ChoirKey vs Rayvox Studio
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
ChoirKey
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ChoirKey helps singers learn their choir music with custom rehearsal tracks, flexible playback tools and a scrolling score, built for real practice. Enter your unique Choir Key to access your choir's repertoire, then choose the tracks you'd like to rehearse in your own time. Hear your own vocal line clearly, blend it with the accompaniment or a choral reduction, slow difficult passages without leaving the player, and loop short sections until you're confident with your part. When score files are available, ChoirKey lets you view the sheet music in the app and follow along as the audio plays. You can also download tracks for offline practice, keep favourites close to hand, and manage stored files from your repertoire list. Key features: - Secure access to your choir's custom rehearsal library - Separate vocal-part and accompaniment playback controls - Tempo adjustment for learning difficult passages - Repeat loops for focused practice - Score viewing with audio-following support where available - Favourites and local storage management - Offline access to downloaded rehearsal materials ChoirKey is designed for choir members, choral leaders, teachers, and singing groups who want rehearsal preparation to be quicker, clearer, and easier to fit around everyday life. Note: Access to most libraries requires a Choir Key provided by your choir, organisation, teacher, or rights holder.
Rayvox Studio
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.
- Customizable vocal exercises
- Real-time pitch detection
- AI-powered lesson analysis
- Curated playlists
- Built-in piano keyboard
- Progress tracking
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Rayvox Studio is your personal vocal training studio - designed for singers of all levels who want to improve their voice with structured, personalised practice. Whether you're warming up before a gig, working through technique exercises, or analysing a lesson from your vocal coach, Rayvox Studio gives you the tools to train smarter and sing better. KEY FEATURES: - Customisable Vocal Exercises Build your own warm-up and training routines from a library of vocal exercises. Tailor every session to your voice type, range, and goals. - Real-Time Pitch Detection Sing into your microphone and get instant visual feedback on your pitch accuracy. See exactly where you're hitting the note and where you need to adjust โ perfect for ear training and intonation work. - AI-Powered Lesson Analysis Upload recordings of your voice lessons and let AI break down what you worked on, what improved, and what to focus on next. Never forget what your coach told you again. - Curated Playlists Organise your exercises, songs, and practice material into playlists. Keep your training structured and track your progress over time. - Built-In Piano Reference pitches, check your range, and play along with exercises using the integrated piano keyboard. WHO IT'S FOR: โข Singers who want consistent, structured vocal practice โข Voice students looking to get more from their lessons โข Vocal coaches who want their students to practise between sessions โข Performers warming up before rehearsals and gigs โข Beginners building pitch accuracy and vocal confidence TRAIN YOUR VOICE LIKE AN ATHLETE: Great singing comes from consistent practice. Rayvox Studio brings together everything you need in one app โ pitch training, exercises, lesson analysis, and progress tracking โ so you can build vocal strength, accuracy, and confidence every day. WORKS WITH RAYVOX PRODUCTS: Rayvox Studio pairs with Rayvox physical products like the Resono Go for a complete vocal training ecosystem. Use them together or use the app on its own โ it's up to you. Download Rayvox Studio and start training your voice today. POLICIES: Privacy: https://studio.rayvox.co.uk/privacy Terms: https://studio.rayvox.co.uk/terms
Screenshots
Verdict
The clearest difference is in-app purchases: ChoirKey at none against Rayvox Studio's 2. ChoirKey also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Rayvox Studio sells 2 in-app purchases, starting at $4.99 per month. ChoirKey asks for nothing beyond the download.
ChoirKey ships an update every 10 days, Rayvox Studio every 11 days. The most recent releases landed on October 26, 2026 and October 8, 2026 respectively.
| Parameter | ChoirKey | Rayvox Studio |
|---|---|---|
| Price | Free | Free |
| Positive reviews | โ | 100.0% of reviews |
| Update frequency | Every 10 days โ better | Every 11 days |
| Ads | No โ better | Yes |
| In-app purchases | No โ better | Yes |
| Monetization | โ | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details โ not scored | ||
| Size | 13 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Tristan Russcher | Rayvox Limited |
In-app purchases
ChoirKey
No in-app purchases
Rayvox Studio
- Monthly Starter$4.991 Month
- Annual Starter$49.991 Year









