# Vector Curve vs ShiWen

The clearest difference is in-app purchases: ShiWen at none against Vector Curve's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Vector Curve sells 3 in-app purchases, starting at $0.99 per 7 days. ShiWen asks for nothing beyond the download.

Vector Curve ships an update weekly, ShiWen every 9 days. The most recent releases landed on September 12, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Vector Curve | ShiWen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shiwen-pattern-maker/id6797526633/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 22 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Cengiz Bodur](https://appshunter.io/developer/1890695877) | [广俊 张](https://appshunter.io/developer/1893564914) |

## What reviewers say

### Vector Curve

[App page](https://appshunter.io/ios/app/vector-curve/id6796066224)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Pro Weekly | $0.99 | per 7 days |
| Pro Premium Monthly | $1.99 | per month |
| Premium Pro Lifetime | $17.99 | one-time |


### ShiWen

[App page](https://appshunter.io/ios/app/shiwen-pattern-maker/id6797526633)

Transform any image into unique geometric patterns and seamless designs. This tool offers over 20 pattern styles, real-time previews, and AI-enhanced upscaling for high-resolution exports. Create kaleidoscope art, repeat designs, and transparent assets for various creative projects.

**Highlights:** Create patterns from photos and textures, Over 20 geometric and kaleidoscope styles, Real-time sampling and preview, 70+ color palettes, AI HD image enhancement, High-resolution PNG export, One-tap background cutout

**In-app purchases:** none


## Frequently asked questions

### Is Vector Curve free?

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

### Is ShiWen free?

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

### Do Vector Curve or ShiWen have ads?

Neither Vector Curve nor ShiWen shows ads.

### Which is updated more often, Vector Curve or ShiWen?

Vector Curve ships an update weekly, and ShiWen every 9 days. Most recently, Vector Curve was updated on September 12, 2026 and ShiWen on September 29, 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.*