# 图片转压 vs 数矿

The clearest difference is update cadence: 数矿 at every 2 weeks against 图片转压's every 12 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

图片转压 ships an update every 12 months, 数矿 every 2 weeks. The most recent releases landed on November 4, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 图片转压 | 数矿 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 weeks** |
| Size | 83 MB | 62 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [静 胡](https://appshunter.io/developer/1687913013) | [北京金控数据技术股份有限公司](https://appshunter.io/developer/1331431503) |

## What reviewers say

### 图片转压

[App page](https://appshunter.io/ios/app/id6479608625)

**Features:** macOS Compatibility

**In-app purchases:** none


### 数矿

[App page](https://appshunter.io/ios/app/id6751476146)

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

**In-app purchases:** none


## Frequently asked questions

### Is 图片转压 free?

图片转压 is free to download, with no in-app purchases.

### Is 数矿 free?

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

### Do 图片转压 or 数矿 have ads?

Neither 图片转压 nor 数矿 shows ads.

### Which is updated more often, 图片转压 or 数矿?

图片转压 ships an update every 12 months, and 数矿 every 2 weeks. Most recently, 图片转压 was updated on November 4, 2026 and 数矿 on October 25, 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.*