# Cognizer vs Number Challenge Game

The clearest difference is in-app purchases: Number Challenge Game at none against Cognizer's 6. Number Challenge Game also leads on iOS requirement (13.0 vs 15.0). Cognizer's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Cognizer sells 6 one-off in-app purchases. Number Challenge Game asks for nothing beyond the download.

Cognizer ships an update every 6 months, Number Challenge Game every 12 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Cognizer | Number Challenge Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (5 ratings)](https://appshunter.io/ios/app/cognizer/id1088717471/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 6 months** | Every 12 months |
| Monetization | Free | — |
| Size | 156 MB | 23 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ethan W Larson](https://appshunter.io/developer/940993305) | [Neethirajan Balachandran](https://appshunter.io/developer/1514892034) |

## What reviewers say

### Cognizer

[App page](https://appshunter.io/ios/app/cognizer/id1088717471)

Engage your mind with a unique puzzle game featuring symbols and colors. Choose from various modes, including timed challenges and a relaxed, limitless option. Enjoy immersive ambient sounds and accessibility features for all players.

**Highlights:** Unique brain-challenge with symbols and colors, Modes with and without time limits, Ambient sounds by Ohrwert, Colorblindness options, Standard, Speed, and Zen gameplay modes

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tier 1 | $0.99 | one-time |
| Tier 2 | $1.99 | one-time |
| Tier 3 | $2.99 | one-time |
| Tier 6 | $5.99 | one-time |
| Tier 10 | $9.99 | one-time |
| Tier 20 | $19.99 | one-time |


### Number Challenge Game

[App page](https://appshunter.io/ios/app/number-challenge-game/id6447923676)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Cognizer free?

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

### Is Number Challenge Game free?

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

### Do Cognizer or Number Challenge Game have ads?

Number Challenge Game shows ads; Cognizer does not.

### Which is updated more often, Cognizer or Number Challenge Game?

Cognizer ships an update every 6 months, and Number Challenge Game every 12 months. Most recently, Cognizer was updated on October 24, 2026 and Number Challenge Game on October 25, 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.*