# Logical Construct & Philosophy vs COMath Premium

The clearest difference is price: Logical Construct & Philosophy at Free against COMath Premium's $0.99. COMath Premium's advantage is in-app purchases (none vs 2). On update cadence, ads, device support and iOS requirement there is nothing between them.

Logical Construct & Philosophy is free to download; COMath Premium costs $0.99 up front. Logical Construct & Philosophy sells 2 in-app purchases, starting at $3.99 per month. COMath Premium asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 2, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Logical Construct & Philosophy | COMath Premium |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| 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 | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 85 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lucainson Raymond](https://appshunter.io/developer/1805397683) | [Jianfeng Wu](https://appshunter.io/developer/1435210283) |

## 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 |


### COMath Premium

[App page](https://appshunter.io/ios/app/comath-premium/id6752225245)

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

**In-app purchases:** none


## Frequently asked questions

### Is Logical Construct & Philosophy free?

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

### Is COMath Premium free?

COMath Premium costs $0.99, with no in-app purchases.

### Do Logical Construct & Philosophy or COMath Premium have ads?

Neither Logical Construct & Philosophy nor COMath Premium shows ads.

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

Logical Construct & Philosophy ships an update every 2 weeks, and COMath Premium every 2 weeks. Most recently, Logical Construct & Philosophy was updated on October 2, 2026 and COMath Premium on October 18, 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.*