ZETLIGHT SYSTEM vs HollyAudio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZETLIGHT SYSTEM
Control Zetlight LED aquarium lighting devices remotely. Manage multiple lights, adjust effects like dawn and lunar phases, and simulate weather patterns. Offers basic and expert control platforms for aquarium hobbyists.
- Control Zetlight LED lighting devices
- Wireless network control
- Manage multiple lightings
- Basic and Expert control platforms
- Adjust light effects (dawn, sunrise, daytime, sunset, nighttime)
- Simulate weather and lunar phases
- Acclimation mode for new tank inhabitants
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Zetlight system is a system that can work with Zetlight WIFI SWITCH A100 to control Zetlight various series LED lighting devices including SHIELDO, QMAVEN, IOZEAN and LANCIA. You can connect locally or follow simple steps for linking to your home‘s router to control above lighting series through wireless network. Aquarium hobbyists can obtain more powerful and interesting functions with Zetlight system control platform. Easy installation and setup Manage multiple lightings with one system Basic and Expert control platforms available Free adjusting light effect in five timers: dawn, sunrise, daytime, sunset and nighttime. Enable automatic cycle of light shift in a day. Demo setting: demonstrate the setting including timer and lighting effect for a whole day. Weather mode: simulate cloudy and stormy lightning Advanced options: Auto cloudy: Cloudy mode in random way Lunar phase: Simulate light brightness change of the moon periodically based on light change in years’ record. Acclimation: Light will increase its intensity from weak gradually to strong until the normal state when there is new tank inhabitant.
HollyAudio
This app enhances the functionality of Lark wireless microphones by enabling firmware upgrades and microphone parameter configuration. It aims to optimize the user experience for these specific devices.
- Firmware upgrades
- Microphone parameter configuration
- Optimized user experience
- Device management
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Developed exclusively for Lark wireless microphones by Hollyland Technology, LarkSound is a perfect app to achieve multiple functions, such as device firmware upgrade and microphone parameter configuration, optimizing the user experience.
Screenshots
Verdict
The clearest difference is rating: ZETLIGHT SYSTEM at 4.3 against HollyAudio's 2.3. ZETLIGHT SYSTEM also leads on review sentiment (29% vs 18%) and iOS requirement (9.0 vs 13.0). HollyAudio's advantage is ratings volume (111 vs 3) and update cadence (every 3 weeks vs every 2 months). On price, ads, in-app purchases and monetization model 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.
ZETLIGHT SYSTEM holds the better App Store score, 4.3 against 2.3. That said, the two scores are not equally well evidenced: HollyAudio has 111 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 29% of ZETLIGHT SYSTEM's written reviews are positive against 18% of HollyAudio's.
ZETLIGHT SYSTEM ships an update every 2 months, HollyAudio every 3 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.
| Parameter | ZETLIGHT SYSTEM | HollyAudio |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (3 ratings) — better | 2.3 (111 ratings) |
| Positive reviews | 28.6% of reviews — better | 18.0% of reviews |
| Number of ratings | 3 | 111 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 22 MB | 168 MB |
| Age rating | 4+ | +4 |
| Developer | Zetlight Group | 深圳市昊一源科技有限公司 |
Customer experience
ZETLIGHT SYSTEM
HollyAudio
Bugs and requests
ZETLIGHT SYSTEM
Not enough reviews yet to summarise bugs or requests.
HollyAudio
Reported bugs
12 issues- App does not detect receiver when plugged in via USB-C
- Bluetooth pairing fails repeatedly across devices
- App disconnects when user navigates to other applications
- Receiver not recognized on iPhone 15 and iPhone 16 models
- Firmware update loop causing app freeze
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- Help button non-functional
- App fails to recognize devices after iOS updates
- Pairing instructions cause device to power cycle instead of pair
- App not registering Local Network Access permission on iOS
- Playback functionality disabled when receiver is connected
- Inconsistent connection across multiple device types
- App crashes during initial setup and connection attempts
Requested features
10 requests- Volume slider instead of preset levels (high/medium/low)
- Individual volume control for each microphone
- Keep app running in background without disconnecting
- Auto mono/stereo switching based on microphone count
- Mac/desktop application support
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- Wireless shotgun microphone option
- Better contextual guidance during setup
- Accessible help system that actually functions
- Live audio playback through speaker
- Troubleshooting prompts and diagnostic tools
In-app purchases
ZETLIGHT SYSTEM
No in-app purchases
HollyAudio
No in-app purchases









