SUS4 Pitch Pipe: Starting Note
Any note from C3 to B5, on tap
Free · In‑App Purchases
Tap a note and the choir has its starting pitch. Any note from C3 to B5, with an adjustable A4. No mic needed, and it works offline.
Tap a note and the choir has its starting pitch.
Every note from C3 to B5 with an adjustable A4, so the group starts in the right key.
Fully on-device: no cloud, no account.
Pick the octave, tap the note, and it plays a clean tone. It needs no microphone, so it works in a church, a rehearsal room or the car on the way to a gig.
• 12 notes per octave, octaves 3 to 5
• A4 reference you can move away from 440 Hz
• Works offline, with no mic permission
For choir leaders, a cappella and barbershop groups, brass bands and singing teachers.
Pitch Pipe+, part of Pro and SUS4 All-Access, adds a drone that holds the note, chord drones (major, minor, sus2 and sus4), intervals, glide and five tones from sine to plucked.
Made in the UK by working musicians.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
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SUS4 now speaks your language: the app is available in 50 languages.
Any lifetime purchase now unlocks every SUS4 app.
A clearer upgrade screen, plus fixes and polish throughout.
The developer, ThePaulSmith, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Paul Smith
- Size
- 28.7 MB
- Category
- Music
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - iPad
Requires iPadOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later. - Apple Watch
Requires watchOS 10.0 or later.
- iPhone
- Languages
English and 43 more
- English, Arabic, Bengali, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Gujarati, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Kannada, Korean, Malay, Malayalam, Marathi, Norwegian Bokmål, Oriya, Polish, Portuguese, Punjabi, Romanian, Russian, Simplified Chinese, Slovak, Slovenian, Spanish, Swedish, Tamil, Telugu, Thai, Traditional Chinese, Turkish, Ukrainian, Urdu, Vietnamese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- SUS4 Pitch Pipe Lifetime $59.99
- SUS4 All-Access $4.99
- SUS4 Pitch Pipe Pro Monthly $0.99
- Copyright
- © 2026 4chords Studios