# Sostenuto vs Orchestra Audition Prep

The clearest difference is in-app purchases: Orchestra Audition Prep at none against Sostenuto's 2. Sostenuto's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sostenuto sells 2 in-app purchases, starting at $4.99 per month. Orchestra Audition Prep asks for nothing beyond the download.

Sostenuto ships an update every 3 weeks, Orchestra Audition Prep every 2 months. Both last shipped on October 31, 2026.

## The numbers

| Metric | Sostenuto | Orchestra Audition Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/sostenuto-music-practice/id6760582882/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Freemium | — |
| Size | 54 MB | 35 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Valerio De Feo](https://appshunter.io/developer/1885163113) | [Mario Grunkorn](https://appshunter.io/developer/6780648045) |

## What reviewers say

### Sostenuto

[App page](https://appshunter.io/ios/app/sostenuto-music-practice/id6760582882)

This app helps musicians build a lasting repertoire by using spaced repetition and AI coaching. It intelligently schedules practice sessions to combat forgetting and provides personalized feedback based on your progress.

**Highlights:** Intelligent practice scheduling, AI practice coach, Repertoire management, Audio/video recording, Practice streaks and achievements, Sheet music storage

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sostenuto Pro Monthly | $4.99 | per month |
| Sostenuto Pro Annual | $29.99 | per year |


### Orchestra Audition Prep

[App page](https://appshunter.io/ios/app/orchestra-audition-prep/id6780648043)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sostenuto free?

Sostenuto is free to download, with in-app purchases available.

### Is Orchestra Audition Prep free?

Orchestra Audition Prep is free to download, with no in-app purchases.

### Do Sostenuto or Orchestra Audition Prep have ads?

Neither Sostenuto nor Orchestra Audition Prep shows ads.

### Which is updated more often, Sostenuto or Orchestra Audition Prep?

Sostenuto ships an update every 3 weeks, and Orchestra Audition Prep every 2 months. Most recently, Sostenuto was updated on October 31, 2026 and Orchestra Audition Prep on October 31, 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.*