Comparison

Soniq Viewer vs PSOFT Audio Player

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

Head to head
About

Soniq Viewer

This app visualizes sound frequencies using your device's microphone. It displays the pitch of your voice and music on an equally-tempered musical scale, with adjustable input sensitivity and up to 60 frames per second.

Highlights
  • Frequency spectrum visualization
  • Microphone audio input
  • Pitch detection
  • Equally-tempered musical scale display
  • Adjustable input sensitivity
  • High frame rate display (up to 60 fps)
Features
Read full description

Soniq Viewer is a frequency spectrum visualizer. It uses a microphone to pick up audio to draw. You can easily see the pitch of your voice. ================================================== * To play and visualize the music in iPod Library, use "Soniq Player". * Requires a microphone(built-in mic or earphones with mic). ================================================== Features - Spectrum is displayed relative to an equally-tempered musical frequency scale. - Supports input sensitivity setting. - Spectrum is displayed up to 60 frames per seconds.

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.

Screenshots

Soniq Viewer2 screens
PSOFT Audio Player4 screens

Verdict

The call

The clearest difference is rating: Soniq Viewer at 5.0 against PSOFT Audio Player's 4.5. Soniq Viewer also leads on in-app purchases (none vs 1) and review sentiment (100% vs 71%). PSOFT Audio Player's advantage is update cadence (every 3 months vs every 20 months) and ratings volume (4 vs 1). On ads, monetization model, device support and iOS requirement 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

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

ReceptionRating · Positive reviews · Number of ratings

Soniq Viewer holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews point the same way: 100% of Soniq Viewer's written reviews are positive against 71% of PSOFT Audio Player's.

UpkeepUpdate frequency

Soniq Viewer ships an update every 20 months, PSOFT Audio Player every 3 months. The most recent releases landed on October 23, 2026 and October 28, 2026 respectively.

Scorecard6 real differences · 4 level
Soniq Viewer versus PSOFT Audio Player: the parameters behind the verdict, then further details
ParameterSoniq ViewerPSOFT Audio Player
Price$1.99 — better$6.99
Rating5.0 (1 ratings) — better4.5 (4 ratings)
Positive reviews100.0% of reviews — better71.4% of reviews
Number of ratings14 — better
Update frequencyEvery 20 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.6
Further details — not scored
Size1 MB5 MB
Age rating4+4+
DeveloperYuji KoikePSOFT

Customer experience

Soniq Viewer

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

PSOFT Audio Player

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

In-app purchases

None

Soniq Viewer

No in-app purchases

1 purchases

PSOFT Audio Player

One-time1
  • Export Add-on$24.99

Questions

Is Soniq Viewer free?
Soniq Viewer costs $1.99, with no in-app purchases.
Is PSOFT Audio Player free?
PSOFT Audio Player costs $6.99, and also offers in-app purchases.
Which has better reviews, Soniq Viewer or PSOFT Audio Player?
Soniq Viewer is rated higher. Soniq Viewer averages 5.0 out of 5 from 1 ratings, while PSOFT Audio Player averages 4.5 from 4 ratings.
Do Soniq Viewer or PSOFT Audio Player have ads?
Neither Soniq Viewer nor PSOFT Audio Player shows ads.
Which is updated more often, Soniq Viewer or PSOFT Audio Player?
Soniq Viewer ships an update every 20 months, and PSOFT Audio Player every 3 months. Most recently, Soniq Viewer was updated on October 23, 2026 and PSOFT Audio Player on October 28, 2026.

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