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Merlin 2.0

The Only AI powered Copilot for Chrome you'll ever need 🤯

★★★★★ 4.9/5
FactScore™ 43.9
VS

TheLibrarian.io

Your WhatsApp AI Assistant

★★★★★ 5.0/5
FactScore™ 69.9

Updated February 2026

Merlin 2.0 TheLibrarian.io
Rating 4.9★ 5.0★
Reviews 7 24
Pros 12 1
FactScore™ 43.9 69.9

FactScore™ Comparison

FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.

43.9
Merlin 2.0 FactScore™
👑
69.9
TheLibrarian.io FactScore™
★ TheLibrarian.io wins on FactScore™

Pros & Cons

Only in Merlin 2.0 — Pros

User-friendly interface AI-generated responses Productivity boost Sleek chat interface YouTube summaries Blog summaries Centralized information Command bar Free Pro plan LinkedIn integration Multilingual chat Twitter integration

Both tools — Pros

—

Only in TheLibrarian.io — Pros

WhatsApp integration

Only in Merlin 2.0 — Cons

Missing features Bugs Slow performance

Both tools — Cons

—

Only in TheLibrarian.io — Cons

Reminders Scheduling

Details

Merlin 2.0 TheLibrarian.io
Categories AI Chatbots, Writing assistants, Chrome Extensions Productivity, AI Chatbots
Platforms Web Web
Became Popular April 28, 2023 April 17, 2025
Website merlin.foyer.work thelibrarian.io

Who Should Pick Which?

Choose Merlin 2.0 if...

  • User-friendly interface
  • AI-generated responses
  • Productivity boost

Choose TheLibrarian.io if...

  • WhatsApp integration

With a FactScore™ of 43.9 vs 69.9, TheLibrarian.io leads in community reception. Merlin 2.0 uniquely offers User-friendly interface and AI-generated responses, while TheLibrarian.io stands out for WhatsApp integration.

3

What Users Say

Merlin 2.0

K
Kanstantsin Apr 29, 2023
★★★★★

Merlin 2.0 is a game changer for anyone looking to boost their productivity across multiple sites. Whether you're trying to crunch long blogs and podcasts into bite-sized pieces, or need to craft a...

P
Puneet Apr 28, 2023
★★★★★

Hey Product Hunt community! 🚀 We've designed this tool with the aim of enhancing your browsing experience and assisting you more efficiently. I would love to hear your feedback on its functionalit...

U
Udayraj Apr 28, 2023
★★★★★

🚀🎉 Congrats to the Merlin team on launching 2.0! 🌟 As a loyal user, I can attest to the immense value this AI-powered extension brings. The new features, including multilingual chat and AI-gener...

TheLibrarian.io

A
Angeline Apr 17, 2025
★★★★★

I've been using The Librarian daily, and it's quickly become an essential part of my workflow. The more I use it, the smarter it gets - learning my habits, anticipating my needs, and asking exactly...

R
Rwan Jan 29, 2026
★★★★★

Polished "AI on WhatsApp" — searches the web, summarizes, answers. Easy to use, no setup.

J
James May 16, 2025
★★★★★

As a content creator and educator, I juggle classes, content production, and client meetings daily. TheLibrarian.io has been a total game-changer. I use it to auto-schedule my calendar, send well-s...

Frequently Asked Questions

Which is better, Merlin 2.0 or TheLibrarian.io?

Based on FactScore™, TheLibrarian.io leads with a score of 69.9 vs 43.9. TheLibrarian.io has a higher rating of 5.0★ compared to 4.9★.

What are the pros of Merlin 2.0 compared to TheLibrarian.io?

Merlin 2.0 uniquely offers: User-friendly interface, AI-generated responses, Productivity boost, Sleek chat interface, YouTube summaries.

What are the pros of TheLibrarian.io compared to Merlin 2.0?

TheLibrarian.io uniquely offers: WhatsApp integration.

Is Merlin 2.0 better rated than TheLibrarian.io?

Merlin 2.0 is rated 4.9★ from 7 reviews. TheLibrarian.io is rated 5.0★ from 24 reviews.

What is the FactScore™ of Merlin 2.0 and TheLibrarian.io?

FactScore™ weighs rating and review volume together. Merlin 2.0 scores 43.9 and TheLibrarian.io scores 69.9.

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