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Fallacy: Brain Training Logic

Fallacy: Brain Training Logic

Psychology & Critical Thinking

58 ratings
27 reviews
🎮 Games
📚 Education
🧩 Puzzle
Free
In-App Purchases

Details

Released
April 4, 2025
Updated
October 20, 2026

Features

Developer

VERTEX STUDIOS LTD
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About

This app teaches logical reasoning and critical thinking skills by turning the identification of logical fallacies and cognitive biases into a game. It offers structured brain training with daily exercises and timed challenges, using real-world scenarios and media to build applied intelligence.

✓Identify 30+ logical fallacies
✓Recognize 20+ cognitive biases
✓Daily brain exercises
✓Timed reasoning challenges
✓Debate Mode with real-world arguments
✓Progressive difficulty levels
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What's New in Fallacy

11.15.0

October 20, 2026

A major update! • The Learn Track is now free for everyone. You asked, we listened. • The whole app now supports dark mode. • Smoother, more responsive interactions everywhere. • More guided training modes to sharpen your thinking.

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Subscriptions & In-App Purchases

Yearly Premium Access

Get unlimited access to all premium content.

$49.991 Year
7 Days trial
Price Updates
October 7, 2026→$49.99
August 1, 2026→$39.99
May 15, 2026→$39.99
May 5, 2026→$29.99
March 2, 2026→$19.99
October 24, 2025→$19.99
September 16, 2025→$39.99
May 11, 2025→$19.99
How to cancel Fallacy subscription ⁉️

Events

Read more about Bust Fake News With Logic
Event EndedMajor Update

Bust Fake News With Logic

Find hidden logic flaws in news headlines daily

Oct 3, 2025 — Oct 19, 2025

Read More

Read more about Debate Mode is Live
Event EndedMajor Update

Debate Mode is Live

Argue with AI on global topics. Train logic & wit.

May 16, 2025 — May 31, 2025

Read More

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User reviews

Most RecentHighest RatedLowest Rated

Love this app

An excellent app for recognising logical fallacies and sharpening critical thinking. Simple, engaging, and genuinely useful for anyone interested in rational argumentation. Highly highly recommended!
I1iPhone14 Pro iOS 18.1.1

Can’t tell you how much

An app about dishonesty in conversation and it can’t be honest about how much, ironic?
Hhjjhfry

Excellent Concept, But Somewhat Biased

Really good app and a great way to learn about logical fallacies. My only issue is that some of the examples and arguments feel a little politically biased, leaning more towards the left rather than taking a neutral or centrist approach. At times, the selection of examples feels like cherry-picking, and I’d love to see more balanced examples from different perspectives. That said, overall it’s a very nice app and I’ve enjoyed using it.
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SSiddhi0809

Absolutely Realistic

This app teaches the fallacy in everyday lives especially how to tackle family meetings, whatsapp junk ,debates and social media scroll
Aarry1346

Response from developer

Family meetings and WhatsApp junk might be the toughest testing ground there is — glad it holds up there. Thanks for the kind words. — the Fallacy team

每次打开都要重新过一遍新手教程

恶心死了
DMDon't lie 2 me
See 22 more reviews

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FAQ

What is Fallacy?

Fallacy is an educational brain training app designed to enhance logical reasoning and critical thinking skills. It focuses on identifying logical fallacies and cognitive biases through engaging gameplay based on real-world scenarios.

What types of logical fallacies does Fallacy teach?

Fallacy covers over 30 types of logical fallacies, including Ad Hominem, Straw Man, False Dichotomy, Appeal to Authority, and Post Hoc, among many others. It progresses through five difficulty levels.

Does Fallacy offer cognitive bias training?

Yes, Fallacy includes training for over 20 cognitive biases, such as confirmation bias, availability heuristic, and anchoring effect, providing a comprehensive approach to critical thinking development.

How does Fallacy track user progress?

The app uses a progressive brain training system with daily exercises. Users can track their cognitive growth through precision IQ scoring, fallacy detection speed, and accuracy ratings over 30, 60, and 90-day periods.

What is Debate Mode in Fallacy?

Debate Mode presents users with actual claims from news and social discourse. The objective is to identify logical fallacies, understand the flaws in the arguments, and practice building counter-arguments.

Does Fallacy have ads?

Yes, Fallacy contains advertisements. As a free app with in-app purchases, ads are part of the user experience.

What are the subscription options for Fallacy?

Fallacy offers several premium subscription plans: Monthly Premium Access for $1.99/month, Weekly Premium Access for $3.99/week, and Yearly Premium Access for $19.99/year. All plans include a 3-day free trial.

What devices is Fallacy available on?

Fallacy is compatible with iPhone, iPad, and iPod devices, making it accessible to a wide range of Apple users interested in cognitive training.