# 压缩专家 vs Device Preview Exporter

The clearest difference is iOS requirement: Device Preview Exporter at 11.0 against 压缩专家's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 压缩专家 sells 9 in-app purchases, starting at $0.99 per month and Device Preview Exporter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

压缩专家 ships an update fortnightly, Device Preview Exporter every 10 days. The most recent releases landed on September 20, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | 压缩专家 | Device Preview Exporter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 10 days** |
| Size | 20 MB | 76 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [学鹏 张](https://appshunter.io/developer/1529221117) | [博 彭](https://appshunter.io/developer/1293268076) |

## What reviewers say

### 压缩专家

[App page](https://appshunter.io/ios/app/id6462813652)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 25GB云盘 | $0.99 | per month |
| 按月订阅VIP | $1.99 | per month |
| 50GB云盘 | $2.99 | per month |
| 100GB云盘 | $4.99 | per month |
| 250GB云盘 | $11.99 | per month |
| 订阅半年VIP | $12.99 | per 6 months |
| 订阅一年VIP | $19.99 | per year |
| 500GB云盘 | $24.99 | per month |
| 1TB云盘 | $49.99 | per month |


### Device Preview Exporter

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

**Features:** macOS Compatibility

**In-app purchases (1)**

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


## Frequently asked questions

### Is 压缩专家 free?

压缩专家 is free to download, with in-app purchases available.

### Is Device Preview Exporter free?

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

### Do 压缩专家 or Device Preview Exporter have ads?

Both 压缩专家 and Device Preview Exporter show ads.

### Which is updated more often, 压缩专家 or Device Preview Exporter?

压缩专家 ships an update fortnightly, and Device Preview Exporter every 10 days. Most recently, 压缩专家 was updated on September 20, 2026 and Device Preview Exporter on September 13, 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.*