# Critical Thinking Concepts vs Phản Xạ Tri Thức

The clearest difference is in-app purchases: Phản Xạ Tri Thức at none against Critical Thinking Concepts's 2. Phản Xạ Tri Thức also leads on update cadence (every 2 days vs every 2 months) and device support (3 vs 1). Critical Thinking Concepts's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. Critical Thinking Concepts sells 2 in-app purchases, starting at $3.99 per month. Phản Xạ Tri Thức asks for nothing beyond the download.

Critical Thinking Concepts ships an update every 2 months, Phản Xạ Tri Thức every 2 days. The most recent releases landed on September 26, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Critical Thinking Concepts | Phản Xạ Tri Thức |
| --- | --- | --- |
| 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 | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 35 MB | 26 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Anthony Harvey](https://appshunter.io/developer/1478197285) | [Duy Nguyen](https://appshunter.io/developer/1227361449) |

## 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 |


### Phản Xạ Tri Thức

[App page](https://appshunter.io/ios/app/phan-xa-tri-thuc/id6767856728)

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

**In-app purchases:** none


## Frequently asked questions

### Is Critical Thinking Concepts free?

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

### Is Phản Xạ Tri Thức free?

Phản Xạ Tri Thức is free to download, with no in-app purchases.

### Do Critical Thinking Concepts or Phản Xạ Tri Thức have ads?

Phản Xạ Tri Thức shows ads; Critical Thinking Concepts does not.

### Which is updated more often, Critical Thinking Concepts or Phản Xạ Tri Thức?

Critical Thinking Concepts ships an update every 2 months, and Phản Xạ Tri Thức every 2 days. Most recently, Critical Thinking Concepts was updated on September 26, 2026 and Phản Xạ Tri Thức on September 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.*