# Wool Color Sort vs Stack Surge

The clearest difference is in-app purchases: Stack Surge at none against Wool Color Sort's 8. Stack Surge also leads on ads (none vs shown). Wool Color Sort's advantage is update cadence (every 9 days vs every 2 months) and iOS requirement (12.0 vs 15.1). On price and device support there is nothing between them.

Both are free to download. Wool Color Sort sells 8 one-off in-app purchases. Stack Surge asks for nothing beyond the download.

Wool Color Sort ships an update every 9 days, Stack Surge every 2 months. The most recent releases landed on May 15, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Wool Color Sort | Stack Surge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 2 months |
| Size | 231 MB | 43 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ali Hassan](https://appshunter.io/developer/1811326144) | [Ahmet Emre CAKMAK](https://appshunter.io/developer/1877092106) |

## What reviewers say

### Wool Color Sort

[App page](https://appshunter.io/ios/app/wool-color-sort-yarn-stitch/id6746802812)

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Coins | $0.99 | one-time |
| REMOVE ADS | $1.99 | one-time |
| 1200 Coins | $1.99 | one-time |
| 2000 Coins | $2.99 | one-time |
| SPECIAL OFFER | $3.99 | one-time |
| 5000 Coins | $3.99 | one-time |
| 12000 Coins | $4.99 | one-time |
| 25000 Coins | $5.99 | one-time |


### Stack Surge

[App page](https://appshunter.io/ios/app/stack-surge-block-tower/id6761648364)

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

**In-app purchases:** none


## Frequently asked questions

### Is Wool Color Sort free?

Wool Color Sort is free to download, with in-app purchases available.

### Is Stack Surge free?

Stack Surge is free to download, with no in-app purchases.

### Do Wool Color Sort or Stack Surge have ads?

Wool Color Sort shows ads; Stack Surge does not.

### Which is updated more often, Wool Color Sort or Stack Surge?

Wool Color Sort ships an update every 9 days, and Stack Surge every 2 months. Most recently, Wool Color Sort was updated on May 15, 2026 and Stack Surge on September 12, 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.*