Voice Isolation vs Pii
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Voice Isolation
Effortlessly remove unwanted background noise from your audio and video recordings directly on your iPhone. This app processes sound entirely on-device, ensuring your data stays private. Perfect for creators needing clean audio for social media, podcasts, or interviews.
- 100% on-device processing
- System-wide Share Extension
- A/B before-and-after preview
- Removes wind, traffic, chatter, echo
- Import from various sources
- Export cleaned audio and video
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Great picture, terrible sound? Import the video and Voice Isolation hands it back with the noise gone — same footage, same length, clean voice. Most clips come back in about a minute. No desktop session, no re-syncing an audio file to your timeline. It works the same way on plain audio: voice memos, interviews, dictation, or anything you can share in from another app. ▸ WHAT IT FIXES • Wind on outdoor and beach clips • Café and restaurant chatter • Traffic and street noise • Room echo and reverb • HVAC hum, fan noise, and other steady backgrounds ▸ HOW IT WORKS Pick a video or an audio file. Voice Isolation pulls out the audio, runs it through an AI speech-enhancement model, and blends the result back against your original. For video it remuxes the cleaned audio onto your footage automatically, so what you get is a finished MP4 — not an audio file you have to line up yourself. One tap A/B: switch between the original and the cleaned version and hear exactly what changed before you export anything. Cleaning runs on our servers, so your clip is uploaded over an encrypted connection while it is processed. Uploads are deleted automatically within 48 hours, and we never train on your audio. ▸ BRING IT IN • Record in the app with a live level meter • Import audio (M4A, WAV, MP3) or video (MP4, MOV) from Files • Pull videos straight from your Photo Library • Send anything in from another app through the iOS share sheet ▸ GET IT BACK OUT • Share the cleaned audio to any app • Save the cleaned video as a new MP4 (Pro) • Export as WAV (Pro) • Save to Files or Photos ▸ FREE • 3 cleans a day, clips up to 60 seconds • Audio and video draw on the same 3 — video is not walled off • Watch the cleaned video in the app; saving it out is Pro • Full A/B preview, player, and cleaned-audio sharing • Ad-supported ▸ PRO • No daily limit — clips up to 10 minutes, and 90 minutes of cleaning a month • Save the cleaned video out as a new MP4 • WAV export • Adjustable cleaning strength, so you can dial back how aggressive it gets • Re-clean up to 10 saved clips in one batch • Share Extension — clean audio straight from the share sheet, processed entirely on your iPhone with nothing uploaded • Zero ads ▸ SUBSCRIPTION Voice Isolation Pro Monthly — $7.99 per month Annual — $39.99 per year, including a 7-day free trial Payment is charged to your Apple ID at confirmation of purchase. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours before that period ends. Manage or cancel anytime in your App Store account settings. Terms of Service: https://voiceisolation.bulpara.com/terms Privacy Policy: https://voiceisolation.bulpara.com/privacy ▸ QUESTIONS support@bulpara.com — we read every message.
Pii
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Pii automatically finds NG words in your videos and covers them with a censor bleep - your personal broadcast-standards department. HOW IT WORKS 1. Pick a video and it's transcribed automatically (entirely on your device) 2. NG words are detected - use the built-in presets, or register your own words 3. Detected words appear as chips. Tap to toggle each bleep on or off and preview instantly 4. Export with zero video quality loss - only the audio track gets the bleeps PERFECT FOR - A final check before posting to social media - Hiding names, places, and anything you'd rather not broadcast - Bleeping everything for comedic effect BLEEP ONLY YOUR WORDS Turn off the presets and keep just your registered words - only what you specify gets bleeped. PRIVACY Transcription and detection run entirely on-device. Your video and audio never leave your phone. No login.
Screenshots
Verdict
Voice Isolation and Pii are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Voice Isolation sells 2 in-app purchases, starting at $4.99 per month and Pii sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | Voice Isolation | Pii |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 weeks | — |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | BULPARA TEKNOLOJI LIMITED SIRKETI | PAKYUN, LIMITED LIABILITY COMPANY |
In-app purchases
Voice Isolation
- Pro Monthly$4.991 Month
- Voice Isolation Pro Annual7 Days trial$29.991 Year
Pii
- Remove Ads$1.99
Questions
Is Voice Isolation free?
Is Pii free?
Do Voice Isolation or Pii have ads?
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