# 这是什么垃圾 vs 拧螺丝3D

The clearest difference is iOS requirement: 这是什么垃圾 at 9.0 against 拧螺丝3D's 12.0. 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.

## The numbers

| Metric | 这是什么垃圾 | 拧螺丝3D |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | Free | — |
| Size | 19 MB | 70 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [朝品 冯](https://appshunter.io/developer/977100747) | [永杰 张](https://appshunter.io/developer/1514324749) |

## What reviewers say

### 这是什么垃圾

[App page](https://appshunter.io/ios/app/id1471840093)

This app helps users sort household waste according to Shanghai's regulations. It provides detailed categories and examples for dry, wet, recyclable, and hazardous waste, along with guidance for large and renovation debris.

**Highlights:** Dry waste classification, Wet waste classification, Recyclable waste identification, Hazardous waste details, Large item disposal, Renovation debris guidelines

**Features:** macOS Compatibility

**In-app purchases:** none


### 拧螺丝3D

[App page](https://appshunter.io/ios/app/3d/id6739273887)

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

**In-app purchases:** none


## Frequently asked questions

### Is 这是什么垃圾 free?

这是什么垃圾 is free to download, with no in-app purchases.

### Is 拧螺丝3D free?

拧螺丝3D is free to download, with no in-app purchases.

### Do 这是什么垃圾 or 拧螺丝3D have ads?

Neither 这是什么垃圾 nor 拧螺丝3D shows ads.

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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.*