# ASQ Six Sigma Prep vs Fallacy

The clearest difference is price: Fallacy at Free against ASQ Six Sigma Prep's $24.99. ASQ Six Sigma Prep's advantage is in-app purchases (none vs 6). On ads, device support and iOS requirement there is nothing between them.

Fallacy is free to download; ASQ Six Sigma Prep costs $24.99 up front. Fallacy sells 6 in-app purchases, starting at $6.99 per 7 days. ASQ Six Sigma Prep asks for nothing beyond the download.

## The numbers

| Metric | ASQ Six Sigma Prep | Fallacy |
| --- | --- | --- |
| Price | $24.99 | **Free** |
| Rating | — | **[4.5 (58 ratings)](https://appshunter.io/ios/app/fallacy-brain-training-logic/id6743923575/reviews)** |
| Number of ratings | — | **58** |
| Positive reviews | — | 77.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 199 MB | 134 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iCert Inc.](https://appshunter.io/developer/1650970619) | [VERTEX STUDIOS LTD](https://appshunter.io/developer/1805080787) |

## What reviewers say

### ASQ Six Sigma Prep

[App page](https://appshunter.io/ios/app/asq-six-sigma-prep/id6738944717)

**Features:** macOS Compatibility

**In-app purchases:** none


### Fallacy

[App page](https://appshunter.io/ios/app/fallacy-brain-training-logic/id6743923575)

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.

**Highlights:** Identify 30+ logical fallacies, Recognize 20+ cognitive biases, Daily brain exercises, Timed reasoning challenges, Debate Mode with real-world arguments, Progressive difficulty levels

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Access | $6.99 | per 7 days |
| Monthly Subscription Fallacy | $12.99 | per month |
| Monthly Premium Access | $12.99 | per month |
| Yearly Premium Access | $49.99 | per year |
| Yearly Subscription Fallacy | $59.99 | per year |
| Lifetime Access - Premium | $79.99 | one-time |


## Frequently asked questions

### Is ASQ Six Sigma Prep free?

ASQ Six Sigma Prep costs $24.99, with no in-app purchases.

### Is Fallacy free?

Fallacy is free to download, with in-app purchases available.

### Do ASQ Six Sigma Prep or Fallacy have ads?

Neither ASQ Six Sigma Prep nor Fallacy shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*