# Critical Thinking Concepts vs Re

The clearest difference is update cadence: Critical Thinking Concepts at every 2 months against Re's every 13 months. Critical Thinking Concepts also leads on ratings volume (37 vs 10). Re's advantage is rating (5.0 vs 4.7) and iOS requirement (16.2 vs 18.0). On price, review sentiment, ads and in-app purchases 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 Re sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Re holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 37 and 10 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Critical Thinking Concepts ships an update every 2 months, Re every 13 months. The most recent releases landed on September 9, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Critical Thinking Concepts | Re |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (37 ratings)](https://appshunter.io/ios/app/critical-thinking-concepts/id6446604872/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/remind-app/id6446973178/reviews)** |
| Number of ratings | **37** | 10 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 13 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 27 MB | 8 MB |
| Requires iOS | 18.0 | **16.2** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Anthony Harvey](https://appshunter.io/developer/1478197285) | [Juan Carlos Pineiro-Escoriaza](https://appshunter.io/developer/1679280996) |

## 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 |


### Re

[App page](https://appshunter.io/ios/app/remind-app/id6446973178)

Access a curated collection of mental models to enhance problem-solving, creativity, and decision-making. Learn practical applications and discover new perspectives daily. Ideal for students, professionals, and lifelong learners seeking to upgrade their thinking.

**Highlights:** Curated mental models, Practical application examples, Save favorite models, Daily mental model widget, Cross-disciplinary search, Customizable themes

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $9.99 | one-time |
| Re:Mind App Upgrade | $34.99 | one-time |
| Annual Plan | $89.99 | one-time |


## Frequently asked questions

### Is Critical Thinking Concepts free?

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

### Is Re free?

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

### Which has better reviews, Critical Thinking Concepts or Re?

Re is rated higher. Critical Thinking Concepts averages 4.7 out of 5 from 37 ratings, while Re averages 5.0 from 10 ratings.

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

Neither Critical Thinking Concepts nor Re shows ads.

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

Critical Thinking Concepts ships an update every 2 months, and Re every 13 months. Most recently, Critical Thinking Concepts was updated on September 9, 2026 and Re on June 1, 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.*