# 垃圾分类助理 vs Device Preview Exporter

The clearest difference is in-app purchases: 垃圾分类助理 at none against Device Preview Exporter's 1. 垃圾分类助理 also leads on ads (none vs shown). Device Preview Exporter's advantage is update cadence (every 10 days vs every 39 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Device Preview Exporter sells 1 one-off in-app purchase. 垃圾分类助理 asks for nothing beyond the download.

垃圾分类助理 ships an update every 39 months, Device Preview Exporter every 10 days. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 垃圾分类助理 | Device Preview Exporter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/id1472319252/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 39 months | **Every 10 days** |
| Size | 18 MB | 76 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [文涛 隋](https://appshunter.io/developer/1212355458) | [博 彭](https://appshunter.io/developer/1293268076) |

## What reviewers say

### 垃圾分类助理

[App page](https://appshunter.io/ios/app/id1472319252)

**Features:** macOS Compatibility

**In-app purchases:** none


### Device Preview Exporter

[App page](https://appshunter.io/ios/app/device-preview-exporter/id6467133500)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UpgradeToPro | $0.99 | one-time |


## Frequently asked questions

### Is 垃圾分类助理 free?

垃圾分类助理 is free to download, with no in-app purchases.

### Is Device Preview Exporter free?

Device Preview Exporter is free to download, with in-app purchases available.

### Do 垃圾分类助理 or Device Preview Exporter have ads?

Device Preview Exporter shows ads; 垃圾分类助理 does not.

### Which is updated more often, 垃圾分类助理 or Device Preview Exporter?

垃圾分类助理 ships an update every 39 months, and Device Preview Exporter every 10 days. Most recently, 垃圾分类助理 was updated on October 29, 2026 and Device Preview Exporter on October 30, 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.*