# 环保小智 vs 危废标识管理

The clearest difference is iOS requirement: 环保小智 at 12.0 against 危废标识管理's 14.0. 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.

环保小智 ships an update monthly, 危废标识管理 every 3 weeks. The most recent releases landed on May 20, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 环保小智 | 危废标识管理 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 81 MB | 13 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Hangzhou Qingshen Environmental Protection Technology Co., Ltd.](https://appshunter.io/developer/1508942974) | [Shanghai ThanMore Network Technology Co., Ltd.](https://appshunter.io/developer/1792662778) |

## What reviewers say

### 环保小智

[App page](https://appshunter.io/ios/app/id1508942975)

**Features:** macOS Compatibility

**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 环保小智 free?

环保小智 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 环保小智 or 危废标识管理 have ads?

Neither 环保小智 nor 危废标识管理 shows ads.

### Which is updated more often, 环保小智 or 危废标识管理?

环保小智 ships an update monthly, and 危废标识管理 every 3 weeks. Most recently, 环保小智 was updated on May 20, 2026 and 危废标识管理 on September 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.*