Comparison

PSOFT Audio Player vs Vocal Analyzer Z

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

Head to head
About

PSOFT Audio Player

This music player allows independent adjustment of key, playback speed, and sound extraction with exceptional audio quality. It's ideal for musicians, language learners, and anyone needing to analyze or manipulate audio content.

Highlights
  • Change playback speed
  • Adjust musical key
  • Modify voice characteristics
  • Remove or extract specific sounds
  • Analyze music and display chords
  • Export modified audio (add-on)
Features
Read full description

“Freely manipulate sound with incredibly natural results.” Make the comparison with your own ears. This music player makes it easy to independently change your music's key and playing speed and remove or extract specified sounds, while preserving an overwhelming audio quality that cannot be matched. Recommended for: ・ Musical instrument practice. ・ Making karaoke tracks. ・ Musical transcription. ・ Creating audio tracks for dance practice. ・ Learning foreign languages by listening to podcasts. ・ Efficiently gathering information from podcasts. ・ Audio-typing comfortably. With usual audio equipment, large changes to key and playing speed typically result in a heavy degradation of the audio quality. However, by using our company's “PhaseGear” technology, this app succeeds in reducing audio degradation to its utmost minimum. The result is surprisingly natural-sounding audio. ============== [ Main Features ] ============== ▼ Change playing speed [Time stretch] Change the playing speed without affecting the key (0.00x – 4.00x). ▼ Change key [Pitch shift] Change the key without affecting the playing speed (±24.00 semitones). ▼ Change voice [Formant] Apply changes to voices (±24.00). Includes the [Correction] function which restrains voice alterations caused by changing the key. ▼ Remove / extract sounds [Audio masking] Visualize the audio and remove / pick out sound from a specified band. Obtain exceptional audio quality thanks to a new technology preventing mixing in rhythm sound. * Depending on the musical structure, it might not be possible to obtain the desired results. ▼ Analyze audio and display chords [Musical scale analysis] Analyzes music as it plays and displays the musical scale on a keyboard. Also allows on-screen display of inferred chords. ▼ Output the modified audio [Export (*Add-on)] Output the audio data file with modified key, sound masking, etc. The exported file can also be used with a PC or other device. * This function must be purchased as an add-on. ====================================== ■ Specifications - Play menu - Play / Pause - Skip 15s / Back 15s (*Only available on 4 inch displays) - Fast forward / Rewind - Next song / Previous song - Play position adjustment slider - Play mode - Play all songs - Repeat all songs - Play 1 song - Repeat 1 song - Shuffled play - Shuffled repeat - Share song information - Send the current song info to other apps, share functionality. - Select songs by - Playlist - Song - Artist - Album - Composer - Genre - Compilation - Podcast - Audiobook - Document - Supports background play * Note Contents on iCloud and protected contents not supported. ■ About PhaseGear PhaseGear is our company's audio signal processing engine based on patented technology. It implements high quality time stretch and pitch shift processing as well as superior sound masking. Please refer to the link below for more details about this technology. (*In Japanese) http://www.psoft.co.jp/jp/corporate/technology/phasegear.html * Patent registered in Japan, USA and South Korea.

About

Vocal Analyzer Z

Analyze the pitch of voices and musical instruments in real-time. Visualize pitch with graphs, record audio, and export to MIDI. Ideal for practice, tuning, and music enthusiasts.

Highlights
  • Real-time pitch analysis
  • Pitch graph visualization
  • Audio recording and playback
  • MIDI file export
  • Pitch pipe feature
  • Zoomable keyboard display
Features
Read full description

◎ Newly added conversion output to MIDI file (SMF) and file sharing function. ● A powerful tool for pitch analysis and visualization, suitable for a variety of uses such as karaoke, musical instrument practice, and tuning. ● The real-time pitch analysis feature to analyze the pitch of voices and musical instruments from the sound input from the microphone. ● The multifaceted screen display with a pitch graph that automatically rolls the pitch of the analyzed sound. ● Zoom and scroll the keyboard display using intuitive easy gesture operation to navigate and interact with the application. ● The ability to record audio and play back the file later with the same level of analysis and visualization. ● Import videos and sounds via file sharing and perform pitch analysis on them. ● Loop and jump the recorded or shared files to focus on specific sections of the sound. ● The pitch pipe feature is a convenient way to check the pitch of the sound before singing or playing it. ● Tap the keyboard to hear the pitch, and the pitch name and MIDI note number are displayed on the keyboard where the pitch of the detected sound shines. ● The pitch roll graph feature to zoom the time axis in conjunction with the keyboard display, providing a comprehensive view of the pitch over time. ● A Comprehensive tool for pitch analysis and visualization, suitable for musicians and music enthusiasts alike. ■ Features of the app ・Various and rich screen display ・Screen mode linked to device orientation ・Real-time analysis of microphone input sound ・Recording of microphone input sound ・Playback of recorded files ・Playback loop, playback jump ・Analysis of recorded files ・Play shared files ・Analysis of shared files ・Pitch pipe ・Zoom & scroll keyboard ・Automatic pitch roll graph ・(NEW) Conversion output to MIDI file (SMF) and file sharing ● Display items (real time) ・Pitch roll graph ・Scale meter (pitch name/cent difference) ・Frequency (Hz) ・MIDI note number ・Power spectrum (FFT analysis) ・Oscilloscope ・Microphone input level ・Audio level meter ・Playback progress bar ・Keyboard flash (detected pitch) ● Sound playback ・Audio files (recorded files, shared files) ・Loop playback ・Replay jump ・Pitch pipe (6 types of tones, keyboard tap) ● Precautions ・Please use it for solo singing and instrumental sounds that are not chords. ・It is not suitable for analysis of voices mixed with multiple instruments and voices. ・To prevent howling, the microphone input signal is automatically disabled during pitch pipe or audio file playback.

Screenshots

PSOFT Audio Player4 screens
Vocal Analyzer Z4 screens

Verdict

The call

The clearest difference is in-app purchases: Vocal Analyzer Z at none against PSOFT Audio Player's 1. Vocal Analyzer Z also leads on update cadence (every 9 days vs every 3 months) and review sentiment (100% vs 71%). On ads, monetization model 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

PSOFT Audio Player costs $6.99 and Vocal Analyzer Z $1.99 up front. PSOFT Audio Player sells 1 one-off in-app purchase. Vocal Analyzer Z asks for nothing beyond the download.

UpkeepUpdate frequency

PSOFT Audio Player ships an update every 3 months, Vocal Analyzer Z every 9 days. Both last shipped on October 24, 2026.

Scorecard5 real differences · 5 level
PSOFT Audio Player versus Vocal Analyzer Z: the parameters behind the verdict, then further details
ParameterPSOFT Audio PlayerVocal Analyzer Z
Price$6.99$1.99 — better
Rating4.5 (4 ratings) — better—
Positive reviews71.4% of reviews100.0% of reviews — better
Number of ratings4 — better—
Update frequencyEvery 3 monthsEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaidPaid
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.613.0 — better
Further details — not scored
Size5 MB30 MB
Age rating4+4+
DeveloperPSOFTMasanori Katsuta

Customer experience

PSOFT Audio Player

All ratings4 ratings
Positive75.0%
Neutral25.0%
Negative0.0%
Written reviews28 reviews
Positive71.4%
Neutral7.1%
Negative21.4%

Vocal Analyzer Z

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

PSOFT Audio Player

One-time1
  • Export Add-on$24.99
None

Vocal Analyzer Z

No in-app purchases

Questions

Is PSOFT Audio Player free?
PSOFT Audio Player costs $6.99, and also offers in-app purchases.
Is Vocal Analyzer Z free?
Vocal Analyzer Z costs $1.99, with no in-app purchases.
Do PSOFT Audio Player or Vocal Analyzer Z have ads?
Neither PSOFT Audio Player nor Vocal Analyzer Z shows ads.
Which is updated more often, PSOFT Audio Player or Vocal Analyzer Z?
PSOFT Audio Player ships an update every 3 months, and Vocal Analyzer Z every 9 days. Most recently, PSOFT Audio Player was updated on October 24, 2026 and Vocal Analyzer Z on October 24, 2026.

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