# 专业相机 Pro vs Lumen

The clearest difference is in-app purchases: Lumen at none against 专业相机 Pro's 3. Lumen also leads on iOS requirement (15.5 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. 专业相机 Pro sells 3 in-app purchases, starting at $3.99 per 7 days. Lumen asks for nothing beyond the download.

## The numbers

| Metric | 专业相机 Pro | Lumen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Size | 25 MB | 112 MB |
| Requires iOS | 18.0 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [文龙 徐](https://appshunter.io/developer/1559501816) | [勇滨 黄](https://appshunter.io/developer/6804902814) |

## What reviewers say

### 专业相机 Pro

[App page](https://appshunter.io/ios/app/pro/id6761525701)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包周 | $3.99 | per 7 days |
| 连续包月 | $5.99 | per month |
| 连续包年 | $14.99 | per year |


### Lumen

[App page](https://appshunter.io/ios/app/lumen-camera-and-watermark/id6804958506)

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

**In-app purchases:** none


## Frequently asked questions

### Is 专业相机 Pro free?

专业相机 Pro is free to download, with in-app purchases available.

### Is Lumen free?

Lumen is free to download, with no in-app purchases.

### Do 专业相机 Pro or Lumen have ads?

Neither 专业相机 Pro nor Lumen 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.*