# VOCs在线监管平台 vs 久鼎化工

The clearest difference is iOS requirement: 久鼎化工 at 12.0 against VOCs在线监管平台's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

VOCs在线监管平台 ships an update monthly, 久鼎化工 every 3 weeks. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | VOCs在线监管平台 | 久鼎化工 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 52 MB | 47 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Nanjing Zsplat Technology Co.,LTD](https://appshunter.io/developer/1299612063) | [浙江久鼎供应链管理有限公司](https://appshunter.io/developer/1418421752) |

## What reviewers say

### VOCs在线监管平台

[App page](https://appshunter.io/ios/app/vocs/id1539893094)

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

**In-app purchases:** none


### 久鼎化工

[App page](https://appshunter.io/ios/app/id6466984380)

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

**In-app purchases:** none


## Frequently asked questions

### Is VOCs在线监管平台 free?

VOCs在线监管平台 is free to download, with no in-app purchases.

### Is 久鼎化工 free?

久鼎化工 is free to download, with no in-app purchases.

### Do VOCs在线监管平台 or 久鼎化工 have ads?

Neither VOCs在线监管平台 nor 久鼎化工 shows ads.

### Which is updated more often, VOCs在线监管平台 or 久鼎化工?

VOCs在线监管平台 ships an update monthly, and 久鼎化工 every 3 weeks. Most recently, VOCs在线监管平台 was updated on October 27, 2026 and 久鼎化工 on November 3, 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.*