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Liner

Search without Doubt

★★★☆☆ 2.7/5
FactScore™ 16.1
VS

TheLibrarian.io

Your WhatsApp AI Assistant

★★★★★ 5.0/5
FactScore™ 69.9

Updated February 2026

Liner TheLibrarian.io
Rating 2.7★ 5.0★
Reviews 3 24
Pros 4 1
FactScore™ 16.1 69.9

FactScore™ Comparison

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

16.1
Liner FactScore™
👑
69.9
TheLibrarian.io FactScore™
★ TheLibrarian.io wins on FactScore™

Pros & Cons

Only in Liner — Pros

Easy to use Browser extension Chatgpt integration Great for research

Both tools — Pros

—

Only in TheLibrarian.io — Pros

WhatsApp integration

Only in Liner — Cons

Inaccurate information Limited refund policy Subscription issues Ads bombardment

Both tools — Cons

—

Only in TheLibrarian.io — Cons

Reminders Scheduling

Details

Liner TheLibrarian.io
Categories Productivity, AI Infrastructure Tools Productivity, AI Chatbots
Platforms Web · iOS Web
Became Popular July 9, 2015 April 17, 2025
Website getliner.com thelibrarian.io

Who Should Pick Which?

Choose Liner if...

  • Easy to use
  • Browser extension
  • Chatgpt integration

Choose TheLibrarian.io if...

  • WhatsApp integration

With a FactScore™ of 16.1 vs 69.9, TheLibrarian.io leads in community reception. Liner uniquely offers Easy to use and Browser extension, while TheLibrarian.io stands out for WhatsApp integration.

3

What Users Say

Liner

W
Wayne Nov 14, 2023
★★★★★

This is the best AI assistant

K
Kim Jul 10, 2024
★★☆☆☆

Maybe 1.5 stars. I was bombarded with ads for Liner as a research assistant. It is supposed to provide accurate and real references along with useful answers. Answers I got were simply wrong, mixin...

L
Launch Jul 8, 2025
★☆☆☆☆

This company is a scam. When you sign up for a free trial, you unwittingly sign up for a yearly renewal. When your free trial is expiring, they offer you three free days, which you accept. Then the...

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, Liner or TheLibrarian.io?

Based on FactScore™, TheLibrarian.io leads with a score of 69.9 vs 16.1. TheLibrarian.io has a higher rating of 5.0★ compared to 2.7★.

What are the pros of Liner compared to TheLibrarian.io?

Liner uniquely offers: Easy to use, Browser extension, Chatgpt integration, Great for research.

What are the pros of TheLibrarian.io compared to Liner?

TheLibrarian.io uniquely offers: WhatsApp integration.

Is Liner better rated than TheLibrarian.io?

Liner is rated 2.7★ from 3 reviews. TheLibrarian.io is rated 5.0★ from 24 reviews.

What is the FactScore™ of Liner and TheLibrarian.io?

FactScore™ weighs rating and review volume together. Liner scores 16.1 and TheLibrarian.io scores 69.9.

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