# Logical Construct & Philosophy vs Liminal

The clearest difference is monetization model: Liminal at free against Logical Construct & Philosophy's free with in-app purchases. Liminal also leads on ratings volume (5 vs 1). Logical Construct & Philosophy's advantage is rating (5.0 vs 4.8). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Logical Construct & Philosophy sells 2 in-app purchases, starting at $3.99 per month and Liminal sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Logical Construct & Philosophy holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Liminal has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Logical Construct & Philosophy ships an update every 2 weeks, Liminal every 11 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Logical Construct & Philosophy | Liminal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/logical-construct-and-philosophy/id6744826340/reviews)** | [4.8 (5 ratings)](https://appshunter.io/ios/app/liminal-learn-philosophy/id6770075835/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 11 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 51 MB | 5 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Lucainson Raymond](https://appshunter.io/developer/1805397683) | [OMAR DANIEL GRAZIANO](https://appshunter.io/developer/1896485759) |

## What reviewers say

### Logical Construct & Philosophy

[App page](https://appshunter.io/ios/app/logical-construct-and-philosophy/id6744826340)

Engage with formal logic through interactive puzzles. Apply inference rules to construct valid proofs, making abstract reasoning concrete and intuitive. Explore propositional and modal logic, with classic philosophical arguments integrated into the learning process.

**Highlights:** Interactive proof construction, 24 inference rules, Propositional and modal logic, Classic philosophical arguments, Step-by-step solution viewer, Progress tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| Annual Plan | $19.99 | per year |


### Liminal

[App page](https://appshunter.io/ios/app/liminal-learn-philosophy/id6770075835)

Explore Western philosophy with a comprehensive, self-paced curriculum. Access lessons, philosopher profiles, key terms, and quizzes offline. Learn at your own pace with audio narration and interactive features.

**Highlights:** Comprehensive 4-year philosophy curriculum, 104 lessons and 48 philosopher profiles, Searchable glossary of 82 key terms, Interactive quizzes with explanations, Spaced-repetition flashcards, On-device audio narration, Offline access, no network required

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Liminal Full Access | $9.99 | one-time |


## Frequently asked questions

### Is Logical Construct & Philosophy free?

Logical Construct & Philosophy is free to download, with in-app purchases available.

### Is Liminal free?

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

### Which has better reviews, Logical Construct & Philosophy or Liminal?

Logical Construct & Philosophy is rated higher. Logical Construct & Philosophy averages 5.0 out of 5 from 1 ratings, while Liminal averages 4.8 from 5 ratings.

### Do Logical Construct & Philosophy or Liminal have ads?

Neither Logical Construct & Philosophy nor Liminal shows ads.

### Which is updated more often, Logical Construct & Philosophy or Liminal?

Logical Construct & Philosophy ships an update every 2 weeks, and Liminal every 11 days. Most recently, Logical Construct & Philosophy was updated on October 30, 2026 and Liminal on October 31, 2026.

---

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