# Critical Thinking Concepts vs MindShield?

The clearest difference is update cadence: MindShield? at every 2 days against Critical Thinking Concepts's every 2 months. MindShield? also leads on iOS requirement (16.4 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Critical Thinking Concepts sells 2 in-app purchases, starting at $3.99 per month and MindShield? sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Critical Thinking Concepts ships an update every 2 months, MindShield? every 2 days. The most recent releases landed on September 26, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Critical Thinking Concepts | MindShield? |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (37 ratings)](https://appshunter.io/ios/app/critical-thinking-concepts/id6446604872/reviews)** | — |
| Number of ratings | **37** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 35 MB | 57 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Anthony Harvey](https://appshunter.io/developer/1478197285) | [Hercules Juver](https://appshunter.io/developer/1893201168) |

## What reviewers say

### Critical Thinking Concepts

[App page](https://appshunter.io/ios/app/critical-thinking-concepts/id6446604872)

This app is an interactive study companion that teaches core concepts, methods, and terminology of critical thinking. It helps users develop analytical and reasoning skills for navigating complex issues effectively. Features include Q&A, swipe cards, a visual feed, audio playback, and study statistics.

**Highlights:** Question & Answer format, Swipe card learning, Visual learning feed, Audio player for lessons, Study statistics tracking, Offline usability

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access Monthly | $3.99 | per month |
| All Access Annual | $7.99 | per year |


### MindShield?

[App page](https://appshunter.io/ios/app/mindshield/id6787221274)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MindShield Premium | $6.99 | one-time |


## Frequently asked questions

### Is Critical Thinking Concepts free?

Critical Thinking Concepts is free to download, with in-app purchases available.

### Is MindShield? free?

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

### Do Critical Thinking Concepts or MindShield? have ads?

Neither Critical Thinking Concepts nor MindShield? shows ads.

### Which is updated more often, Critical Thinking Concepts or MindShield??

Critical Thinking Concepts ships an update every 2 months, and MindShield? every 2 days. Most recently, Critical Thinking Concepts was updated on September 26, 2026 and MindShield? on September 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.*