# Cognitive IQ vs Cognitive Challenge

The clearest difference is in-app purchases: Cognitive Challenge at none against Cognitive IQ's 3. Cognitive Challenge also leads on update cadence (weekly vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Cognitive IQ sells 3 in-app purchases, starting at $1.99 per 7 days. Cognitive Challenge asks for nothing beyond the download.

Cognitive IQ ships an update every 6 months, Cognitive Challenge weekly. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Cognitive IQ | Cognitive Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cognitive-challenge/id6764170208/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | — | Ad-supported |
| Size | 13 MB | 37 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexey Polunin](https://appshunter.io/developer/1541894864) | [Boolean Bros LLC](https://appshunter.io/developer/1890936797) |

## What reviewers say

### Cognitive IQ

[App page](https://appshunter.io/ios/app/cognitive-iq/id1603089297)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Week Subscription | $1.99 | per 7 days |
| One Month Subscription | $5.99 | per month |
| Three Months Subscription | $14.99 | per 3 months |


### Cognitive Challenge

[App page](https://appshunter.io/ios/app/cognitive-challenge/id6764170208)

This fast-paced game challenges your focus, reaction speed, and cognitive flexibility. Compete against your own scores and track your improvement with each session. It's designed to help you sharpen your mind through engaging gameplay.

**Highlights:** Focus testing, Reaction speed challenges, Cognitive flexibility exercises, Self-competition, Performance improvement tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is Cognitive IQ free?

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

### Is Cognitive Challenge free?

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

### Do Cognitive IQ or Cognitive Challenge have ads?

Both Cognitive IQ and Cognitive Challenge show ads.

### Which is updated more often, Cognitive IQ or Cognitive Challenge?

Cognitive IQ ships an update every 6 months, and Cognitive Challenge weekly. Most recently, Cognitive IQ was updated on October 27, 2026 and Cognitive Challenge on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*