The main Lead Forensics alternatives are Warm AI, Leadfeeder, Snitcher, RB2B, Warmly and Factors.ai. The right one depends on three things: whether you need named people or just companies, where your website traffic comes from, and whether you want a monthly plan or an annual contract.
We make Warm AI, and two of our co-founders, Jake Pretty and Tom Claydon, worked at Lead Forensics before starting it. So we know the product well, and we have an obvious interest. To keep this fair, every price below comes from each company's own website, checked on 8 October 2026, and we have included where Lead Forensics is still the better choice.
Why teams look for a Lead Forensics alternative
There are three common reasons.
The price is not published. Lead Forensics does not show prices on its website. Its pricing page says cost is based on how much traffic your website gets, and you get a quote after a demo and a one-week trial.
The contract. Lead Forensics does not publish its contract terms either. Some reviewers on Capterra describe 12-month or longer contracts and automatic renewal, so check your order form for the renewal date and notice period.
You only see companies. Lead Forensics says it is "focused on company-level website visitor identification". It gives you business contacts at the company that visited, not the person who visited. If most of your buyers are in the US, a tool that names the actual visitor gives your sales team a specific person to contact.
Lead Forensics alternatives at a glance
| Tool | What it identifies | Starting price | Billing | Free trial or plan |
|---|---|---|---|---|
| Lead Forensics | Companies, plus business contacts at those companies | Not published. Quoted on your website traffic | Not published. Some reviewers describe 12-month or longer contracts | One-week trial. A rep walks you through the results at the end |
| Warm AI | Companies. Named people for US visitors, with LinkedIn and email | £89/month for 50 IDs, or £62/month billed annually. A named US person uses 2 IDs | Monthly or annual. No long-term contract | 14 days, no card needed |
| Leadfeeder | Companies. Contact details with credits on higher plans | Free plan for 100 companies a month. Paid from €79/month billed annually (€113 monthly) | Monthly or annual | 14 days, no card needed |
| Snitcher | Companies. Contact details when you choose to reveal them | Advertised from $49/month for up to 50 companies | Monthly or annual (about 30% off annual) | 14 days, no card needed |
| RB2B | Named people for US visitors only. Companies worldwide | Free plan (company level only). Paid from $79/month | Monthly | Free plan, and a 7-day trial of its Pro plan |
| Warmly | Companies and people. Chat and automation on higher plans | $10,000/year, or $4,875/quarter. Chat plans from $20,000/year | Annual or quarterly | Not stated |
| Factors.ai | Companies. People through an RB2B add-on | Free plan. Paid prices not published | "Typically" annual contracts | Free plan |
Prices are as shown on each company's pricing page on 8 October 2026, in the currency each one uses. Check before you buy, as they change.
The 6 Lead Forensics alternatives
1. Warm AI: best if you want more visitors named, on a monthly plan
Warm AI checks several identification providers at once, including Snitcher and RB2B along with 7 more data sources, and keeps the best match. US visitors are shown as named people with their LinkedIn profile. UK and EU visitors are shown as companies, in line with UK GDPR and GDPR. Setup is one line of code, and visitors go straight into HubSpot, Slack, HeyReach, Valley or a CSV.
Plans start at £89 a month with no contract, and there is a 14-day free trial with no card needed. See pricing.
2. Leadfeeder: best for a free starting point
Leadfeeder identifies companies and has a free plan covering 100 companies a month with 7 days of history. Paid plans identify more companies and, on the Activate plan and above, add contact details paid for with credits. It is company level, so you will not see the person who visited. See our Leadfeeder alternative page.
3. Snitcher: best for low-cost company identification
Snitcher identifies companies and advertises plans from $49 a month for up to 50 companies, with a 14-day trial and no card needed. You can sign up yourself, with monthly or annual billing. Snitcher is also one of the providers Warm AI checks.
4. RB2B: best for US-only teams that want named people
RB2B names individual US visitors and sends them to Slack, with a free plan at company level and paid plans from $79 a month. Email addresses start on its Pro plan at $149 a month. Person-level identification is US only, so UK and EU visitors appear as companies at best. RB2B is another of the providers inside Warm AI. See our RB2B alternative page.
5. Warmly: best for teams that want chat and automation in one platform
Warmly identifies companies and people. Its visitor identification plan starts at $10,000 a year, or $4,875 a quarter, and plans with website chat start at $20,000 a year. It suits larger teams that want identification and engagement in one platform. Warmly announced on 30 June 2026 that it has agreed to be acquired by HubSpot. See our Warmly alternative page.
6. Factors.ai: best if you also want ad and account-based marketing analytics
Factors.ai identifies companies and adds account-based marketing tools and features aimed at LinkedIn and Google Ads results. Person-level identification is an add-on that uses RB2B. It has a free plan, does not publish paid prices, and says it typically bills on annual contracts.
Lead Forensics vs Leadfeeder, Warmly, Factors.ai and RB2B
Lead Forensics vs Leadfeeder
Both identify companies, not individual visitors. The difference is how you buy. Leadfeeder publishes its prices, has a free plan and lets you start without speaking to sales. Lead Forensics quotes after a demo and a one-week trial, and lists a dedicated customer success manager among its features.
Lead Forensics vs Warmly
Lead Forensics focuses on identifying companies. Warmly identifies companies and people, starting at $10,000 a year, and offers chat and automation on plans from $20,000 a year. Choose Warmly if you want one platform for identification and engagement. Choose Lead Forensics if you want company data with a managed service.
Lead Forensics vs Factors.ai
Both are company level by default. Factors.ai adds ad and account-based marketing analytics and can add person-level data through RB2B. Lead Forensics includes business contacts at the identified company and a built-in lead and pipeline manager.
Lead Forensics vs RB2B
RB2B names the individual visitor, but only for US traffic, and publishes prices from $79 a month. Lead Forensics identifies companies rather than people, so it is not limited to US traffic, and gives you business contacts at those companies. The choice comes down to where your traffic is and whether you need the person or the company.
How to switch from Lead Forensics without a gap in your data
- Find your renewal date and notice period. They are in your Lead Forensics order form or contract. The notice deadline is often well before the renewal date.
- Start a trial of the new tool before that deadline. Give yourself at least two weeks.
- Run both on the same traffic. Add the new tool's tracking code alongside the Lead Forensics code. Compare which companies each one identifies on the same visits.
- Give notice in the way your contract asks for it. Usually that means in writing, and before the deadline.
- Move your CRM connection and alerts to the new tool.
- Remove the Lead Forensics tracking code from your website or tag manager once the contract ends.
This is general guidance, not legal advice. Your own contract decides your notice period.
When Lead Forensics is still the right choice
Lead Forensics is a good fit if you want a managed service with a dedicated customer success manager, unlimited users, and a built-in lead and pipeline manager. It connects to Salesforce, Microsoft Dynamics 365, Pipedrive and Zoho. Warm AI currently connects to HubSpot. If company-level data is enough for you and you prefer a sales-led relationship to a self-serve tool, it remains a reasonable choice.
Why we built Warm AI
At Lead Forensics, Jake and Tom saw the same thing week after week. Buyers landed on a customer's website, looked at pricing and left without getting in touch. We wanted to show teams more of those buyers. Warm AI checks several identification providers at once, names US visitors, and comes on a monthly plan you can leave.
Start your 14-day free trial. No card needed.
Frequently asked questions
How much does Lead Forensics cost?
Lead Forensics does not publish its prices. Its pricing page says cost depends on how much traffic your website gets, and you receive a quote after a demo and a one-week trial.
Is there a free alternative to Lead Forensics?
Yes. Leadfeeder has a free plan for up to 100 companies a month, and RB2B has a free plan at company level. Warm AI, Snitcher and Leadfeeder offer 14-day free trials with no card needed.
Does Lead Forensics identify individual visitors?
Not as its main product. Lead Forensics says it focuses on company-level identification. It gives you business contacts at the visiting company where available, not the person who visited.
Can I cancel Lead Forensics?
That depends on your contract, which Lead Forensics does not publish. Check your order form for the renewal date and notice period, and give notice in writing before the deadline.
What is the closest alternative to Lead Forensics?
For company identification across the UK and Europe, Leadfeeder and Snitcher work in a similar way, with published prices. Warm AI does the same and also names US visitors, on a monthly plan.
Is Warm AI GDPR compliant?
Warm AI works under GDPR and UK GDPR. UK and EU visitors are shown at company level, and a data processing agreement is available on request.