Lead411 vs Warmly

Both tools are listed under Buyer Intent Data & Account-Based Marketing, and both have been fact-checked by a named editor. This page lines up their structured data and quotes each review’s limitations and pricing notes; it does not pick a winner.

Lead411

B2B sales intelligence platform pairing direct contact data and verified mobile dials with growth triggers and intent signals for outbound prospecting.

Pricing: $49–$150/seat/mo · Autonomy: L2 · Workflow copilot · Moat: 3.7/5.0 (Proprietary moat)

Target fit: B2B SaaS (Web SaaS)

Read the Lead411 review

Warmly

Autonomous revenue orchestration platform capturing real-time website buyer intent via de-anonymization and executing automated multichannel sales engagement.

Pricing: From $10,000/yr · Autonomy: L3 · Conditional automation · Moat: 3.8/5.0 (Proprietary moat)

Target fit: B2B SaaS, DTC / eCommerce, Enterprise Brands (Web SaaS)

Read the Warmly review

How Lead411 and Warmly differ

Pricing model: Lead411 is per seat, Warmly is subscription.
Entry price: Lead411 starts lower ($49–$150/seat/mo) than Warmly (From $10,000/yr).
AI autonomy: Warmly is rated L3 · Conditional automation, Lead411 L2 · Workflow copilot on the MarTechRadar scale.
Lead411 was founded earlier (2001) than Warmly (2020).
Headquarters: Lead411 in Boulder, Colorado, Warmly in San Francisco, US.

Computed from the fields below. Only editor-verified ratings and vendor-sourced prices are compared.

Side-by-side facts

Field	Lead411	Warmly
Subtrack	Buyer Intent Data & Account-Based Marketing	Buyer Intent Data & Account-Based Marketing
Pricing	$49–$150/seat/mo	From $10,000/yr
Pricing model	Per seat	Subscription
Free access	Free trial	No free plan disclosed
Enterprise plan	Not recorded	Not recorded
AI autonomy level	L2 · Workflow copilot	L3 · Conditional automation
Moat tier	Proprietary moat	Proprietary moat
Delivery	Web SaaS	Web SaaS
Audience	B2B SaaS	B2B SaaS, DTC / eCommerce, Enterprise Brands
Headquarters	Boulder, Colorado	San Francisco, US
Fact-checked	Sarah Per, Oct 12, 2026	Tim Fenolz, Oct 7, 2026

AI Head-to-Head Procurement Simulator · Evidence-Locked Dossier

Lead411 vs Warmly: TCO & constraint stress test

Test how both tools behave under your team size, monthly budget ceiling, CRM ecosystem, and governance guardrails.

1. Team / Seat Scale

2. Monthly Budget Ceiling

3. Primary Stack

4. Guardrail

Under a 5-seat / $800/mo profile, Lead411 carries lower procurement friction (Low Procurement Risk · Strong Fit) than Warmly (High Deal-Risk · Constraint Mismatch). Seat-adjusted floor: Lead411 starts lower (~$245/mo) than Warmly (~$833/mo).

Lead411

Low Procurement Risk · Strong Fit

Estimated Floor (5 Seats · Entry / Starter)$245 / mo ($2,940 / yr floor)Exact seat math: 5 seats × $49/seat/mo on Entry / Starter ($49–$150/seat/mo). Upgrading to Growth / Professional ($150/seat/mo) equals $750/mo ($9,000/yr).Fits within $800/mo cap (31% of ceiling at base floor)

Published Self-Serve Entry Floor: Lead411 publishes a transparent entry point ($49–$150/seat/mo) with a free trial for initial validation before committing.
Linear Per-Seat Scaling (5 Seats × $49/seat/mo): Base license scales linearly with operator headcount ($245/mo for 5 seats on Entry / Starter).
Primary Operational Bottleneck: Intent Granularity: Intent data relies predominantly on mapped third-party cooperative surges rather than granular first-party web interaction telemetry, obscuring specific on-site prospect journeys.

Walk-Away Rule: Walk away if your workflow requires uncapped enterprise volume on the $49–$150/seat/mo entry plan without upgrading tiers.

Negotiation Lever: Validate exact quota thresholds (seats, credits, or API calls) included in Lead411's $49–$150/seat/mo tier before converting from monthly to annual billing.

Lead411 Pricing ↗Full Lead411 Review →

Warmly

High Deal-Risk · Constraint Mismatch

Estimated Floor (5 Seats · Entry / Starter)$10,000 / yr upfront (~$833 / mo)Published annual floor (From $10,000/yr). Entry tier baseline.Exceeds your $800/mo cap by +$33/mo

Budget Ceiling Breached ($833/mo vs. $800/mo cap): At 5 seats, Warmly's verified entry floor (From $10,000/yr) exceeds your $800/mo budget before add-ons or overages.
Annual Contract Lock-in Risk Detected: Warmly licenses its platform through modular annual contracts segmented by functional automation capabilities and monthly credit volumes. The entry tier, focused on web de-anonymization and CRM synchronization, starts from $10,000 per year for baseline credit allotments.
Primary Operational Bottleneck: Resolution Match Degradation: De-anonymization precision declines sharply when target personas browse from remote or residential networks lacking deterministic corporate IP mappings.

Walk-Away Rule: Walk away if your primary target audience works remotely, as residential network traffic sharply degrades reverse-IP resolution precision.

Negotiation Lever: Negotiate credit rollover terms to ensure unused monthly allocations do not expire at the end of each billing cycle.

Warmly Pricing ↗Full Warmly Review →

Interactive Head-to-Head Scenario Red-Teamer · Fact-Gate Verified

Limitations

Lead411

Operational considerations and platform boundaries include: Intent Granularity: Intent data relies predominantly on mapped third-party cooperative surges rather than granular first-party web interaction telemetry, obscuring specific on-site prospect journeys.

Full limitations in the Lead411 review

Warmly

Operational considerations and platform boundaries include: Resolution Match Degradation: De-anonymization precision declines sharply when target personas browse from remote or residential networks lacking deterministic corporate IP mappings.

Full limitations in the Warmly review

Pricing notes

Lead411: $49–$150/seat/mo

Lead411 employs a transparent per-seat software-as-a-service licensing model. Prospective teams can evaluate the database using a Free trial with limited lead credits.

Pricing details in the Lead411 review

Lead411 pricing page

Warmly: From $10,000/yr

Warmly licenses its platform through modular annual contracts segmented by functional automation capabilities and monthly credit volumes. The entry tier, focused on web de-anonymization and CRM synchronization, starts from $10,000 per year for baseline credit allotments.

Pricing details in the Warmly review

Warmly pricing page

Frequently asked questions: Lead411 vs Warmly

How does Lead411 pricing compare to Warmly in 2026?

Lead411 is listed at $49–$150/seat/mo (per seat, free trial), whereas Warmly is listed at From $10,000/yr (subscription, no free plan disclosed).

How do Lead411 and Warmly compare on AI autonomy and moat depth?

On the MarTechRadar L1–L5 scale, Lead411 is rated L2 · Workflow copilot with a Proprietary moat moat (3.7/5.0), while Warmly is rated L3 · Conditional automation with a Proprietary moat moat (3.8/5.0).

Which teams are Lead411 and Warmly built for?

Lead411 is a Web SaaS product in Buyer Intent Data & Account-Based Marketing designed for B2B SaaS. Warmly is a Web SaaS product in Buyer Intent Data & Account-Based Marketing designed for B2B SaaS, DTC / eCommerce, Enterprise Brands.

What are the main limitations of Lead411 vs Warmly?

For Lead411: Operational considerations and platform boundaries include: Intent Granularity: Intent data relies predominantly on mapped third-party cooperative surges rather than granular first-party web interaction telemetry, obscuring specific on-site prospect journeys. For Warmly: Operational considerations and platform boundaries include: Resolution Match Degradation: De-anonymization precision declines sharply when target personas browse from remote or residential networks lacking deterministic corporate IP mappings.

Excerpts are quoted verbatim from each fact-checked review. Last updated Oct 12, 2026.