Denoiser: AI Noise Remover

Strip background noise, transcribe offline, and split songs into vocals + instrumental — 100% on your iPhone. Nothing is ever uploaded.

Hiss. Hum. Traffic. Wind. Your recording deserves better.

Denoiser is a private, on-device audio studio for iPhone. It removes background noise, transcribes speech offline, and splits songs into vocals and instrumental — with nothing ever uploaded. It works the same in airplane mode.

CLEAN — REMOVE BACKGROUND NOISE • Record or import audio and video (the video's audio track is used) • One tap strips fan hum, street noise, hiss and room echo — powered by DeepFilterNet on the Apple Neural Engine • A/B compare before & after instantly; pick light, medium or max strength • Export clean audio, or remux the video with its original picture untouched

TRANSCRIBE — OFFLINE SPEECH TO TEXT • Fully on-device Whisper transcription — no cloud, no account • Word-level timestamps: tap any line to jump playback • Edit inline, then export TXT, SRT, VTT or Markdown subtitles • Voice-activity detection skips silence and avoids hallucinated text

STUDIO — SPLIT VOCALS & MUSIC • Separate a song into vocals and instrumental, entirely on device • Solo or mute each stem; export a karaoke track or individual stems

PRIVATE BY DESIGN No servers, no uploads, no sign-in, no tracking, no ads. Your recordings, transcripts and files stay on your iPhone unless you choose to share them.

FREE TO TRY Every feature works on the first 30 seconds of any file, free. Go Pro to process full length and unlock all exports.

— Denoiser Pro — • Lifetime — $29.99 one-time purchase • Yearly — $19.99 with a 3-day free trial • Weekly — $2.99 Pro removes the 30-second limit and unlocks all exports and skins.

SUBSCRIPTION Denoiser Pro offers auto-renewable subscriptions (weekly and yearly). Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. You can manage or cancel anytime in your Apple Account settings. The yearly plan includes a 3-day free trial for eligible new subscribers. The Lifetime option is a separate one-time purchase and does not renew. Prices are in USD and may vary by region.

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