# Nova Stack vs Yarn Collect

Nova Stack and Yarn Collect are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Nova Stack sells 1 one-off in-app purchase and Yarn Collect sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Nova Stack | Yarn Collect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (9 ratings)](https://appshunter.io/ios/app/yarn-collect/id6783846575/reviews)** |
| Number of ratings | — | **9** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 140 MB | 272 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [sung won kim](https://appshunter.io/developer/1849560098) | [Mindstorm Studios](https://appshunter.io/developer/378784987) |

## What reviewers say

### Nova Stack

[App page](https://appshunter.io/ios/app/nova-stack/id6762187963)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Yarn Collect

[App page](https://appshunter.io/ios/app/yarn-collect/id6783846575)

Untangle colorful yarn balls by tapping to roll them down a loop, matching colors to fill trays. This satisfying puzzle game offers hundreds of levels and daily challenges to test your sorting skills, providing a relaxing and addictive experience.

**Highlights:** One-tap color sorting, Hundreds of puzzle levels, Daily IQ challenges, Special levels with unique goals, Cozy yarn aesthetic, Power-ups and boosters, Offline play

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $0.99 | one-time |
| Coin Pack 1 | $1.99 | one-time |
| Piggy Bank | $4.99 | one-time |
| Remove Ads | $7.99 | one-time |
| Coin Pack 2 | $7.99 | one-time |
| Coin Pack 3 | $14.99 | one-time |
| Coin Pack 4 | $29.99 | one-time |
| Coin Pack 5 | $54.99 | one-time |
| Coin Pack 6 | $99.99 | one-time |


## Frequently asked questions

### Is Nova Stack free?

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

### Is Yarn Collect free?

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

### Do Nova Stack or Yarn Collect have ads?

Both Nova Stack and Yarn Collect show ads.

### Which is updated more often, Nova Stack or Yarn Collect?

Nova Stack ships an update weekly, and Yarn Collect weekly. Most recently, Nova Stack was updated on October 24, 2026 and Yarn Collect 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.*