# Solfege Trainer vs Rayvox Studio

The clearest difference is review sentiment: Rayvox Studio at 100% against Solfege Trainer's 43%. Rayvox Studio also leads on price (Free vs $2.99) and update cadence (every 11 days vs every 5 months). Solfege Trainer's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

Rayvox Studio is free to download; Solfege Trainer costs $2.99 up front. Rayvox Studio sells 2 in-app purchases, starting at $4.99 per month. Solfege Trainer asks for nothing beyond the download.

Solfege Trainer ships an update every 5 months, Rayvox Studio every 11 days. Both last shipped on October 8, 2026.

## The numbers

| Metric | Solfege Trainer | Rayvox Studio |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/solfege-trainer/id1371244853/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 42.9% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 11 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 45 MB | 41 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Plearn LLC](https://appshunter.io/developer/6792172523) | [Rayvox Limited](https://appshunter.io/developer/1887111653) |

## What reviewers say

### Solfege Trainer

[App page](https://appshunter.io/ios/app/solfege-trainer/id1371244853)

This app helps you improve your musical ear and sight-singing abilities. It tracks your pitch in real-time, displaying solfege syllables and note names. Get instant feedback to correct your singing and become a better musician.

**Highlights:** Real-time pitch accuracy tracking, Movable and Fixed Do solfege support, Customizable solfege syllables, Sheet music capture and saving, Integrated piano keyboard, Singing recording for playback

**Features:** Vision Pro support

**In-app purchases:** none


### Rayvox Studio

[App page](https://appshunter.io/ios/app/rayvox-studio-vocal-training/id6760977648)

This app provides singers with tools for structured vocal practice, including custom exercises, real-time pitch feedback, and AI-powered lesson analysis. It helps users train smarter, improve vocal technique, and track progress.

**Highlights:** Customizable vocal exercises, Real-time pitch detection, AI-powered lesson analysis, Curated playlists, Built-in piano keyboard, Progress tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Starter | $4.99 | per month |
| Annual Starter | $49.99 | per year |


## Frequently asked questions

### Is Solfege Trainer free?

Solfege Trainer costs $2.99, with no in-app purchases.

### Is Rayvox Studio free?

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

### Do Solfege Trainer or Rayvox Studio have ads?

Rayvox Studio shows ads; Solfege Trainer does not.

### Which is updated more often, Solfege Trainer or Rayvox Studio?

Solfege Trainer ships an update every 5 months, and Rayvox Studio every 11 days. Most recently, Solfege Trainer was updated on October 8, 2026 and Rayvox Studio on October 8, 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.*