Comparison

Audio Unit Player vs Sound Targets

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

Head to head
About

Audio Unit Player

This music player offers real-time audio processing, including time stretching, pitch shifting, and a 31-band equalizer. It supports AUv3 effects and allows for A-B loop playback, making it ideal for practice, transcription, and performance adjustments.

Highlights
  • Real-time time stretch (50-200%)
  • Real-time pitch shift (-12 to +12 semitones)
  • 31-band equalizer with presets
  • AUv3 effects support
  • A-B loop playback
  • Background playback
  • Audio file export
Read full description

This app is a music player that can process the following effects in real time. - Time stretch (0.5-2.0 double speed) - Pitch shift (-1 ~ +1 octave) - 31 band equalizer - Reverb - AUv3 (Audio Unit v3) host [Use cases] - Karaoke's training. (Can be changed speed units of 10%, pitch shift in semitones easily) - Can playback at reduced tempo to copy phrase for guitar or bass, the keyboard instrument. - Can playback by changing the pitch to play by changing the key in the band performance (Developer himself has experience). [Function] - Perform time stretch (50 - 200%) / pitch shift (-12 - +12) in real time. - 31 bands EQ (Hz: 20, 25, 31.5, 40, 50, 63, 80, 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1k, 1.25k, 1.6k, 2k, 2.5k, 3.15k, 4k, 5k, 6.3k, 8k, 10k, 12.5k, 16k, 20k). - EQ preset (Abundant Built-in Presets / Custom Presets). - Reverb: Adjustable decay time (Low freq, High freq) / 13 presets - Reverb preset (Built-in Presets / Custom Presets) - Can be used as an AUv3 host. - A-B loop playback. - Center Cancel / Center Emphasis. - Lch, Rch each mute. - Quick fast forward, rewind (specify the number of seconds). - Check and set current position graphically in wave view. - Supports Auto-Lock ON/OFF. - Supports background playback. - Supports export (file writing) function (Each effect (speed/pitch/EQ) value set for each song is also reflected. The range specified in the loop section is output.) In addition to loading "music" data included in the standard music app, it also supports the function to import audio files from other apps ("Voice Memos" etc.). [How to import from "Voice Memos"] 1. Start the app "Voice Memos" and tap the mark "..." of the file to be imported from the list. 2. Tap "Share" on the sheet displayed from the bottom. 3. Tap "More" found by scrolling the displayed list of sharing destination apps to the right. 4. Select "AU Player" if available. The file is copied to this app. ================================================ [Note 1] This application will not be able to read songs of the following formats. - Songs from Apple Music, iCloud, iTunes Match - Songs that are protected by digital copyright (DRM) [Note 2] Depending on the state of your device, your custom AUv3 effects may not appear in the list. As a solution, you can solve the problem by starting "GarageBand" once and restarting this app. ================================================

About

Sound Targets

This app allows you to remotely control audio recording and playback between your Apple Watch and iPhone. Use your watch to trigger recordings, play sounds, or even locate your phone. It's also useful for creating custom soundboards and voice reminders.

Highlights
  • Remote recording via Apple Watch
  • Audio playback on iPhone
  • Trigger sound effects
  • Locate misplaced iPhone
  • Create digital soundboard
  • Voice reminders
Features
Read full description

Sound Targets gives you a quick way to remotely trigger recordings from or record directly on your Apple Watch, record and playback audio on your iPhone, and share all of your sounds to SoundCloud® or other social media. This app allows you to record and play back sounds remotely on your iPhone using your Apple Watch over short distances. - Record audio from a different room using your iPhone's microphone by tapping a button on your watch. - Record audio using your watch and playback the audio on your iPhone's speaker. - Trigger recordings, SoundCloud Tracks or sound effects to play back on your phone's speaker by tapping a button on your watch. - Quickly locate your phone across the house if you misplaced it. - Play voice reminders for your friends or colleagues while you're out of the room or away from your desk. - Create a lightweight digital soundboard. - Record and playback audio reminders for yourself. The current version of Sound Targets provides the ability to record up to nine custom or predefined sounds.

Screenshots

Audio Unit Player3 screens
Sound Targets3 screens

Verdict

The call

The clearest difference is in-app purchases: Sound Targets at none against Audio Unit Player's 1. Sound Targets also leads on ads (none vs shown) and review sentiment (75% vs 67%). Audio Unit Player's advantage is ratings volume (32 vs 6). On price, rating, update cadence and device support 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. Audio Unit Player sells 1 one-off in-app purchase. Sound Targets asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 3.9 for Audio Unit Player against 4.0 for Sound Targets. That said, the two scores are not equally well evidenced: Audio Unit Player has 32 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 67% of Audio Unit Player's written reviews are positive against 75% of Sound Targets's.

UpkeepUpdate frequency

Audio Unit Player ships an update every 2 weeks, Sound Targets every 3 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
Audio Unit Player versus Sound Targets: the parameters behind the verdict, then further details
ParameterAudio Unit PlayerSound Targets
PriceFreeFree
Rating3.9 (32 ratings)4.0 (6 ratings) — better
Positive reviews66.7% of reviews75.0% of reviews — better
Number of ratings32 — better6
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationPaidFree — better
DevicesiPhone, iPadiPhone, iPod, Apple Watch — better
Requires iOS17.08.2 — better
Further details — not scored
Size5 MB44 MB
Age rating4+4+
DeveloperLoop-Sessions.LLC.Kitten Monster LLC

Customer experience

Audio Unit Player

All ratings30 ratings
Positive70.0%
Neutral6.7%
Negative23.3%
Written reviews48 reviews
Positive66.7%
Neutral4.2%
Negative29.2%

Sound Targets

All ratings6 ratings
Positive66.7%
Neutral16.7%
Negative16.7%
Written reviews8 reviews
Positive75.0%
Neutral12.5%
Negative12.5%

In-app purchases

1 purchases

Audio Unit Player

One-time1
  • Always remove banner ads.$3.99
None

Sound Targets

No in-app purchases

Questions

Is Audio Unit Player free?
Audio Unit Player is free to download, with in-app purchases available.
Is Sound Targets free?
Sound Targets is free to download, with no in-app purchases.
Which has better reviews, Audio Unit Player or Sound Targets?
Sound Targets is rated higher. Audio Unit Player averages 3.9 out of 5 from 32 ratings, while Sound Targets averages 4.0 from 6 ratings.
Do Audio Unit Player or Sound Targets have ads?
Audio Unit Player shows ads; Sound Targets does not.
Which is updated more often, Audio Unit Player or Sound Targets?
Audio Unit Player ships an update every 2 weeks, and Sound Targets every 3 weeks. Most recently, Audio Unit Player was updated on October 23, 2026 and Sound Targets on October 24, 2026.

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