Loupe – Music Practice Player
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Everyone
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10+
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About this app
Loupe is a practice player for musicians who want to decode any track, part by part.
Slow it down without distorting the sound. Transpose to match your range. Loop the hard parts and repeat them as many times as you need.
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WHAT LOUPE DOES
Slow down without distortion
From 0.1× to 2×, the pitch stays intact. You finally hear every note clearly, without warped audio. That's the foundation of any practice session.
Transpose to your range
Shift the pitch up or down by semitones to match your vocal range, your instrument, or to push your limits.
Loop and repeat any part
Drag on the waveform to isolate the part that's giving you trouble. The loop creates instantly and repeats for as long as you need. Create as many loops as you want in the same track.
Sequence mode to chain them
Once you've mastered each part on its own, chain them automatically in Sequence mode. Like a silent coach walking you through, from start to finish.
Your audio stays on your device
Loupe never uploads your audio files. Works offline. Anonymous usage stats only — no personal data, no ad tracking.
—
WHO IT'S FOR
Singers and choir members working on runs and fast melodic phrases.
Guitarists, keyboardists, violinists and any instrumentalist decoding solos.
Music school students and self-taught players structuring their work on a full piece.
Anyone who wants to understand music beyond just listening.
—
WHY I BUILT IT
I was learning complex vocal runs — those ultra-fast strings of notes you hear in blues, soul, country, from well-known artists to under-the-radar ones. At full speed, it's impossible to catch everything. I looked for an Android app to decode those lines. None did the job right: they distorted the sound, only handled one loop, or wanted an account.
I built Loupe to fix this, for myself first. It's a simple, accessible tool that bundles the functions that actually matter when you're working on a song and want to get better. Just the app, your track, and the parts you want to nail.
Slow it down without distorting the sound. Transpose to match your range. Loop the hard parts and repeat them as many times as you need.
—
WHAT LOUPE DOES
Slow down without distortion
From 0.1× to 2×, the pitch stays intact. You finally hear every note clearly, without warped audio. That's the foundation of any practice session.
Transpose to your range
Shift the pitch up or down by semitones to match your vocal range, your instrument, or to push your limits.
Loop and repeat any part
Drag on the waveform to isolate the part that's giving you trouble. The loop creates instantly and repeats for as long as you need. Create as many loops as you want in the same track.
Sequence mode to chain them
Once you've mastered each part on its own, chain them automatically in Sequence mode. Like a silent coach walking you through, from start to finish.
Your audio stays on your device
Loupe never uploads your audio files. Works offline. Anonymous usage stats only — no personal data, no ad tracking.
—
WHO IT'S FOR
Singers and choir members working on runs and fast melodic phrases.
Guitarists, keyboardists, violinists and any instrumentalist decoding solos.
Music school students and self-taught players structuring their work on a full piece.
Anyone who wants to understand music beyond just listening.
—
WHY I BUILT IT
I was learning complex vocal runs — those ultra-fast strings of notes you hear in blues, soul, country, from well-known artists to under-the-radar ones. At full speed, it's impossible to catch everything. I looked for an Android app to decode those lines. None did the job right: they distorted the sound, only handled one loop, or wanted an account.
I built Loupe to fix this, for myself first. It's a simple, accessible tool that bundles the functions that actually matter when you're working on a song and want to get better. Just the app, your track, and the parts you want to nail.
Updated on
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No data shared with third parties
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Data is encrypted in transit
What’s new
Loupe's first public release 🎉
An idea, a bug, something missing?
Tell me right from the app — Settings › Feedback. Thanks !
An idea, a bug, something missing?
Tell me right from the app — Settings › Feedback. Thanks !
