# Critical Thinking Concepts vs Meritline

The clearest difference is update cadence: Critical Thinking Concepts at every 2 months against Meritline's every 11 months. Meritline's advantage is device support (3 vs 1) and iOS requirement (15.5 vs 18.0). On price, 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 Meritline sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Critical Thinking Concepts ships an update every 2 months, Meritline every 11 months. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Critical Thinking Concepts | Meritline |
| --- | --- | --- |
| 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 11 months |
| Monetization | Free with in-app purchases | — |
| Size | 35 MB | 146 MB |
| Requires iOS | 18.0 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Anthony Harvey](https://appshunter.io/developer/1478197285) | [Online Learning](https://appshunter.io/developer/1790866777) |

## 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 |


### Meritline

[App page](https://appshunter.io/ios/app/meritline/id6478960210)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - CD | $199.99 | one-time |
| Package - CH | $299.99 | one-time |
| Package - CI | $349.99 | one-time |
| Package - CJ | $399.99 | one-time |
| Package - CK | $449.99 | one-time |
| Package - CL | $499.99 | one-time |
| Package - CM | $599.99 | one-time |
| Package - CN | $699.99 | one-time |
| Package - CO | $799.99 | one-time |
| Package - CP | $899.99 | one-time |


## Frequently asked questions

### Is Critical Thinking Concepts free?

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

### Is Meritline free?

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

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

Neither Critical Thinking Concepts nor Meritline shows ads.

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

Critical Thinking Concepts ships an update every 2 months, and Meritline every 11 months. Most recently, Critical Thinking Concepts was updated on October 8, 2026 and Meritline on October 5, 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.*