Comparison

Audio Unit Player vs CopyPlayMaster

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

CopyPlayMaster

Features
Read full description

If you want to do copy playing, this App! You can do not only music dictation but also practice higher quality playing! ■ Main function - To select a song that comes to iPod library - Waveform Display - Loop playback - Silent Area (see below) - To save the exercise file - Speed change (50% to 200%) ■ Key of progress "Silent Area" When you copy a song, and I think you have to practice while flowing the sound source? Do not you think you were able to copy it to play to as sound source? Do not you think you were able to keep the rhythm? Therefore, the "Silent Area" function will help your copy play. By making a section that becomes the silence in the song, you can confirm "your own playing sound" and "rhythm keep". Your playing will become higher quality. ■ Other uses - To listen to the recorded meeting contents and lectures - Practice of reciting using a silent area - It can also be used in English listening

Screenshots

Audio Unit Player3 screens
CopyPlayMaster4 screens

Verdict

The call

The clearest difference is ads: CopyPlayMaster at none against Audio Unit Player's shown. CopyPlayMaster also leads on iOS requirement (7.0 vs 17.0). On price, in-app purchases 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 and CopyPlayMaster sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences · 8 level
Audio Unit Player versus CopyPlayMaster: the parameters behind the verdict, then further details
ParameterAudio Unit PlayerCopyPlayMaster
PriceFreeFree
Rating3.9 (30 ratings) — better
Positive reviews66.7% of reviews
Number of ratings30 — better
Update frequencyEvery 2 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationPaid
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.07.0 — better
Further details — not scored
Size5 MB2 MB
Age rating4+4+
DeveloperLoop-Sessions.LLC.CUBIC, K.K.

In-app purchases

1 purchases

Audio Unit Player

One-time1
  • Always remove banner ads.$3.99
4 purchases

CopyPlayMaster

One-time4
  • Remove Ad Banner$0.99
  • Add Silent Area$0.99
  • Add Save Slot$0.99
Show 1 more
  • Enable Speed Change$1.99

Questions

Is Audio Unit Player free?
Audio Unit Player is free to download, with in-app purchases available.
Is CopyPlayMaster free?
CopyPlayMaster is free to download, with in-app purchases available.
Do Audio Unit Player or CopyPlayMaster have ads?
Audio Unit Player shows ads; CopyPlayMaster does not.

Other comparisons