with new contacts, see why a sales pipeline matters.
Kaspr alternatives in one table
In the free plan column, Yes means the tool's own site describes a free plan or a renewing free allowance. Trial only means a trial or one-off credits without an ongoing free tier. No means neither is stated on the site.
| Tool | Type | Good for | Free plan |
|---|---|---|---|
| ContactOut | Contact finder | Emails and phone numbers with daily credits | Yes |
| Datagma | Enrichment tool | Verified emails and mobiles with a free plan | Yes |
| Lead411 | Contact database | Contacts with growth intent signals | Trial only |
| Lusha | Contact data platform | Emails and direct dials with a free plan | Yes |
| RocketReach | Contact database | Looking up professionals by name or company | Trial only |
| SignalHire | Contact finder | Extension and web search with a free plan | Yes |
| Skrapp.io | Email finder | Business emails from names and domains | Yes |
| Snov.io | Sales platform | Finding, verifying and emailing in one | Yes |
| Swordfish.ai | Contact finder | Direct dials and mobiles | Trial only |
| UpLead | Contact database | Company-filtered B2B lists | Trial only |
Ten B2B contact data tools to compare with Kaspr
ContactOut
Best for: Recruiters who want personal and work contact details with a daily free allowance.
Datagma
Best for: Small teams who want real-time enrichment with a free starting tier.
Lead411
Best for: Sales teams who want contact data plus signals that a company is growing.
Lusha
Best for: Sales teams who want a well-known contact database with monthly free credits to test.
RocketReach
Best for: Users who want a large search tool with some free lookups to begin.
SignalHire
Best for: Recruiters and sellers who want contact lookups that start free.
Skrapp.io
Best for: Small teams who want a simple finder with free credits.
Snov.io
Best for: Owners who want finding, verification and outreach in a single tool.
Swordfish.ai
Best for: Teams who rely on phone outreach and want direct numbers.
UpLead
Best for: Teams who want to build lists by industry and company size.
Phone numbers: the extra rules for Kaspr alternatives
Many people switch tools for better phone coverage. If you call, the rules change again. In the UK, the ICO's guide to PECR says that, in general, you mustn't make marketing calls to any number listed on the Telephone Preference Service or Corporate TPS unless that person has specifically consented, so numbers need screening before you dial. In other countries the rules differ. Check the official guidance for wherever your prospects are, because a great number used carelessly causes more harm than good.
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Email rules people miss with contact data
The other rule people miss is about who you email afterwards. The UK regulator, the ICO, says in its guide to PECR that you can send marketing emails to companies, but sole traders and some partnerships are treated as individuals, so you can only email them with consent or under the soft opt-in for previous customers. Data protection law still applies to the personal details you store. This isn't legal advice; in the US, CAN-SPAM sets different rules, so check what applies to you.
LinkedIn and browser extensions
Before you pick any tool in this category, read what LinkedIn says. Its help page on prohibited software states that it doesn't permit third-party software, including crawlers, bots, browser plug-ins or browser extensions, that scrape, modify the appearance of, or automate activity on its website. Accounts that break the rules can be restricted. That doesn't make every tool here off-limits, but it does mean you should ask each vendor how it works, keep activity at a human pace and decide how much risk you're comfortable with on your main profile.
Testing accuracy before you commit
- Pick fifty contacts you already have accurate details for.
- Run them through two or three tools.
- Count correct emails and correct numbers separately.
- Note how each tool shows confidence or verification.
- Choose the tool that does best on your market, not on average.
Which Kaspr alternative suits which team
- Recruiters often want personal emails and mobiles.
- Phone-led sales teams should prioritise direct dial coverage.
- Email-led teams may get more from a finder with strong verification.
- Small businesses should start with a renewing free allowance.
Why credits and allowances matter more than they look
Contact tools usually work on credits, and the rules vary: some charge for every lookup, some only when a detail is found, and some count emails and phone numbers separately. Read the credit rules alongside the free allowance, because two tools with similar headline offers can behave very differently once you start searching.
Keep a simple log during your trial of how many lookups returned something useful. It's the clearest way to compare. And if phone outreach is new to you, my guide to lead generation tactics covers approaches that warm people up before you call.
Do you make a B2B contact data tool? Tool makers can ask to be considered for a featured place on this list.
My plain advice on choosing a Kaspr alternative
Test accuracy on your own market before anything else, then check the rules for how you'll contact people. A tool that's slightly less complete but more accurate will save you awkward calls and bounced emails.
Frequently asked questions
What does Kaspr do?
Its own site describes a LinkedIn Chrome extension and web app that gives access to B2B contact data, with bulk enrichment and integrations.
Which tool has the best phone coverage?
It depends on your countries and industries. Test with contacts you know before deciding.
Can I call business numbers I find?
Check the rules where your prospects are. In the UK, preference service registers apply to many calls. This isn't legal advice.
Do I need consent to email business contacts?
The ICO says companies can receive marketing emails, but sole traders and some partnerships need consent or the soft opt-in.
What's a credit in these tools?
Usually one contact lookup or one revealed detail. Rules differ, so read how each tool counts credits.
Are LinkedIn extensions allowed?
LinkedIn says it doesn't permit third-party extensions that scrape or automate activity on its site.
Do unused credits roll over?
It depends on the tool and plan. Check whether credits reset each month or carry forward before you buy a larger bundle.
