# 环保工匠 vs 危废标识管理

The clearest difference is iOS requirement: 环保工匠 at 13.0 against 危废标识管理'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.

环保工匠 ships an update fortnightly, 危废标识管理 every 4 weeks. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 环保工匠 | 危废标识管理 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 weeks |
| Size | 76 MB | 13 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [向强 陈](https://appshunter.io/developer/1600015117) | [Shanghai ThanMore Network Technology Co., Ltd.](https://appshunter.io/developer/1792662778) |

## What reviewers say

### 环保工匠

[App page](https://appshunter.io/ios/app/id1601921661)

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

**In-app purchases:** none


### 危废标识管理

[App page](https://appshunter.io/ios/app/id6448085053)

**In-app purchases:** none


## Frequently asked questions

### Is 环保工匠 free?

环保工匠 is free to download, with no in-app purchases.

### Is 危废标识管理 free?

危废标识管理 is free to download, with no in-app purchases.

### Do 环保工匠 or 危废标识管理 have ads?

Neither 环保工匠 nor 危废标识管理 shows ads.

### Which is updated more often, 环保工匠 or 危废标识管理?

环保工匠 ships an update fortnightly, and 危废标识管理 every 4 weeks. Most recently, 环保工匠 was updated on October 25, 2026 and 危废标识管理 on October 27, 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.*