# Number Brain vs Free Cosmetic Testing

The clearest difference is in-app purchases: Free Cosmetic Testing at none against Number Brain's 1. Free Cosmetic Testing also leads on ads (none vs shown) and iOS requirement (10.0 vs 16.6). On price, update cadence and device support there is nothing between them.

Both are free to download. Number Brain sells 1 one-off in-app purchase. Free Cosmetic Testing asks for nothing beyond the download.

Number Brain ships an update every 4 weeks, Free Cosmetic Testing monthly. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Number Brain | Free Cosmetic Testing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (66 ratings)](https://appshunter.io/ios/app/free-cosmetic-testing/id1536142985/reviews)** |
| Number of ratings | — | **66** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 weeks** | Monthly |
| Monetization | — | Free |
| Size | 53 MB | 38 MB |
| Requires iOS | 16.6 | **10.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Gerard Grundy](https://appshunter.io/developer/714855075) | [MIS Group](https://appshunter.io/developer/1255102520) |

## What reviewers say

### Number Brain

[App page](https://appshunter.io/ios/app/number-brain/id1196440935)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Free Cosmetic Testing

[App page](https://appshunter.io/ios/app/free-cosmetic-testing/id1536142985)

Receive free cosmetic products by joining and sharing your opinions. Participate in in-home testing and online surveys for research purposes. Earn points for completed surveys, which can be redeemed for products.

**Highlights:** Receive free cosmetic products, In-home product testing, Online surveys for research, Earn points for participation, Redeem points for products

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Number Brain free?

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

### Is Free Cosmetic Testing free?

Free Cosmetic Testing is free to download, with no in-app purchases.

### Do Number Brain or Free Cosmetic Testing have ads?

Number Brain shows ads; Free Cosmetic Testing does not.

### Which is updated more often, Number Brain or Free Cosmetic Testing?

Number Brain ships an update every 4 weeks, and Free Cosmetic Testing monthly. Most recently, Number Brain was updated on October 29, 2026 and Free Cosmetic Testing on October 27, 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.*