AltoClef vs Listen
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AltoClef
A game designed to help viola players improve their sight-reading speed. It offers a focused learning experience for musicians looking to master alto clef notation.
- Sight-reading practice
- Alto clef focus
- Viola player learning
- Basic gameplay
- Future updates planned
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AltoClef is a game for viola players who are learning to sightread AltoClef faster! The game is basic for now, but it will get better in the future releases.
Listen
This minimalist, hands-free app helps you develop your musical ear by recognizing intervals, chords, and scales. Simply listen as the app plays sounds and then reveals their names in a continuous loop. Customize your training sessions for focused practice.
- Listen-only ear training
- Recognize intervals, chords, scales
- Hands-free operation
- Configurable training sessions
- Minimalist interface
- Looping sound playback
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Recognize intervals, chords, and scales with this minimalist, listen-only, hands-free ear training app. Configure your training, and just listen. The app will play the sound and then tell its name after one second, in a loop.
Screenshots
Verdict
The clearest difference is iOS requirement: AltoClef at 13.0 against Listen's 15.0. On price, rating, review sentiment and ratings volume 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.
On the App Store both sit at effectively the same score — 5.0 for AltoClef against 5.0 for Listen. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
| Parameter | AltoClef | Listen |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (3 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 5 — better | 3 |
| Update frequency | Daily | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 1 MB | 112 MB |
| Age rating | 4+ | 4+ |
| Developer | Khaleel Jamal Annajjar | Enver Yigitler |
Customer experience
AltoClef
Listen
In-app purchases
AltoClef
No in-app purchases
Listen
No in-app purchases









