In the unforgiving arena of B2B prospecting, choosing the right tool can mean the difference between a stagnant pipeline and a lead-generating machine running at full speed. By 2025, LeadFuze, Waalaxy, and Emelia.io are vying for the crown, each with unique weapons: massive databases, formidable LinkedIn automation, or unbeatable value for money. Whether you're a freelancer on a tight budget, a French-speaking SME looking to scale, or a large team targeting the US market, choosing the right tool can transform your results.
But with prices ranging from €37 to over $400/month, features like voice messages and mass scraping, and risks like LinkedIn bans, how do you know which one is right for you? This comparison breaks it all down: what each tool does, its strengths, its weaknesses, user feedback, customer support, and who they're made for. Get ready to discover which tool will propel your prospecting in 2025!
Detailed presentation of each tool
LeadFuze

What exactly does LeadFuze do? LeadFuze is a B2B platform that uses artificial intelligence to aggregate and verify, in real time, a colossal database of 500 million professional profiles and 10 million companies. Its AI assistant, FuzeBot, is the heart of the tool: it automatically generates lists of prospects based on hyper-precise criteria, such as AdWords advertising budget, technologies used (Shopify, HubSpot), or workforce growth. Users validate these lists before launching campaigns, ensuring refined targeting.
LeadFuze excels at cold emailing, with automated sequences, customizable templates, A/B testing to optimize messages, and email validation to minimize bounces (deliverability rate >95% according to Capterra). It provides professional emails, phone numbers, and company data (size, revenue), and integrates with CRMs such as Salesforce, HubSpot, Pipedrive, and Zapier.
The tool also offers an Email Signature Generator for professional signatures. Designed for sales teams, marketers, agencies, and recruiters, LeadFuze is particularly effective for the US market, although its European coverage is still developing. Its metrics (response rates, conversions) allow campaigns to be adjusted in real time.
Strengths
Massive database: 500 million profiles, 10 million companies, verified by AI.
Advanced filters: Targeting by AdWords budget, technologies, or growth.
Robust cold emailing: Sequences, A/B testing, email validation.
Seamless integrations: Salesforce, HubSpot, Mailshake.
Versatility: Suitable for large teams and agencies.
Weakness
No native LinkedIn automation.
Limit of 1,000 emails per list, requiring the creation of multiple lists.
Limited European coverage, currently being improved.
Lead Fuze pricing

Waalaxy

What exactly does Waalaxy do? Waalaxy is a LinkedIn automation and multi-channel prospecting platform that simplifies B2B lead generation for over 100,000 users. It automates connection requests (up to 200 invitations/week, respecting LinkedIn limits), personalized messages, and profile visits to boost visibility, with a maximum of 800 actions per month.
A Chrome extension allows you to scrape LinkedIn Sales Navigator results (up to 2,500 profiles/day), extracting data such as names, titles, and companies. The Email Finder, through a partnership with DropContact, locates verified emails, billed only if found, ensuring a low bounce rate. Multi-channel sequences are a major asset: for example, send an email if a LinkedIn connection is ignored or schedule conditional follow-ups.
The Waalaxy Inbox centralizes LinkedIn conversation management with tags, filters, reminders, and templates, making exchanges seamless. The tool integrates with CRMs (HubSpot, Pipedrive, Zapier) and provides detailed analytics (20-30% acceptance rate, responses, conversions). Designed for salespeople, marketers, freelancers, and recruiters, Waalaxy boasts an intuitive interface and French-language support, but its dependence on Chrome poses a risk of detection by LinkedIn.
Strengths
LinkedIn automation: Ultra-efficient connections, messages, and visits.
Multi-channel sequences: Conditional scenarios (LinkedIn + email).
Simplicity: Intuitive interface, built-in tutorials.
French support: Ideal for French speakers.
Email Finder: Reliable partnership with DropContact.
Weaknesses
Risk of being banned via Chrome extension.
Recurring bugs (blocked campaigns, integrations).
Price increases since 2023.
Waalaxy pricing

Emelia.io

What exactly does Emelia.io do? Emelia.io is an all-in-one B2B platform that combines LinkedIn automation, cold emailing, and data scraping, with 100% cloud-based operation to minimize the risk of LinkedIn restrictions. It automates connection requests, messages, and profile visits on LinkedIn (1 to 20 accounts depending on the plan), while respecting the platform's limits (up to 300 connections/week).
Its LinkedIn Sales Navigator scraper extracts up to 30,000 results per search (names, titles, companies), although the exact method remains unclear for compliance reasons.
Email Finder (55-70% accuracy, bounce rate <1%) and Phone Finder enrich prospect databases with verified data, billed on a pay-per-use basis. An innovative feature allows you to send 60-second voice messages on LinkedIn, adding a personal touch to boost responses (up to 2x according to users, although not officially confirmed).

Emelia.io supports multi-channel campaigns (LinkedIn + email) with email warm-up included to avoid spam, and A/B testing to optimize messages. Integrations with CRMs (Pipedrive, HubSpot, Zapier) and an analytics dashboard (acceptance rates, responses) complete the offering.
Designed for SMEs, freelancers, and agile teams, Emelia.io stands out for its simplicity (set up in 3 minutes), ultra-strategic pricing ($37/month), and exceptional human support.
Strengths
Affordable: $37/month, no commitment.
Secure cloud: 24/7 automation, low risk.
Voice messages: Unique customization.
A/B testing: Campaign optimization.
French support: Responsive and friendly.
Weaknesses
Less advanced filters than LeadFuze.
Emelia's prices

Price comparison
Outil | basic plan | Intermediate plan | advance plan | free trial | Comments |
LeadFuze | 132,30 $/month | 447,30 $/month | Personnalised | 25-50 leads | Annual commitment, US focus, expensive. |
Waalaxy | 39 $/month | 99 $/month | 139 $/month (Business) or 490 $/month(Elite) | 7-15 days no card | Price increases since 2023, Inbox add-on ($20/month). |
Emelia.io | 37 $/month Connect up to 3 mailboxes, Connect 1 LinkedIn Accounts, Email Warmup Included, Unlimited Scraping, Unlimited contacts, Free credits: 500 | 97 $/monthConnect up to 50 mailboxes, Up to 5 LinkedIn Accounts, Unlimited Scraping (with segmented scraping), Unlimited Warmup, Unlimited contacts, 1 CRM Integration, Free credits: 1000 | 297 €/mois Unlimited Mailboxes, Up to 20 LinkedIn Accounts, Unlimited Scraping (with segmented scraping), Unlimited Warmup, Unlimited contacts, Multi CRM Integrations, Unlimited API Calls, Free credits: 5000 | no card | No commitment, credits included (500-5,000), best value for money. |
Analysis:
LeadFuze is the most expensive, with an annual commitment that may put off small businesses.
Waalaxy offers an affordable basic plan, but add-ons and price increases increase the actual cost.
Emelia.io, at $37/month with no commitment, is the most accessible, with credits included for Email/Phone Finder.
Feature comparison
Feature | LeadFuze | Waalaxy | Emelia.io |
LinkedIn Automation | ❌ | ✅ (800 actions/month) | ✅ (1-20 accounts) |
Cold Emailing | ✅ | ✅ | ✅ |
Sales Navigator Scraping | ❌ | ✅ (2.5k limit) | ✅ (30k results) |
Email Finder | ✅ | ✅ (via DropContact) | ✅ (pay per find) |
Phone Finder | ✅ | ❌ | ✅ |
LinkedIn Voice Messages | ❌ | ❌ | ✅ (unconfirmed) |
Email Warm-up | ✅ | ❌ (add-on €20/month) | ✅ (included) |
CRM Integrations | ✅ | ✅ | ✅ |
French Support | ❌ | ✅ | ✅ |
Secure Cloud | ✅ | ❌ (Chrome) | ✅ |
A/B Testing | ✅ | ✅ | ✅ |
Advanced Filters (AdWords, tech) | ✅ | ❌ | ❌ |
User experiences
LeadFuze
Ratings: 4.6/5 (Capterra), 94/100 (Crozdesk), 4.5/5 (GetApp).
Pros
“FuzeBot generates accurate lists in minutes, perfect for targeting SaaS” (Capterra, 2024).
“Email validation reduces bounces to <2%” (GetApp, 2025).
“Responsive support, clear tutorials” (Crozdesk).
Negatives
“Limit of 1,000 emails per list, frustrating for large volumes” (Capterra, 2024).
“Insufficient European data” (GetApp, 2025).
“Outdated interface, no alerts for failed emails” (Crozdesk).
Source: Capterra, Crozdesk, GetApp.
Waalaxy
Ratings: 4.8/5 (Chrome Store), 4.5/5 (Trustpilot, 899 reviews).
Pros
“LinkedIn connections boosted by 25%, ultra-simple interface” (Trustpilot, August 2024).
“Waalaxy Inbox makes message management easier” (Chrome Store, 2025).
“Fast support in French” (SalesRobot, 2024).
Negatives
“Frequent bugs: campaigns blocked for no reason” (Trustpilot, April 2024).
“Unjustified price increases since 2023” (SalesRobot, 2025).
“Risk of being banned with Chrome, I had to slow down” (GetApp, 2024).
Source: Trustpilot, Chrome Store, SalesRobot.
Emelia.io
Ratings: 4.8/5 (Trustpilot, limited reviews).
Pros
“$37/month, set up in 3 minutes, perfect for freelancers” (Emelia.io, 2024).
“Amazing human support, Niels responds within hours” (Trustpilot, 2023).
“A/B testing and voice messages boost responses” (Big Check, 2025).
Negatives
“Less accurate targeting than LeadFuze, no AdWords filters” (Trustpilot, 2024).
“Promising voice messages, but not yet confirmed” (GetApp, 2025).
Source: Emelia.io, Trustpilot, Big Check.
Customer support
LeadFuze
Review: 4.6/5 (Capterra). Responsive via chat and email, useful tutorials to get started.
Strengths: Fast responses, effective technical solutions.
Weaknesses: Slow to respond to billing issues, no phone support.
Channels: Live chat, email, knowledge base.
Example: “Support resolves bugs within 24 hours, but billing is slow” (Capterra, 2024).
Waalaxy
Review: 4.5/5 (Trustpilot). Responds to 100% of negative reviews within two days, support in French.
Strengths: Availability, quick responses to technical errors.
Weaknesses: Responses are sometimes generic, complaints about unauthorized billing (Trustpilot, February 2025).
Channels: 24/7 AI chat (human response within 24 hours), email, demo on request.
Example: “Great French support, but bug not resolved after 3 exchanges” (Trustpilot, 2024).
Emelia.io
Review: 5/5 (Trustpilot). Praised for its human and personalized support.
Strengths: Responsive team (Niels, Marie, Charles), practical advice.
Channels: Chat, email, direct human support, in French.
Example: “Niels solved my problem in 2 hours, which is rare!” (Trustpilot, 2023).
Analysis: Emelia.io stands out for its fast, human support, surpassing Waalaxy (generic responses) and LeadFuze (limited billing).
Who are they for?
LeadFuze
Audience: Large sales teams, marketing agencies, recruiters with big budgets, targeting the US market.
Use cases: Mass cold emailing, niche campaigns (e.g., Shopify e-commerce with AdWords budget).
Example: A US agency targeting SaaS with a $50k+ advertising budget.
Why: Massive database, advanced filters, robust emailing.
Waalaxy
Audience: Freelancers, SMEs, marketers, French-speaking recruiters with moderate budgets.
Use cases: LinkedIn networking, simple multi-channel prospecting.
Example: A French consultant developing their LinkedIn network to find clients.
Why: Effective LinkedIn automation, intuitive interface, French support.
Emelia.io
Audience: Large companies, SMEs, startups, freelancers, and dynamic teams around the world, from Europe to the US, Canada, and India.
Use cases: Secure and effective prospecting via LinkedIn and email, with A/B testing to optimize campaigns, voice messages to stand out, and massive scraping for ultra-targeted leads.
Example: A tech startup in the US scaling its B2B pipeline, a large European company automating its LinkedIn campaigns, or an Indian freelancer developing their international network.
Why: Emelia.io combines a secure cloud platform, innovative features (voice messages, A/B testing, scraping up to 30k results), and strategic pricing (starting at $37/month) to maximize impact, regardless of company size or market.
Conclusion
LeadFuze excels as a data powerhouse with substantial budgets, but its high price ($132.30/month, annual commitment) and lack of LinkedIn automation limit its appeal for companies looking for a versatile solution.
Waalaxy shines for LinkedIn automation, particularly among French speakers, but its frequent bugs, price increases (€39-490/month), and risks associated with its Chrome extension tarnish its potential.
Emelia.io stands out as a simple, effective, and affordable cold emailing and B2B prospecting solution. With an intuitive platform and advanced features such as automation, scraping, and multi-channel campaigns, it allows businesses and freelancers to optimize their campaigns without unnecessary complexity. User feedback highlights the exceptional responsiveness of customer support and regular updates that make the tool increasingly smooth.
With a competitive price and a focus on the essentials, Emelia.io is an ideal choice for those who want to maximize their results while staying within their budget. In short, it is a trusted partner to boost your prospecting and achieve your growth goals with agility.