Logical Defense

3.9
1.25K reviews
100K+
Downloads
Content rating
Everyone
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About this app

Steel yourselves, and begin to defend your mind from the language used against you by the sophists of the world.

They are many, we are few, but with the Logical Defense app, we now have an extra tool in our box of rationality.
Use this app to quickly look-up the logical fallacies we face when debating against the irrational.
Call out those who are logically flawed and help to build a more rational society.

Honesty is the first virtue, so let's be painfully honest towards those who attempt to use language as a form of mental abuse. Never accept a logical fallacy, attack the attacker, and spread logic and reason to those you love.

Ok, enough rambling. This is an app that displays a list of the logical fallacies that haunt every rationalists' mind.

Some features:

- Left drawer that houses categories.
- Share function -> Long press a fallacy to share it.
- Nice about screen.
- Language selection function.

This is a fully open-source project (GNU v2), and the source is hosted on GitHub so feel free to fork me :)
GitHub Repo: https://github.com/LukeStonehm/LogicalDefence

Feel free to leave your comments/suggestions. Thank you for downloading!

UPDATE: 28 Nov 2016 -> Thanks very much to everyone who has downloaded the app, I have seen an incredible uptake in users over the past few weeks. I will soon be on leave, and I hope to add some new features soon :)
Updated on
Jul 29, 2022

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Ratings and reviews

3.9
1.2K reviews
Mike Martino
October 24, 2021
It's a nice reference guide that provides good examples for each fallacy. Only getting 3 stars from me because: -There aren't any features outside of a basic list. It would be nice to match some of the provided examples to the correct fallacy to test for understanding. -Some of the fallacies provided are given new names unecessarily. For example, "Appeal to Spite" is this apps name for the "Ad Hominem" fallacy. This can confuse someone interested in a deeper study/ rehearsing what they know.
24 people found this review helpful
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A Google user
December 16, 2019
There's really not much here other than a few pages of content with different fallacies and their descriptions. It is helpful as a reference, but many web pages have the same description. It's all good information, but just not worth an "app".
30 people found this review helpful
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A Google user
February 22, 2020
This application is truely thorough!! It has helped me numerous times to provide a direct example and explanation. I would also like to add that I appreciate the time and effort that the developer(s) put into providing this application FREE to the world!
39 people found this review helpful
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What's new

Complete app re-write! Introducing Version 2 of Logical Defence. Made with Flutter, the app has been modernized and now provides a lovely dark mode