Comparison

hêrtz vs Vocal Remover, Audio Extractor

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

hêrtz

This simple pitch pipe app offers a four-octave range for musicians. It's designed for ease of use, inspired by the needs of vocal performance students. Feedback is welcomed through various developer channels.

Highlights
  • Four octave range
  • Simple pitch pipe functionality
  • Designed for musicians
  • Feedback channels available
Features
Read full description

A simple pitch pipe app with a four octave range. I was inspired to make this by a friend of mine who is majoring in Voice and Opera in college. As always, feedback is appreciated. Feel free to leave feedback on my YouTube channel, my GitHub, or on my App Store page as a review.

About

Vocal Remover, Audio Extractor

This app uses AI to remove vocals and instruments from songs and videos. It also allows for audio extraction, conversion between formats, and precise audio trimming. Create karaoke tracks, remix music, and edit audio files with ease.

Highlights
  • AI-driven vocal and instrument removal
  • Extract audio from videos
  • Convert audio to MP3 and other formats
  • Trim and cut audio files precisely
  • Merge audio files
  • Create karaoke tracks
Features
Read full description

Remove vocals from any song, split music into stems and clean up noisy recordings — everything you need for audio in one simple app. - VOCAL REMOVER & KARAOKE MAKER Remove vocals from songs in seconds and get a clean instrumental or karaoke backing track. Or do the opposite — remove the music and keep a pure acapella. Works with songs from your phone or from a link. - STEM SPLITTER — 2, 4 OR 5 STEMS Split songs into separate tracks with AI stem separation: • 2 stems — vocals + instrumental • 4 stems — vocals, drums, bass, other • 5 stems — vocals, drums, bass, piano, other Play each stem on its own, mix them back together and download only the parts you need. A vocal extractor and music separator for covers, remixes and practice. - NOISE REDUCER Remove background noise from audio and video — voice memos, interviews, podcasts, lectures. Voice isolation makes speech clear in one tap. - SPEECH TO TEXT Transcribe audio and video to text. Copy the transcript in one tap; every transcription is saved in history. - AUDIO TOOLS • Audio Converter — MP3, WAV, M4A and more • Cut Audio — trim songs and recordings precisely • Merge Audio — join several files into one track • Video to Audio — extract sound from any video • Voice Recorder — record high-quality audio • Sing over a backing track and record your own cover - ONE LIBRARY FOR EVERYTHING Rename, share, save to your device or delete results. Quick search across all your files. PERFECT FOR • Singers & karaoke lovers — backing tracks and acapellas • Musicians & DJs — isolate drums, bass or piano • Creators & podcasters — clean audio, sound from video • Students — transcribe lectures and voice notes Download Revoicers — vocal remover, stem splitter and noise reducer in your pocket. FREE & PREMIUM Free: Up to 3 minutes and 100 MB per file; merge up to 2 audio files. Premium: Up to 10 minutes and 300 MB per file; priority processing with no standard queue; ad-free; 5-stem separation; merge up to 5 audio files. Terms of Use: https://revoicers.com/terms/ Privacy Policy: https://revoicers.com/privacy/

Screenshots

hêrtz3 screens
Vocal Remover, Audio Extractor4 screens

Verdict

The call

The clearest difference is rating: Vocal Remover, Audio Extractor at 4.0 against hêrtz's 3.0. hêrtz's advantage is in-app purchases (none vs 3) and update cadence (weekly vs monthly). On price, review sentiment, ratings volume and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Vocal Remover, Audio Extractor sells 3 in-app purchases, starting at $1.99 per 7 days. hêrtz asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Vocal Remover, Audio Extractor holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 4 and 9 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

UpkeepUpdate frequency

hêrtz ships an update weekly, Vocal Remover, Audio Extractor monthly. The most recent releases landed on October 29, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
hêrtz versus Vocal Remover, Audio Extractor: the parameters behind the verdict, then further details
ParameterhêrtzVocal Remover, Audio Extractor
PriceFreeFree
Rating3.0 (4 ratings)4.0 (9 ratings) — better
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings49 — better
Update frequencyWeekly — betterMonthly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.1 — better15.1
Further details — not scored
Size10 MB69 MB
Age rating4+4+
DeveloperCameron KrischelSerhii Yehorov

Customer experience

hêrtz

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Vocal Remover, Audio Extractor

All ratings9 ratings
Positive77.8%
Neutral0.0%
Negative22.2%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

hêrtz

No in-app purchases

3 purchases

Vocal Remover, Audio Extractor

Subscriptions3
  • Weekly subscription$1.997 Days
  • Monthly subscription$2.991 Month
  • Annual subscription$24.991 Year

Questions

Is hêrtz free?
hêrtz is free to download, with no in-app purchases.
Is Vocal Remover, Audio Extractor free?
Vocal Remover, Audio Extractor is free to download, with in-app purchases available.
Which has better reviews, hêrtz or Vocal Remover, Audio Extractor?
Vocal Remover, Audio Extractor is rated higher. hêrtz averages 3.0 out of 5 from 4 ratings, while Vocal Remover, Audio Extractor averages 4.0 from 9 ratings.
Do hêrtz or Vocal Remover, Audio Extractor have ads?
Neither hêrtz nor Vocal Remover, Audio Extractor shows ads.
Which is updated more often, hêrtz or Vocal Remover, Audio Extractor?
hêrtz ships an update weekly, and Vocal Remover, Audio Extractor monthly. Most recently, hêrtz was updated on October 29, 2026 and Vocal Remover, Audio Extractor on November 3, 2026.

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