# Critical Thinking Concepts vs Staff

The clearest difference is in-app purchases: Staff at none against Critical Thinking Concepts's 2. Staff also leads on device support (3 vs 1) and iOS requirement (16.6 vs 18.0). On price, update cadence and ads there is nothing between them.

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

Critical Thinking Concepts ships an update every 2 months, Staff every 5 weeks. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Critical Thinking Concepts | Staff |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (38 ratings)](https://appshunter.io/ios/app/critical-thinking-concepts/id6446604872/reviews)** | — |
| Number of ratings | **38** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 35 MB | 78 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Anthony Harvey](https://appshunter.io/developer/1478197285) | [S2 EDU-TECH SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1718020013) |

## 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 |


### Staff

[App page](https://appshunter.io/ios/app/staff-adr-learning/id6473657931)

**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 Staff free?

Staff is free to download, with no in-app purchases.

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

Neither Critical Thinking Concepts nor Staff shows ads.

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

Critical Thinking Concepts ships an update every 2 months, and Staff every 5 weeks. Most recently, Critical Thinking Concepts was updated on October 24, 2026 and Staff on October 8, 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.*