# Yarn Jam Master vs Not Brain Dead

The clearest difference is iOS requirement: Yarn Jam Master at 12.0 against Not Brain Dead's 18.6. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Yarn Jam Master sells 10 one-off in-app purchases and Not Brain Dead sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Yarn Jam Master | Not Brain Dead |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (137 ratings)](https://appshunter.io/ios/app/yarn-jam-master/id6751791097/reviews)** | — |
| Number of ratings | **137** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 389 MB | 28 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Chengdu Warrior Tech Limited](https://appshunter.io/developer/1466752227) | [https://i2.ai](https://appshunter.io/developer/1808688251) |

## What reviewers say

### Yarn Jam Master

[App page](https://appshunter.io/ios/app/yarn-jam-master/id6751791097)

Engage in a relaxing puzzle game where you sort colorful yarns from knitted patterns. Turn chaos into order with satisfying gameplay that is both gentle and mentally stimulating. Enjoy handcrafted levels and a smooth 3D experience.

**Highlights:** Handcrafted levels, Smooth 3D rotation and zoom, Tap to pull yarns, Strategic gameplay, Boosters for difficult levels

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| beginner_bundle | $1.99 | one-time |
| shop_coins_1 | $1.99 | one-time |
| master_bundle | $4.99 | one-time |
| shop_coins_2 | $4.99 | one-time |
| ads_remove | $7.99 | one-time |
| shop_coins_3 | $9.99 | one-time |
| super_bundle | $9.99 | one-time |
| ads_remove_bundle | $9.99 | one-time |
| shop_coins_4 | $24.99 | one-time |
| ultimate_bundle | $39.99 | one-time |


### Not Brain Dead

[App page](https://appshunter.io/ios/app/not-brain-dead/id6761232670)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Not Brain Dead Pro - Monthly | $2.99 | per month |
| 100 Coins | $0.99 | one-time |
| 250 Coins | $1.99 | one-time |


## Frequently asked questions

### Is Yarn Jam Master free?

Yarn Jam Master is free to download, with in-app purchases available.

### Is Not Brain Dead free?

Not Brain Dead is free to download, with in-app purchases available.

### Do Yarn Jam Master or Not Brain Dead have ads?

Both Yarn Jam Master and Not Brain Dead show ads.

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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.*