# Critical Thinking Activities vs Millennium School App

The clearest difference is price: Millennium School App at Free against Critical Thinking Activities's $1.99. Millennium School App also leads on update cadence (every 2 months vs every 26 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Millennium School App is free to download; Critical Thinking Activities costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Critical Thinking Activities ships an update every 26 months, Millennium School App every 2 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Critical Thinking Activities | Millennium School App |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 2 months** |
| Size | 20 MB | 45 MB |
| Requires iOS | 13.2 | **12.0** |
| Devices | iPad, Mac | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [RunShule](https://appshunter.io/developer/1672735252) |

## What reviewers say

### Critical Thinking Activities

[App page](https://appshunter.io/ios/app/critical-thinking-activities/id1493209960)

**In-app purchases:** none


### Millennium School App

[App page](https://appshunter.io/ios/app/millennium-school-app/id6720727265)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Critical Thinking Activities free?

Critical Thinking Activities costs $1.99, with no in-app purchases.

### Is Millennium School App free?

Millennium School App is free to download, with no in-app purchases.

### Do Critical Thinking Activities or Millennium School App have ads?

Neither Critical Thinking Activities nor Millennium School App shows ads.

### Which is updated more often, Critical Thinking Activities or Millennium School App?

Critical Thinking Activities ships an update every 26 months, and Millennium School App every 2 months. Most recently, Critical Thinking Activities was updated on November 7, 2026 and Millennium School App on October 30, 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.*