# 图片转线稿pro vs StampAblum

The clearest difference is update cadence: StampAblum at every 3 days against 图片转线稿pro's weekly. 图片转线稿pro's advantage is iOS requirement (12.0 vs 17). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 图片转线稿pro sells 5 in-app purchases, starting at $0.99 per 7 days and StampAblum sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

图片转线稿pro ships an update weekly, StampAblum every 3 days. The most recent releases landed on November 5, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 图片转线稿pro | StampAblum |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Subscription | — |
| Size | 42 MB | 9 MB |
| Requires iOS | **12.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Yunzhuo Digital Technology Co., Ltd.](https://appshunter.io/developer/1720080072) | [岸鹏 高](https://appshunter.io/developer/1881622498) |

## What reviewers say

### 图片转线稿pro

[App page](https://appshunter.io/ios/app/pro/id6755821320)

Transform photos into artistic line drawings with AI. Choose from various styles like manga, sketch, or architectural outlines. Ideal for artists and creators seeking inspiration or reference materials.

**Highlights:** AI photo to line drawing conversion, Multiple artistic styles (manga, sketch, architectural), Detailed facial and outline recognition, Fast processing, Before/after effect comparison, High-definition saving for print and reference

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 包周会员 | $0.99 | per 7 days |
| 包月会员 | $4.99 | per month |
| 包季会员 | $14.99 | per 3 months |
| 包年会员 | $29.99 | per year |
| 终身会员 | $59.99 | one-time |


### StampAblum

[App page](https://appshunter.io/ios/app/stampablum-stamp-collection/id6761328468)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $0.99 | per month |
| Lifetime | $6.99 | one-time |


## Frequently asked questions

### Is 图片转线稿pro free?

图片转线稿pro is free to download, with in-app purchases available.

### Is StampAblum free?

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

### Do 图片转线稿pro or StampAblum have ads?

Neither 图片转线稿pro nor StampAblum shows ads.

### Which is updated more often, 图片转线稿pro or StampAblum?

图片转线稿pro ships an update weekly, and StampAblum every 3 days. Most recently, 图片转线稿pro was updated on November 5, 2026 and StampAblum on October 28, 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.*