# JSKPatrones vs KnitMath

The clearest difference is in-app purchases: JSKPatrones at none against KnitMath's 1. JSKPatrones also leads on iOS requirement (12.4 vs 16.4). KnitMath's advantage is ads (none vs shown) and update cadence (every 6 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. KnitMath sells 1 one-off in-app purchase. JSKPatrones asks for nothing beyond the download.

JSKPatrones ships an update every 2 months, KnitMath every 6 days. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | JSKPatrones | KnitMath |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (7 ratings)](https://appshunter.io/ios/app/jskpatrones/id6466121179/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Ad-supported | — |
| Size | 23 MB | 35 MB |
| Requires iOS | **12.4** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jessica Aguirre](https://appshunter.io/developer/1705806343) | [Andrei Vasin](https://appshunter.io/developer/6807990214) |

## What reviewers say

### JSKPatrones

[App page](https://appshunter.io/ios/app/jskpatrones/id6466121179)

Create professional-quality women's sewing patterns using body measurements. This tool simplifies the process of drafting custom-fit garments, allowing users to design tailored clothing with ease.

**Highlights:** Draw sewing patterns, Tailored professional fit, Uses body measurements, Custom garment design

**In-app purchases:** none


### KnitMath

[App page](https://appshunter.io/ios/app/knitmath-knitting-calculator/id6809148805)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KnitMath Premium | $5.99 | one-time |


## Frequently asked questions

### Is JSKPatrones free?

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

### Is KnitMath free?

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

### Do JSKPatrones or KnitMath have ads?

JSKPatrones shows ads; KnitMath does not.

### Which is updated more often, JSKPatrones or KnitMath?

JSKPatrones ships an update every 2 months, and KnitMath every 6 days. Most recently, JSKPatrones was updated on November 3, 2026 and KnitMath on October 24, 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.*