# i9 Challenge SIPAT vs Yarn Scape

The clearest difference is in-app purchases: i9 Challenge SIPAT at none against Yarn Scape's 10. i9 Challenge SIPAT also leads on ads (none vs shown) and iOS requirement (12.0 vs 14.0). Yarn Scape's advantage is update cadence (every 3 weeks vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Yarn Scape sells 10 one-off in-app purchases. i9 Challenge SIPAT asks for nothing beyond the download.

i9 Challenge SIPAT ships an update every 2 months, Yarn Scape every 3 weeks. The most recent releases landed on October 30, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | i9 Challenge SIPAT | Yarn Scape |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (56 ratings)](https://appshunter.io/ios/app/yarn-scape/id6754863537/reviews)** |
| Number of ratings | — | **56** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Ad-supported |
| Size | 74 MB | 392 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [I9ação](https://appshunter.io/developer/1139989197) | [Hyper Surfer Games](https://appshunter.io/developer/1846503515) |

## What reviewers say

### i9 Challenge SIPAT

[App page](https://appshunter.io/ios/app/i9-challenge-sipat/id6446956784)

**In-app purchases:** none


### Yarn Scape

[App page](https://appshunter.io/ios/app/yarn-scape/id6754863537)

Engage in a relaxing puzzle adventure where you unravel intricate knitted objects. This game offers a tactile 3D experience focused on sorting and organizing, providing a satisfying ASMR-like challenge without timers.

**Highlights:** Tactile 3D unraveling gameplay, Hundreds of unique levels, Stress-free, no-timer design, Intuitive one-finger controls, Offline play capability, Helpful in-game boosters

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stack of coins | $1.99 | one-time |
| Bag of coins | $4.99 | one-time |
| Remove Ads | $7.99 | one-time |
| Huge Bundle | $9.99 | one-time |
| Sack of coins | $9.99 | one-time |
| Mega Bundle | $19.99 | one-time |
| Box of coins | $19.99 | one-time |
| Luxury Bundle | $49.99 | one-time |
| Chest of coins | $49.99 | one-time |
| Treasury of coins | $99.99 | one-time |


## Frequently asked questions

### Is i9 Challenge SIPAT free?

i9 Challenge SIPAT is free to download, with no in-app purchases.

### Is Yarn Scape free?

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

### Do i9 Challenge SIPAT or Yarn Scape have ads?

Yarn Scape shows ads; i9 Challenge SIPAT does not.

### Which is updated more often, i9 Challenge SIPAT or Yarn Scape?

i9 Challenge SIPAT ships an update every 2 months, and Yarn Scape every 3 weeks. Most recently, i9 Challenge SIPAT was updated on October 30, 2026 and Yarn Scape on November 2, 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.*