# Cognitive IQ vs Word Chain Master

The clearest difference is in-app purchases: Word Chain Master at none against Cognitive IQ's 3. Word Chain Master also leads on update cadence (every 3 days 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. Word Chain Master asks for nothing beyond the download.

Cognitive IQ ships an update every 6 months, Word Chain Master every 3 days. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Cognitive IQ | Word Chain Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/word-chain-master/id6742432536/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 3 days** |
| Monetization | — | Ad-supported |
| Size | 13 MB | 22 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alexey Polunin](https://appshunter.io/developer/1541894864) | [Siosaia Fonua](https://appshunter.io/developer/1787736814) |

## What reviewers say

### Cognitive IQ

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

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

**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 |


### Word Chain Master

[App page](https://appshunter.io/ios/app/word-chain-master/id6742432536)

Engage in a fast-paced word association game that tests your vocabulary and quick thinking. Create chains of related words against the clock to earn points and unlock new levels. This game offers a clean interface and is suitable for all ages.

**Highlights:** Word association challenges, Multiple game modes, Unlockable levels, High score tracking, Word Hints feature, Offline play

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cognitive IQ free?

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

### Is Word Chain Master free?

Word Chain Master is free to download, with no in-app purchases.

### Do Cognitive IQ or Word Chain Master have ads?

Both Cognitive IQ and Word Chain Master show ads.

### Which is updated more often, Cognitive IQ or Word Chain Master?

Cognitive IQ ships an update every 6 months, and Word Chain Master every 3 days. Most recently, Cognitive IQ was updated on November 8, 2026 and Word Chain Master 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.*