# Critical Thinking Concepts vs Glisn

The clearest difference is review sentiment: Critical Thinking Concepts at 100% against Glisn's 60%. Critical Thinking Concepts also leads on rating (4.7 vs 4.2) and ads (none vs shown). Glisn's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (16.4 vs 18.0). On price, in-app purchases, monetization model 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 Glisn sells 15 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Critical Thinking Concepts holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 37 and 11 respectively. Written reviews point the same way: 100% of Critical Thinking Concepts's written reviews are positive against 60% of Glisn's.

Critical Thinking Concepts ships an update every 2 months, Glisn every 3 weeks. The most recent releases landed on September 26, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Critical Thinking Concepts | Glisn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (37 ratings)](https://appshunter.io/ios/app/critical-thinking-concepts/id6446604872/reviews)** | [4.2 (11 ratings)](https://appshunter.io/ios/app/glisn/id6670685312/reviews) |
| Number of ratings | **37** | 11 |
| Positive reviews | **100.0% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 35 MB | 92 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Anthony Harvey](https://appshunter.io/developer/1478197285) | [Eminence Digital LLC](https://appshunter.io/developer/1767006083) |

## 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 |


### Glisn

[App page](https://appshunter.io/ios/app/glisn/id6670685312)

Enhance your focus, memory, and English listening abilities with interactive scenarios. Practice real-world conversations, academic lectures, and comprehension challenges to improve your retention and stamina in just 5 minutes daily.

**Highlights:** Real-world English listening videos and audio, Academic-style comprehension practice, Focus and retention challenges, Adaptable to professional and language learning goals, Daily 5-minute training sessions

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Weekly | $2.99 | per 7 days |
| Monthly | $9.99 | per month |
| Monthly | $9.99 | per month |
| Monthly Access - Creators Pro | $14.99 | per month |
| Monthly Access - Leadership Pro | $19.99 | per month |
| Yearly | $79.99 | per year |
| Yearly | $79.99 | per year |
| Yearly Access - Creators Pro | $89.99 | per year |
| Yearly Access - Leadership Pro | $149.00 | per year |
| Glisn Courses: Tier 10 | $9.99 | one-time |
| Glisn Courses: Tier 20 | $19.99 | one-time |
| Glisn Courses: Tier 50 | $49.99 | one-time |
| Glisn Courses: Tier 80 | $79.99 | one-time |
| Glisn Courses: Tier 100 | $99.99 | one-time |


## Frequently asked questions

### Is Critical Thinking Concepts free?

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

### Is Glisn free?

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

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

Critical Thinking Concepts is rated higher. Critical Thinking Concepts averages 4.7 out of 5 from 37 ratings, while Glisn averages 4.2 from 11 ratings.

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

Glisn shows ads; Critical Thinking Concepts does not.

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

Critical Thinking Concepts ships an update every 2 months, and Glisn every 3 weeks. Most recently, Critical Thinking Concepts was updated on September 26, 2026 and Glisn on September 24, 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.*