lemlist vs Knowly AI vs Socialprofiler vs Merlio: Which Marketplace Technology tool is Best in 2025?

All these tools lemlist , Knowly AI , Socialprofiler , Merlio offer flexible pricing models suitable for Collectors, resellers, shoppers, and small businesses seeking AI-powered solutions to enhance their Marketplace Technology efforts.

lemlist

Starting from
$55/month
Pricing Model:
  • Email Pro - $55/month/user
  • Multichannel Expert - $79/month/user
  • Enterprise - Custom

Knowly AI

Starting from
$7.9/month

Socialprofiler

Starting from
$4.99/month
Pricing Model:
  • Personal - $6.99/month
  • Family - $12.24/month
  • Small business - $79.99/month
  • Professional - $149.99/month
  • Large business - $599.99/month
  • Corporate - $1099.99/month

Merlio

Starting from
$9.99/month

These AI tools are among the best Marketplace Technology tools available in 2025. For Collectors, resellers, shoppers, and small businesses, tools like lemlist , Knowly AI , Socialprofiler , Merlio help streamline the Marketplace Technology process by offering AI-powered features.

What is lemlist?

lemlist is a powerful, all-in-one prospecting and outreach automation platform designed to help B2B sales teams find, engage, and convert high-quality leads. By combining lead generation, contact enrichment, and personalized multichannel outreach (email, LinkedIn, and calls), lemlist enables sales professionals to streamline their workflows, avoid spam folders, and achieve higher reply rates. With integrations for popular CRMs like HubSpot and tools like Aircall, lemlist fits seamlessly into existing sales stacks, making it a go-to solution for businesses aiming to scale their outreach efforts efficiently.

What is Knowly AI?

Knowly AI is an advanced AI platform that empowers businesses, startups, and enterprises with reliable AI agents that automate web browsing routines and integrate with internal knowledge bases. Founded by a team led by YT, Knowly learns user-specific browsing patterns to eliminate repetitive tasks, delivering curated information with precision. Unlike generic AI chatbots, it offers secure, scalable deployment options cloud, on-premises, or private cloud making it ideal for cybersecurity professionals, data analysts, and business strategists.

What is Socialprofiler?

Socialprofiler is an AI-powered platform that analyzes social media activity on platforms like Facebook, TikTok, Instagram, and X to create detailed reports on a person’s interests, locations, and professions. It goes beyond traditional background checks by identifying red flags and mapping personal networks, helping users make informed decisions in various contexts. It offers reverse social media lookups using names, usernames, or states.

What is Merlio?

Merlio is an all-in-one AI platform designed to enhance digital experiences by providing access to advanced AI tools under a single subscription. It integrates top-tier models like GPT-4, Claude 3, DALL-E, OpenAI, Stability.ai, Gemini, and Mistral, offering features such as AI-driven conversation models, high-quality image enhancement, video generation, and custom content creation. Aimed at marketers, content creators, businesses, and individuals, Merlio streamlines workflows with tools for text correction, SEO-optimized content, email drafting, and professional-grade image editing. Its user-friendly dashboard, customizable AI solutions, and affordable pricing make it a cost-effective alternative to multiple AI subscriptions.

lemlist
(4.5/5)
  • Accuracy and Reliability:
    4.6
  • Cost-Efficiency:
    4.5
  • Customization and Flexibility:
    4.7
  • Data Privacy and Security:
    4.4
  • Ease of Use:
    4.6
  • Functionality and Features:
    4.5
  • Integration Capabilities:
    4.7
  • Performance and Speed:
    4.3
  • Support and Resources:
    4.6
Knowly AI
  • No ratings found!
Socialprofiler
(4.5/5)
  • Accuracy and Reliability:
    4.7
  • Cost-Efficiency:
    4.8
  • Customization and Flexibility:
    4.6
  • Data Privacy and Security:
    4.7
  • Ease of Use:
    4.4
  • Functionality and Features:
    4.5
  • Integration Capabilities:
    4.3
  • Performance and Speed:
    4.6
  • Support and Resources:
    4.2
Merlio
  • No ratings found!
lemlist
No ratings yet.
Be the first!
Knowly AI
No ratings yet.
Be the first!
Socialprofiler
No ratings yet.
Be the first!
Merlio
No ratings yet.
Be the first!

lemlist

Pros

Robust lead database with smart filters for precise targeting.

AI-powered personalization for emails

images

and landing pages.

Multichannel automation unifies email

LinkedIn

and call workflows.

Free lemwarm tool enhances email deliverability.

Seamless integrations with CRMs like HubSpot and Salesforce.

Intuitive interface with comprehensive analytics for campaign tracking.

Cons

Slight learning curve for advanced features.

Pricing may be high for small teams or startups.

Some pre-built templates lack deep customization options.

Occasional performance lags during high-volume campaigns.

Not Enough Data!

Socialprofiler

Pros

99% accurate interest analysis.

Instant reports in seconds.

Affordable at $6.99/month.

Easy-to-use dashboard.

Detects red flags.

Cons

Limited to public accounts.

Minimal integrations.

Lacks data handling transparency.

Limited live support.

Not Enough Data!

If you're looking for other Marketplace Technology tools for Collectors, resellers, shoppers, and small businesses, you can also explore Whatnot, Snappr, which are highly rated in 2025.

lemlist
  • lemlist
  • Paris, France
Knowly AI
  • Not Data Available!
Socialprofiler
  • Not Data Available!
Merlio
  • Not Data Available!