Ampliz vs Lead411: B2B Data Platform Comparison 2026

Picking a B2B data provider usually comes down to two questions: how accurate is the data, and how much will it cost me at the scale I actually need? Ampliz and Lead411 both promise verified contacts, intent signals, and CRM-ready exports — but they aim at different buyers and price very differently.

This comparison breaks down where each platform is strong, where it leaks budget, and which one fits your motion. We'll also cover where a focused email-finding workflow can replace a heavyweight subscription entirely.

TL;DR — Ampliz vs Lead411 at a glance#

• Ampliz is strongest for healthcare and APAC/global account targeting, with a HealthCare Intelligence dataset that few competitors match. Pricing is quote-based and skews enterprise.
• Lead411 is a North America-focused sales intelligence platform with built-in growth intent, verified emails and direct dials, and unlimited-view pricing that mid-market teams like.
• Neither is cheap or simple. Both bundle databases, intent, and enrichment into annual contracts you have to talk to sales to unlock.
• If your real need is finding and verifying contact emails by domain or name, a purpose-built tool like the Tomba Email Finder covers that job at a fraction of the cost.
• Read on for the full feature-by-feature table, accuracy notes, and a decision framework.

What is Ampliz?#

Ampliz is a B2B data intelligence platform built around two core offerings: a global B2B contact database and a specialized HealthCare Intelligence product covering physicians, hospitals, and life-sciences contacts. It markets heavily to teams selling into healthcare and into APAC, EMEA, and other regions where North-America-centric databases tend to thin out.

Its pitch is depth in places other vendors are shallow. If you're prospecting cardiologists in Singapore or hospital procurement leads across India and the Gulf, Ampliz has firmographic and contact coverage that a US-first tool often lacks. You can read more on their own ampliz.com site, and user reviews live on G2.

Ampliz works through a web app plus an API and a Chrome extension for pulling contacts while you browse LinkedIn or company sites. Data points include verified emails, phone numbers, job titles, company revenue, and technographics. The catch: pricing is entirely quote-based, and the experience is built around larger annual commitments rather than self-serve credits.

What is Lead411?#

Lead411 is a North-America-focused sales intelligence platform that combines a verified contact database with Bombora-powered growth intent data and trigger events (funding rounds, hiring spikes, leadership changes). Its signature selling point is unlimited viewing and exporting on most plans, which removes the per-credit anxiety that plagues a lot of data tools.

Lead411 leans into outbound sales: verified emails, direct-dial mobile numbers, intent-based lead recommendations, and native sync to Salesforce, HubSpot, and other CRMs. It's a favorite of SMB and mid-market sales teams in the US who want a single tool for "who to call, why now, and how to reach them." Their pricing and trial details are on lead411.com, with independent reviews on Capterra.

How do Ampliz and Lead411 compare feature by feature?#

Here's the side-by-side on the attributes that actually move a buying decision.

The short version: Lead411 wins on intent and US outbound; Ampliz wins on healthcare and non-US coverage. Very few teams genuinely need both, which is why the decision usually maps to who you sell to and where they are.

Is Ampliz more accurate than Lead411?#

Accuracy depends on the segment, not the brand. Both vendors claim high verification rates, but no third-party database is uniformly accurate across every region and role.

• Lead411 publicly emphasizes a triple-verification process and reports strong deliverability on US business emails. For domestic SaaS, finance, and tech prospecting, its hit rate tends to hold up well.
• Ampliz is typically more accurate than US-first tools for healthcare and international contacts — exactly where Lead411 and similar databases degrade. Outside those niches, results are more average.

The honest reality of any database vendor is decay: B2B contact data goes stale at roughly 30% per year as people change jobs. That means whichever platform you choose, you should re-verify any list before a campaign rather than trusting the vendor's export blindly. A standalone email verifier run against your exported list catches the bounces a stale database hands you — and protects your sender reputation.

How does pricing compare?#

This is where the two diverge most.

Lead411 publishes a starting point and offers a free trial, with paid plans built around unlimited views and a set number of exports. Mid-market teams generally find the per-seat math predictable, and the "no credit counting" model is a genuine relief if your reps prospect heavily.

Ampliz is sales-led and quote-based. You'll book a demo, describe your use case and volume, and receive a custom annual figure. That works for enterprise buyers with procurement processes, but it's friction for a small team that just wants to test the data before committing.

If budget predictability matters most, Lead411's published, unlimited-view model is easier to plan around. If you need deep healthcare data and have procurement backing, Ampliz's custom pricing can be justified — but expect an enterprise-sized number.

Which one should you choose? A simple framework#

Run your decision through four questions:

1. Where are your buyers? Mostly US/Canada → Lead411. Heavily APAC, EMEA, or global → Ampliz.
2. Do you sell into healthcare? If yes, Ampliz's HealthCare Intelligence is the differentiator. If no, it loses much of its edge.
3. Do you need intent data baked in? Lead411's Bombora-powered signals are a real advantage for timing outreach. Ampliz treats intent as more of an add-on.
4. What's your budget posture? Want to trial before you buy and avoid procurement → Lead411. Enterprise contract with a custom dataset → Ampliz.

For most US-based SMB and mid-market sales teams, Lead411 is the more natural default. For global account-based selling and healthcare GTM, Ampliz earns its keep.

What if you only need accurate emails?#

Here's the part vendors won't volunteer: a lot of teams buy a full sales-intelligence suite when what they actually use is the contact-finding piece. They're paying enterprise database prices to do a job a focused tool does better and cheaper.

If your workflow is "I have a company domain or a person's name and I need a verified work email," you don't need a six-figure intent platform. You need a fast, accurate finder and verifier:

• Find emails by domain or name with the Tomba Email Finder — search a company and pull the contacts you need without a sales call.
• Process lists at scale using the bulk email finder when you've already got a target account list.
• Enrich what you find with data enrichment to fill in titles, company size, and social profiles.
• Tap a large B2B database without committing to an annual enterprise contract.

This isn't a knock on Ampliz or Lead411 — intent data and healthcare depth are real features that some teams genuinely need. But if you've been justifying a full suite for what amounts to email lookup, a finder-first stack is dramatically cheaper.

Tomba's pricing starts free with 25 searches per month, then Starter at $49/mo and Growth at $99/mo — so you can validate the data quality on your own accounts before spending anything.

Frequently asked questions#

Is Lead411 better than Ampliz? For US-focused outbound with intent timing, yes — Lead411's Bombora signals and unlimited-view pricing fit that motion. For healthcare and non-US coverage, Ampliz is the stronger dataset. Neither is universally "better."

Does Ampliz offer a free trial? Ampliz is demo-led rather than self-serve; you typically book a call to see the data before pricing. Lead411 offers a more accessible free trial.

Can I use these tools just for email finding? You can, but you'll overpay. A dedicated finder like Tomba handles domain and name-based lookups at a far lower entry cost, and you can layer enrichment or intent later if you actually need it.

How do I keep any vendor's data clean? Re-verify before every campaign. B2B data decays ~30% a year, so running exports through an email verifier protects deliverability regardless of which database produced them.

The bottom line#

Choose Lead411 if you sell into North America and want intent data, direct dials, and predictable unlimited-view pricing in one tool. Choose Ampliz if your GTM is global or healthcare-centric and you have the budget for an enterprise, sales-led contract.

But if the honest scope of your need is finding and verifying professional emails — not buying a whole intelligence suite — start lean. The Tomba Email Finder lets you find professional email addresses by domain, name, or company, verify them on the spot, and scale into bulk and enrichment only when your pipeline demands it. Try the free tier first, and only pay for the data you actually use.