Cayin Control vs UmbraQRGen
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cayin Control
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.
- LAN device pairing
- Custom parametric EQ
- Multi-screen interactive playback
- Precise playback control
- Custom playlist creation
- Centralized device management
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Cayin Controller is an exclusive smart control App designed for all Cayin Hi-Fi & audio hardware. Connect your Cayin amplifiers and music players via local area network easily for centralized device management. • LAN Device Pairing: Auto-scan all Cayin audio gadgets under the same Wi-Fi network, switch controlled equipment with one tap; • Custom Parametric EQ: Professional equalizer enables personalized frequency adjustment, tailor sound curves for different music genres and listening spaces; • Multi-screen Interactive Playback: Link multiple mobile terminals on same network to edit playlists, share favorite tracks and enjoy interactive music together; • Precise Playback Control: Adjust volume, switch audio sources, manage play/pause, skip tracks and set playback loop modes effortlessly; • Custom Playlist Creation: Build private playlists, collect your beloved songs and access your music library instantly. Optimize your Hi-Fi listening experience with professional-level tuning tools, ideal for audiophiles and daily home audio management.
UmbraQRGen
Generate various QR codes directly on your device without needing an account or internet connection. This app prioritizes user privacy by not collecting any personal information or using servers. It offers a straightforward and secure way to create QR codes.
- Create multiple QR code types
- Offline functionality
- No account or login required
- No server usage
- User data privacy focused
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A simple app to create several types of QR codes, all on your device. There are no new accounts, no login, no servers. You keep your information. I don't want it. No Ads, no logins, no servers to take your information.
Screenshots
Verdict
The clearest difference is rating: UmbraQRGen at 5.0 against Cayin Control's 1.0. Cayin Control's advantage is update cadence (every 2 weeks vs every 5 months) and device support (3 vs 1). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
UmbraQRGen holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Cayin Control ships an update every 2 weeks, UmbraQRGen every 5 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Cayin Control | UmbraQRGen |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 2 weeks — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 179 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Zhuhai Spark Electronic Equipment Co., Ltd. | Bryan Murphy |
Customer experience
Cayin Control
UmbraQRGen
In-app purchases
Cayin Control
No in-app purchases
UmbraQRGen
No in-app purchases
