# QIAN DING vs Crystal Vision

The clearest difference is update cadence: Crystal Vision at every 5 weeks against QIAN DING's every 7 months. QIAN DING's advantage is iOS requirement (9.0 vs 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.

QIAN DING ships an update every 7 months, Crystal Vision every 5 weeks. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | QIAN DING | Crystal Vision |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (2 ratings)](https://appshunter.io/ios/app/crystal-vision/id1472105574/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 163 MB | 73 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [QIAN SA DE CV](https://appshunter.io/developer/1297129926) | [Shenzhen Crystal Video Technology Co., Ltd](https://appshunter.io/developer/913802696) |

## What reviewers say

### QIAN DING

[App page](https://appshunter.io/ios/app/qian-ding/id1297878078)

**Features:** macOS Compatibility

**In-app purchases:** none


### Crystal Vision

[App page](https://appshunter.io/ios/app/crystal-vision/id1472105574)

View and record HDMI camera footage on your iOS device. Adjust video parameters like resolution and frame rate. Requires compatible wireless video transmission hardware.

**Highlights:** View HDMI camera footage, Record footage and images, Set video parameters (resolution, rate), Wireless video transmission support, iOS device compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QIAN DING free?

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

### Is Crystal Vision free?

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

### Do QIAN DING or Crystal Vision have ads?

Neither QIAN DING nor Crystal Vision shows ads.

### Which is updated more often, QIAN DING or Crystal Vision?

QIAN DING ships an update every 7 months, and Crystal Vision every 5 weeks. Most recently, QIAN DING was updated on October 26, 2026 and Crystal Vision on October 29, 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.*