# 浙金协同 vs 灵线

The clearest difference is in-app purchases: 浙金协同 at none against 灵线's 2. 浙金协同 also leads on iOS requirement (13.0 vs 18.6). 灵线's advantage is update cadence (every 3 days vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. 灵线 sells 2 in-app purchases, starting at $4.99 per month. 浙金协同 asks for nothing beyond the download.

浙金协同 ships an update every 5 weeks, 灵线 every 3 days. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 浙金协同 | 灵线 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Size | 26 MB | 28 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [物产中大金属集团有限公司](https://appshunter.io/developer/955686972) | [Hefei Yi Qicheng Technology Co., Ltd.](https://appshunter.io/developer/1895580826) |

## What reviewers say

### 浙金协同

[App page](https://appshunter.io/ios/app/id955686973)

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

**In-app purchases:** none


### 灵线

[App page](https://appshunter.io/ios/app/pdfai/id6763971571)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度订阅 | $4.99 | per month |
| 年度订阅 | $39.99 | per year |


## Frequently asked questions

### Is 浙金协同 free?

浙金协同 is free to download, with no in-app purchases.

### Is 灵线 free?

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

### Do 浙金协同 or 灵线 have ads?

Neither 浙金协同 nor 灵线 shows ads.

### Which is updated more often, 浙金协同 or 灵线?

浙金协同 ships an update every 5 weeks, and 灵线 every 3 days. Most recently, 浙金协同 was updated on October 24, 2026 and 灵线 on October 20, 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.*