# Fallacy vs Syno

The clearest difference is ads: Fallacy at none against Syno's shown. Syno's advantage is review sentiment (100% vs 78%). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Fallacy sells 6 in-app purchases, starting at $6.99 per 7 days and Syno sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Fallacy ships an update fortnightly, Syno every 3 weeks. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Fallacy | Syno |
| --- | --- | --- |
| Price | Free | 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 | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 134 MB | 49 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VERTEX STUDIOS LTD](https://appshunter.io/developer/1805080787) | [SYNOMIND TECHNOLOGIES INC.](https://appshunter.io/developer/1852626051) |

## What reviewers say

### 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 |


### Syno

[App page](https://appshunter.io/ios/app/syno-brain-training-workouts/id6755209493)

This app offers daily mental workouts inspired by professional problem-solving techniques. It helps users build focus, clarity, and adaptability through simple, accessible sessions designed for a fast-paced world. Keep your mind sharp without complexity.

**Highlights:** Daily mental workouts, Build focus and clarity, Strengthen adaptable thinking, Develop transferable mental models, Short, guided sessions, Designed for consistency

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 month | $9.99 | per month |
| Premium 3 months | $14.99 | per 3 months |
| Premium 12 months | $49.99 | per year |


## Frequently asked questions

### Is Fallacy free?

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

### Is Syno free?

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

### Do Fallacy or Syno have ads?

Syno shows ads; Fallacy does not.

### Which is updated more often, Fallacy or Syno?

Fallacy ships an update fortnightly, and Syno every 3 weeks. Most recently, Fallacy was updated on October 24, 2026 and Syno on October 7, 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.*