# Logical Fallacy Memory vs CauseffEcon

The clearest difference is in-app purchases: CauseffEcon at none against Logical Fallacy Memory's 2. Logical Fallacy Memory's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Logical Fallacy Memory sells 2 in-app purchases, starting at $1.99 per month. CauseffEcon asks for nothing beyond the download.

Logical Fallacy Memory ships an update every 2 weeks, CauseffEcon every 2 months. The most recent releases landed on October 2, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Logical Fallacy Memory | CauseffEcon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/logical-fallacy-memory/id6484316242/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 85 MB |
| Requires iOS | **17** | 17.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [山 汪](https://appshunter.io/developer/1740449088) | [Claudia Klein](https://appshunter.io/developer/1832544011) |

## What reviewers say

### Logical Fallacy Memory

[App page](https://appshunter.io/ios/app/logical-fallacy-memory/id6484316242)

Master common logical fallacies and enhance your critical thinking skills. This app uses active recall and spaced repetition to help you identify reasoning errors in real-world situations. Track your progress with a personalized mastery map and learn over 60 unique fallacies.

**Highlights:** Active recall testing, Spaced repetition learning, Personalized mastery map, Identify over 60 fallacies, Real-world scenario analysis

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access (1 Month) | $1.99 | per month |
| All Access (1 Year) | $11.99 | per year |


### CauseffEcon

[App page](https://appshunter.io/ios/app/causeffecon/id6749869063)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Logical Fallacy Memory free?

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

### Is CauseffEcon free?

CauseffEcon is free to download, with no in-app purchases.

### Do Logical Fallacy Memory or CauseffEcon have ads?

Neither Logical Fallacy Memory nor CauseffEcon shows ads.

### Which is updated more often, Logical Fallacy Memory or CauseffEcon?

Logical Fallacy Memory ships an update every 2 weeks, and CauseffEcon every 2 months. Most recently, Logical Fallacy Memory was updated on October 2, 2026 and CauseffEcon on September 19, 2026.

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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.*