Lead411 vs Seamless.AI: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Lead411 and Seamless.AI side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Lead411
The #1 B2B leads database with sales intelligence for accelerated lead generation.
Best for you if:
- • You want offers truly unlimited search and export on certain plans, unlike competitors
Seamless.AI
AI-powered sales software to find leads, book appointments, and close more sales.
Best for you if:
- • You want B2B lead data
| At a Glance | Lead411 | Seamless.AI |
|---|---|---|
Starts at | Free plan, paid from $40.83/mo, billed yearly Spark Warm Prospects plan | Free plan, paid from $99/user/mo, billed monthly Pro plan |
Category | Lead Generation Sales Intelligence | Lead Generation Sales Intelligence |
Rating | 4.6/5 G2 4.5 · Capterra 4.7 559 reviews | 4.4/5 G2 4.4 · Capterra 4.5 5,976 reviews |
Free plan | Yes | Yes |
Watch out for | "Ignite Hot Leads" is "starting at" $150/month, implying higher costs. | Credit accuracy issues: users report 20-30% of contact data (especially cell phones and emails) is outdated or incorrect, effectively wasting credits on bad data. |
Choose Lead411 or Seamless.AI?
Choose Lead411 if
- You want offers truly unlimited search and export on certain plans, unlike competitors
- You want provides triple-verified email addresses and double-verified direct dials for high accuracy
Choose Seamless.AI if
- You want B2B lead data
- You want good accuracy
In-Depth Analysis
Lead411
The #1 B2B leads database with sales intelligence for accelerated lead generation.
Lead411 offers a generous free trial and a competitive entry-level monthly plan at $49.
Watch out
"Ignite Hot Leads" is "starting at" $150/month, implying higher costs.
Strengths
- Pro: Offers truly unlimited search and export on certain plans, unlike competitors.
- Pro: Provides triple-verified email addresses and double-verified direct dials for high accuracy.
- Pro: Includes growth intent data to identify companies actively in a buying mode.
- Pro: Seamlessly integrates with over 25 CRM and sales engagement platforms.
- Pro: Offers a 7-day free trial with 50 free lead exports.
Weaknesses
- Con: Pricing for the 'Ignite' and 'Blaze' plans requires direct contact for a custom quote, lacking transparent upfront pricing for higher tiers.
- Con: Monthly billing is available for some plans, but annual billing is encouraged for better pricing and features.
Key features
Seamless.AI
AI-powered sales software to find leads, book appointments, and close more sales.
The Free plan gives you just 50 lifetime credits to test data quality.
Watch out
Credit accuracy issues: users report 20-30% of contact data (especially cell phones and emails) is outdated or incorrect, effectively wasting credits on bad data.
Strengths
- Pro: B2B lead data
- Pro: Good accuracy
- Pro: CRM integration
- Pro: Active development
- Pro: Real-time data
Weaknesses
- Con: Expensive
- Con: Privacy concerns
- Con: Data accuracy varies
- Con: Per-credit pricing
- Con: Sales-heavy approach
Key features
Plans and prices: Lead411 vs Seamless.AI
| Tool | Plans and prices | Source |
|---|---|---|
| Lead411 |
| lead411.com/pricing read Oct 8, 2026 |
| Seamless.AI |
| seamless.ai/pricing read Oct 1, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Lead411 pricing and Seamless.AI pricing.
Key Takeaways
Lead411
- Choose if you want the #1 B2B leads database with sales intelligence for accelerated lead generation
Seamless.AI
- Choose if you want AI-powered sales software to find leads, book appointments, and close more sales
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- User ratings are within 0.2 points (4.6/5 from 559 reviews for Lead411, 4.4/5 from 5,976 reviews for Seamless.AI).
- Entry prices are not ranked, they are charged on different bases: Lead411 $40.83/mo, billed yearly; Seamless.AI $99/user/mo, billed monthly.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Lead411 and Seamless.AI compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. User ratings are within 0.2 points (4.6/5 from 559 reviews for Lead411, 4.4/5 from 5,976 reviews for Seamless.AI). Entry prices are not ranked, they are charged on different bases: Lead411 $40.83/mo, billed yearly; Seamless.AI $99/user/mo, billed monthly. Both have a free plan.
What are Lead411 and Seamless.AI used for?
Lead411: The #1 B2B leads database with sales intelligence for accelerated lead generation. Seamless.AI: AI-powered sales software to find leads, book appointments, and close more sales.
What does Lead411 cost vs Seamless.AI?
Lead411's cheapest paid plan is Spark Warm Prospects at $40.83/mo, billed yearly; it also has a free plan. Seamless.AI's cheapest paid plan is Pro at $99/user/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Oct 8, 2026.
What's the main difference between Lead411 and Seamless.AI?
Lead411's main strength: offers truly unlimited search and export on certain plans, unlike competitors. Seamless.AI's main strength: B2B lead data.