In short

WhatConverts is a real product solving a real problem. For businesses where most of the leads come in by phone. Call tracking is harder to do than form tracking, and they do it well.

But call tracking comes with a real cost: $30+ per tracking number per month, plus per-minute charges, plus the setup work of porting numbers and configuring IVR routing. If your leads come in through forms. Which is true for most SMBs running web-based lead-gen. You’re paying for capability you don’t use.

The capabilities, honestly compared

Where each tool wins, where they overlap, and where they don’t.

Capability WhatConverts Lead Source
Form tracking
Capture source on every form submissionYesYes
Auto-detect every form on every pageSome forms need configAll forms, automatic
Capture full page journey before submitLast-touch onlyFull session
Push attribution into your CRM contactYes (via Zapier)Direct API, no Zapier
Works with HubSpot, Salesforce, Close, Keap, EloquaVia ZapierNative
Call tracking
Track inbound calls from adsYesNo
Dynamic number insertion (DNI)YesNo
Call recording & transcriptionYesNo
IVR routing & whisper messagesYesNo
Privacy & reliability
Works without cookiesNo, cookie-basedYes. No cookies
Survives ad-blockersPartialServer-side capture
Outside ePrivacy / PECR scopeIn scopeOut of scope
Aligned with GDPR, UK GDPR, APPConfigurableBy design
Pricing
Free tierNofree tier
Entry priceFrom ~$30/mo + per number$19/mo flat
Per phone number monthly feeYes. Per numberN/A
Per-minute call chargesYesN/A
Annual contractCommonMonth-to-month
Setup
Install timeDays (number porting)~5 minutes
Australian / international phone numbersMostly US-centricN/A. No phones

Who should pick which?

It’s not about features. It’s about where your leads actually come from.

Pick WhatConverts if

Most of your leads come in by phone.

  • You run search ads that drive phone calls (trades, locksmiths, plumbers, emergency services)
  • You need call recording, transcription, or IVR routing
  • You have a sales team taking inbound calls and need attribution for them
  • You’re primarily US-based and want one tool that handles calls + some forms
  • You can absorb $30+/month per tracking number into your CAC math

Pick Lead Source if

Most of your leads come in by form.

  • Your enquiry path is “visitor browses site, fills out contact form”
  • You don’t need call tracking and don’t want to pay for capability you won’t use
  • You want one flat monthly price, not per-number fees
  • You’re GDPR/UK GDPR/APP-conscious and don’t want a cookie-based tracker
  • You want to be live in five minutes, not after a number-porting process

Already paying for WhatConverts?

If your phone leads are minimal, or you mostly use WhatConverts for form tracking and barely touch the call features. You’re likely overpaying by $200-500/month for capability you don’t use.

What you’ll lose moving to Lead Source: call tracking, call recording, DNI, IVR routing. If those are dormant in your account, you lose nothing in practice.

What you’ll save: the per-number monthly fees, the per-minute charges, the annual contract lock-in. For most SMBs running form-led lead-gen, that’s $200-400/month back.

What you’ll gain: a five-minute install, no cookies, native CRM writes without Zapier, and source data that survives ad-blockers and consent refusals.

For how both tools sit in the wider market, see the marketing attribution software comparison.