# a vs Harmonize Trainer

The clearest difference is price: a at Free against Harmonize Trainer's $1.99. a also leads on iOS requirement (9.0 vs 15.0). Harmonize Trainer's advantage is update cadence (every 3 months vs every 16 months). On ads, in-app purchases and device support there is nothing between them.

a is free to download; Harmonize Trainer costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

a ships an update every 16 months, Harmonize Trainer every 3 months. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | a | Harmonize Trainer |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/a-live-by-speco-technologies/id1404309364/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 132 MB | 31 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Components Specialties, Inc](https://appshunter.io/developer/375611866) | [Stephen Michael Cesler](https://appshunter.io/developer/1688595725) |

## What reviewers say

### a

[App page](https://appshunter.io/ios/app/a-live-by-speco-technologies/id1404309364)

Stream and control music from popular services to multiple zones. Ideal for commercial or residential use, this app requires compatible hardware to manage stations, presets, and volume for an enhanced audio experience.

**Highlights:** Stream music from popular services, Control music in multiple zones, Group and ungroup speakers, Manage stations and presets, Control volume

**Features:** macOS Compatibility

**In-app purchases:** none


### Harmonize Trainer

[App page](https://appshunter.io/ios/app/harmonize-trainer/id6781284983)

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

**In-app purchases:** none


## Frequently asked questions

### Is a free?

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

### Is Harmonize Trainer free?

Harmonize Trainer costs $1.99, with no in-app purchases.

### Do a or Harmonize Trainer have ads?

Neither a nor Harmonize Trainer shows ads.

### Which is updated more often, a or Harmonize Trainer?

a ships an update every 16 months, and Harmonize Trainer every 3 months. Most recently, a was updated on October 15, 2026 and Harmonize Trainer on October 9, 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.*