Soniq Viewer vs PSOFT Audio Player
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Frequency spectrum visualization
- Microphone audio input
- Pitch detection
- Equally-tempered musical scale display
- Adjustable input sensitivity
- High frame rate display (up to 60 fps)
Read full descriptionHide 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.
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.
- Change playback speed
- Adjust musical key
- Modify voice characteristics
- Remove or extract specific sounds
- Analyze music and display chords
- Export modified audio (add-on)
Read full descriptionHide 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
Verdict
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
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.
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.
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.
| Parameter | Soniq Viewer | PSOFT Audio Player |
|---|---|---|
| Price | $1.99 — better | $6.99 |
| Rating | 5.0 (1 ratings) — better | 4.5 (4 ratings) |
| Positive reviews | 100.0% of reviews — better | 71.4% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 20 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 1 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Yuji Koike | PSOFT |
Customer experience
Soniq Viewer
PSOFT Audio Player
In-app purchases
Soniq Viewer
No in-app purchases
PSOFT Audio Player
- Export Add-on$24.99
Questions
Is Soniq Viewer free?
Is PSOFT Audio Player free?
Which has better reviews, Soniq Viewer or PSOFT Audio Player?
Do Soniq Viewer or PSOFT Audio Player have ads?
Which is updated more often, Soniq Viewer or PSOFT Audio Player?
Other comparisons















