a vs Harmonize Trainer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
a
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.
- Stream music from popular services
- Control music in multiple zones
- Group and ungroup speakers
- Manage stations and presets
- Control volume
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a-live® from Speco Technologies allows you to stream and control music from the most popular services to one or more zones for the ultimate in entertainment. a-live® is ideal for commercial or residential installations and can be adapted to fit zones of any size. This app must be used in conjunction with one of the a-live® hardware units - AS1 a-live® streaming source unit or AA1 2x80W streaming amplifier. Combine a-live® with a Speco Technologies commercial amplifier to fill even the largest rooms with sound. With the a-live® app, you can group and ungroup speakers, manage your stations and presets, control volume and more. Go to http://www.specotech.com for more information.
Harmonize Trainer
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Learn to practice harmonizing with real-time feedback. Use the practice mode to hear notes and practice singing major 3rd and 5th harmonies. Short, easy-to-understand lessons introducing you to harmonies - simple enough for any age. No theory, all practical. Find your vocal range so your lessons align to you specifically.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | a | Harmonize Trainer |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.3 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 16 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 132 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Components Specialties, Inc | Stephen Michael Cesler |
In-app purchases
a
No in-app purchases
Harmonize Trainer
No in-app purchases
