# Fallacy vs Stargazer

The clearest difference is rating: Fallacy at 4.5 against Stargazer's 3.0. Fallacy also leads on ratings volume (58 vs 2) and iOS requirement (15.1 vs 26.0). Stargazer's advantage is in-app purchases (none vs 6) and update cadence (weekly vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. Fallacy sells 6 in-app purchases, starting at $6.99 per 7 days. Stargazer asks for nothing beyond the download.

Fallacy holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: Fallacy has 58 ratings behind it against 2, so its average is the more settled of the two.

Fallacy ships an update fortnightly, Stargazer weekly. The most recent releases landed on October 16, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Fallacy | Stargazer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (58 ratings)](https://appshunter.io/ios/app/fallacy-brain-training-logic/id6743923575/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/stargazer/id6794534527/reviews) |
| Number of ratings | **58** | 2 |
| Positive reviews | 76.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 95 MB | 54 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [VERTEX STUDIOS LTD](https://appshunter.io/developer/1805080787) | [Kendal Slack](https://appshunter.io/developer/1183263943) |

## 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 |


### Stargazer

[App page](https://appshunter.io/ios/app/stargazer/id6794534527)

Explore the night sky by pointing your device upwards. Identify planets, constellations, stars, and satellites. Features an AI assistant for astronomy questions and an augmented reality mode to visualize celestial bodies.

**Highlights:** Point-and-identify celestial objects, AI-powered astronomy assistant, Augmented reality solar system exploration, Constellation artwork and facts, Night photography planning, Printable star charts, Interactive sky quiz

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Fallacy free?

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

### Is Stargazer free?

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

### Which has better reviews, Fallacy or Stargazer?

Fallacy is rated higher. Fallacy averages 4.5 out of 5 from 58 ratings, while Stargazer averages 3.0 from 2 ratings.

### Do Fallacy or Stargazer have ads?

Neither Fallacy nor Stargazer shows ads.

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

Fallacy ships an update fortnightly, and Stargazer weekly. Most recently, Fallacy was updated on October 16, 2026 and Stargazer on October 1, 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.*