# HollyAudio vs Ultra Rays

The clearest difference is update cadence: HollyAudio at every 3 weeks against Ultra Rays's every 2 months. 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.

HollyAudio ships an update every 3 weeks, Ultra Rays every 2 months. The most recent releases landed on October 17, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | HollyAudio | Ultra Rays |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (107 ratings)](https://appshunter.io/ios/app/hollyaudio/id6443487266/reviews)** | — |
| Number of ratings | **107** | — |
| Positive reviews | 17.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 182 MB | 52 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [深圳市昊一源科技有限公司](https://appshunter.io/developer/1460631424) | [Utlra Rays Energy Solutions](https://appshunter.io/developer/1843063088) |

## What reviewers say

### HollyAudio

[App page](https://appshunter.io/ios/app/hollyaudio/id6443487266)

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.

**Highlights:** Firmware upgrades, Microphone parameter configuration, Optimized user experience, Device management

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

**In-app purchases:** none

**What reviewers like**

- ✅ Simple and intuitive interface design
- 🔧 Comprehensive control over microphone settings
- ⚡ Quick firmware updates when working
- 📱 Works reliably on some iPhone models
- 🎚️ Effective volume adjustment capabilities

**What reviewers complain about**

- 🐛 Persistent Bluetooth connectivity failures
- 🐛 App crashes when switching between applications
- 🐛 Device detection issues across multiple iPhone models
- 📵 USB-C connection not recognized on iPhone 15+
- 🔌 Requires constant app reopening to maintain connection

**Reported bugs**

- 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

**Requested features**

- 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


### Ultra Rays

[App page](https://appshunter.io/ios/app/ultra-rays/id6753207115)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HollyAudio free?

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

### Is Ultra Rays free?

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

### Do HollyAudio or Ultra Rays have ads?

Neither HollyAudio nor Ultra Rays shows ads.

### Which is updated more often, HollyAudio or Ultra Rays?

HollyAudio ships an update every 3 weeks, and Ultra Rays every 2 months. Most recently, HollyAudio was updated on October 17, 2026 and Ultra Rays on October 4, 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.*