# 金刚水印管理大师 vs ExtractoKit

金刚水印管理大师 and ExtractoKit are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. 金刚水印管理大师 sells 3 in-app purchases, starting at $8.99 per month and ExtractoKit sells 8 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

金刚水印管理大师 ships an update fortnightly, ExtractoKit every 2 weeks. The most recent releases landed on October 9, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 金刚水印管理大师 | ExtractoKit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/extractokit/id6768710781/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 81 MB | 237 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Huateng Interactive Technology Co., Ltd.](https://appshunter.io/developer/1573923599) | [佳文 严](https://appshunter.io/developer/1891806891) |

## What reviewers say

### 金刚水印管理大师

[App page](https://appshunter.io/ios/app/id6444204196)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员-¥58/月 | $8.99 | per month |
| 年会员-¥98/年 | $14.99 | per year |
| 终身会员-￥128 | $19.99 | one-time |


### ExtractoKit

[App page](https://appshunter.io/ios/app/extractokit/id6768710781)

This utility app allows users to organize, preview, and process various media files like videos, audio, and images. It offers tools for saving, converting, compressing, extracting audio, creating GIFs, and recognizing text in images. Processing is done locally, and the app supports both shared links and imported local media.

**Highlights:** Video preview, save, and conversion, Audio extraction and editing, Image compression and text recognition, GIF and Live Photo creation, Link resource parsing, Speed adjustment and reverse playback

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $0.99 | per 7 days |
| Monthly Pro | $1.99 | per month |
| Yearly Pro | $12.99 | per year |
| 2 Credits | $0.99 | one-time |
| 30 Credits | $0.99 | one-time |
| 300 Credits | $6.99 | one-time |
| 800 Credits | $14.99 | one-time |
| Lifetime Pro | $129.99 | one-time |


## Frequently asked questions

### Is 金刚水印管理大师 free?

金刚水印管理大师 is free to download, with in-app purchases available.

### Is ExtractoKit free?

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

### Do 金刚水印管理大师 or ExtractoKit have ads?

Both 金刚水印管理大师 and ExtractoKit show ads.

### Which is updated more often, 金刚水印管理大师 or ExtractoKit?

金刚水印管理大师 ships an update fortnightly, and ExtractoKit every 2 weeks. Most recently, 金刚水印管理大师 was updated on October 9, 2026 and ExtractoKit on October 17, 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.*