SUS4 Pitch Pipe: Tuning Drone

SUS4 Pitch Pipe: Tuning Drone

Concert pitch for brass & sax

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Free
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Details

Released
June 17, 2026
Updated
November 14, 2026

Features

SUS4 Pitch Pipe: Tuning Drone screenshot #1 for iPhone
SUS4 Pitch Pipe: Tuning Drone screenshot #2 for iPhone
SUS4 Pitch Pipe: Tuning Drone screenshot #3 for iPhone
SUS4 Pitch Pipe: Tuning Drone screenshot #4 for iPhone
SUS4 Pitch Pipe: Tuning Drone screenshot #5 for iPhone
SUS4 Pitch Pipe: Tuning Drone screenshot #6 for iPhone
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About

The band is about to tune and there is no piano in the room, or no tuner that everybody can hear. Tap the note here and it holds until you stop it. Hold a steady concert pitch for tuning, long tones and intonation work. Any note from C1 to B8, with A4 anywhere from 430 to 450 Hz, so the band tunes to one reference. Fully on-device: no cloud, no account. Tap a note and it keeps sounding until you tap it again. Tune to concert B flat or A before a rehearsal or a gig, play long tones against it and listen for the beats to slow down and stop, or hold the tonic under a scale and check each interval by ear. It needs no microphone, so the tone stays clean in a loud band room, backstage or in a church. • 12 notes per octave, octaves 1 to 8 • A4 reference from 430 to 450 Hz, for bands that tune to 442 • Notes sound at concert pitch, named with sharps: B flat is A# • Works offline, with no mic permission For trumpet, trombone, horn, tuba and sax players, brass bands, big bands and wind bands, and choirs that need a starting note. Everyone gets two notes a day. Pro, or SUS4 All-Access across the whole range, removes the daily limit and adds Pitch Pipe+: an interval drone (the root with any interval up to an octave above it), chord drones (major, minor, sus2 and sus4) for a section tuning a chord, a glide between two notes and five tones from sine to plucked. PART OF THE SUS4 RANGE Pitch Pipe is one of more than 20 SUS4 apps for musicians from the same studio, covering tuning, timing, ear training, transcribing and writing. SUS4 All-Access unlocks all of them with one subscription. WHAT IT COSTS The app is free to download and use, with the limits and Pro extras described above. Pitch Pipe Pro and SUS4 All-Access are optional subscriptions. The plans on offer and their prices are shown in the app before you pay, and you can cancel at any time in your App Store settings. Built by Paul at 4ChordsStudios, a working recording studio in the UK. Who makes it: https://4chords.studio Contact: hello@4chords.studio Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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What's New in SUS4 Pitch Pipe

1.4.0

November 14, 2026

Layouts now adapt to iPhone Duo and other foldable displays. Bug fixes and performance improvements.

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