# qdc vs Cayin Control

The clearest difference is update cadence: Cayin Control at every 2 weeks against qdc's every 6 weeks. 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.

qdc ships an update every 6 weeks, Cayin Control every 2 weeks. The most recent releases landed on October 1, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | qdc | Cayin Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/cayin-control/id6748970522/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 35 MB | 179 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Qili Audio Application Co., Ltd.](https://appshunter.io/developer/1623518683) | [Zhuhai Spark Electronic Equipment Co., Ltd.](https://appshunter.io/developer/1828320462) |

## What reviewers say

### qdc

[App page](https://appshunter.io/ios/app/qdc/id1623518681)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cayin Control

[App page](https://appshunter.io/ios/app/cayin-control/id6748970522)

This app allows users to remotely manage and control Cayin Hi-Fi audio hardware over a local network. It offers features like device pairing, custom EQ settings, multi-screen playback, and playlist creation for an optimized audio experience.

**Highlights:** LAN device pairing, Custom parametric EQ, Multi-screen interactive playback, Precise playback control, Custom playlist creation, Centralized device management

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

**In-app purchases:** none


## Frequently asked questions

### Is qdc free?

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

### Is Cayin Control free?

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

### Do qdc or Cayin Control have ads?

Neither qdc nor Cayin Control shows ads.

### Which is updated more often, qdc or Cayin Control?

qdc ships an update every 6 weeks, and Cayin Control every 2 weeks. Most recently, qdc was updated on October 1, 2026 and Cayin Control on September 22, 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.*