# Symbols vs Logical Fallacy Memory

The clearest difference is rating: Symbols at 4.5 against Logical Fallacy Memory's 1.0. Symbols also leads on ratings volume (8 vs 1) and iOS requirement (12.0 vs 17). Logical Fallacy Memory's advantage is update cadence (every 2 weeks vs every 6 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Symbols sells 6 in-app purchases, starting at $3.99 per month and Logical Fallacy Memory sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Symbols holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Symbols has 8 ratings behind it against 1, so its average is the more settled of the two.

Symbols ships an update every 6 weeks, Logical Fallacy Memory every 2 weeks. The most recent releases landed on June 1, 2026 and July 23, 2026 respectively.

## The numbers

| Metric | Symbols | Logical Fallacy Memory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (8 ratings)](https://appshunter.io/ios/app/symbols-learn-logic/id1642996557/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/logical-fallacy-memory/id6484316242/reviews) |
| Number of ratings | **8** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 78 MB | 7 MB |
| Requires iOS | **12.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Matthew Rayes](https://appshunter.io/developer/1642996559) | [山 汪](https://appshunter.io/developer/1740449088) |

## What reviewers say

### Symbols

[App page](https://appshunter.io/ios/app/symbols-learn-logic/id1642996557)

Learn symbolic logic through interactive exercises and visual study cards. Master rules of inference, evaluate arguments, and translate everyday language into formal logic. Progress through various activities to build and solidify your understanding of logical reasoning.

**Highlights:** Comprehensive Studycards with clear explanations, Interactive activities for skill mastery, Validity: Evaluate pre-solved arguments, Justification: Deduce missing argument steps, Inference: Build valid arguments, Translation: Convert statements to logical form

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| Weekly subscription | $3.99 | per 7 days |
| Monthly Subscription | $6.99 | per month |
| Three Month Subscription | $18.99 | per 3 months |
| Yearly Subscription | $24.99 | per year |
| Annual Subscription | $39.99 | per year |


### 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 |


## Frequently asked questions

### Is Symbols free?

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

### Is Logical Fallacy Memory free?

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

### Which has better reviews, Symbols or Logical Fallacy Memory?

Symbols is rated higher. Symbols averages 4.5 out of 5 from 8 ratings, while Logical Fallacy Memory averages 1.0 from 1 ratings.

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

Neither Symbols nor Logical Fallacy Memory shows ads.

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

Symbols ships an update every 6 weeks, and Logical Fallacy Memory every 2 weeks. Most recently, Symbols was updated on June 1, 2026 and Logical Fallacy Memory on July 23, 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.*