# 兆山供应端 vs Device Preview Exporter

The clearest difference is in-app purchases: 兆山供应端 at none against Device Preview Exporter's 1. 兆山供应端 also leads on ads (none vs shown) and iOS requirement (9.0 vs 11.0). Device Preview Exporter's advantage is update cadence (every 10 days vs every 23 months). On price and device support there is nothing between them.

Both are free to download. Device Preview Exporter sells 1 one-off in-app purchase. 兆山供应端 asks for nothing beyond the download.

兆山供应端 ships an update every 23 months, Device Preview Exporter every 10 days. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 兆山供应端 | Device Preview Exporter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 23 months | **Every 10 days** |
| Size | 29 MB | 76 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [杭州云天软件股份有限公司](https://appshunter.io/developer/1051304783) | [博 彭](https://appshunter.io/developer/1293268076) |

## What reviewers say

### 兆山供应端

[App page](https://appshunter.io/ios/app/id1633192524)

**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 兆山供应端 free?

兆山供应端 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 兆山供应端 or Device Preview Exporter have ads?

Device Preview Exporter shows ads; 兆山供应端 does not.

### Which is updated more often, 兆山供应端 or Device Preview Exporter?

兆山供应端 ships an update every 23 months, and Device Preview Exporter every 10 days. Most recently, 兆山供应端 was updated on November 7, 2026 and Device Preview Exporter 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.*