# Logical Construct & Philosophy vs Avocat du Diable

The clearest difference is iOS requirement: Logical Construct & Philosophy at 16.4 against Avocat du Diable's 26.0. On price, ads, in-app purchases and device support 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 Avocat du Diable sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Logical Construct & Philosophy | Avocat du Diable |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/logical-construct-and-philosophy/id6744826340/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 16 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lucainson Raymond](https://appshunter.io/developer/1805397683) | [Martine Comte](https://appshunter.io/developer/1889478462) |

## 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 |


### Avocat du Diable

[App page](https://appshunter.io/ios/app/avocat-du-diable/id6795221635)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Hebdomadaire | $4.99 | per 7 days |
| Premium Mensuel | $9.99 | per month |
| Premium Annuel | $59.99 | per year |


## Frequently asked questions

### Is Logical Construct & Philosophy free?

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

### Is Avocat du Diable free?

Avocat du Diable is free to download, with in-app purchases available.

### Do Logical Construct & Philosophy or Avocat du Diable have ads?

Neither Logical Construct & Philosophy nor Avocat du Diable shows ads.

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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.*