# Blunami Classic vs Open HLX

The clearest difference is rating: Open HLX at 5.0 against Blunami Classic's 4.4. Blunami Classic's advantage is update cadence (every 3 months vs every 21 months) and ratings volume (31 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Open HLX holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Blunami Classic has 31 ratings behind it against 1, so its average is the more settled of the two.

Blunami Classic ships an update every 3 months, Open HLX every 21 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Blunami Classic | Open HLX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (31 ratings)](https://appshunter.io/ios/app/blunami-classic/id1108536203/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/open-hlx/id1587523066/reviews)** |
| Number of ratings | **31** | 1 |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 21 months |
| Monetization | Free | Free |
| Size | 67 MB | 1 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BlueRail Trains](https://appshunter.io/developer/1108536202) | [Grant Erickson](https://appshunter.io/developer/1484134528) |

## What reviewers say

### Blunami Classic

[App page](https://appshunter.io/ios/app/blunami-classic/id1108536203)

Control your model train locomotives equipped with specific DCC decoders. This app is compatible with SoundTraxx Blunami, BlueRailDCC, Bachmann E-Z App, and Blue Horse boards.

**Highlights:** Locomotive control, DCC decoder compatibility, SoundTraxx Blunami support, BlueRailDCC integration, Bachmann E-Z App compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


### Open HLX

[App page](https://appshunter.io/ios/app/open-hlx/id1587523066)

Control your Audio Authority HLX Series Modular Matrix System. Adjust group or zone volume, mute status, and input source directly from your device.

**Highlights:** Change group volume, Change zone volume, Adjust mute status, Select input source, High Definition Audio/Video Switching

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Blunami Classic free?

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

### Is Open HLX free?

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

### Which has better reviews, Blunami Classic or Open HLX?

Open HLX is rated higher. Blunami Classic averages 4.4 out of 5 from 31 ratings, while Open HLX averages 5.0 from 1 ratings.

### Do Blunami Classic or Open HLX have ads?

Neither Blunami Classic nor Open HLX shows ads.

### Which is updated more often, Blunami Classic or Open HLX?

Blunami Classic ships an update every 3 months, and Open HLX every 21 months. Most recently, Blunami Classic was updated on November 2, 2026 and Open HLX on November 3, 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.*