PSOFT Audio Player vs DrumTrainer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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)
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“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.
DrumTrainer
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ドラムをスマホで本格練習。 DrumApp は、タップ操作でドラム練習ができる音ゲー型トレーニングアプリです。 リズム感・タイミング精度・フィルインの練習を、直感的なUIで効率よく鍛えられます。 ■ 主な機能 ・練習モード 好きなパッドを自由に叩けるフリープレイモード。 ・レッスンモード 流れてくるノーツに合わせて演奏するトレーニングモード。 スコア記録・ハイスコア保存対応。 ・リッスンモード 正しい演奏例を自動再生。譜面確認や事前学習に最適。 ・録音モード 自分の演奏を譜面化。 ・作成モード オリジナル譜面を作成し、レッスンとして使用可能。 MIDI書き出し対応。
Screenshots
Verdict
The clearest difference is price: DrumTrainer at Free against PSOFT Audio Player's $6.99. DrumTrainer also leads on update cadence (every 2 weeks vs every 2 months). PSOFT Audio Player's advantage is iOS requirement (15.6 vs 18.6). On ads, 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
DrumTrainer is free to download; PSOFT Audio Player costs $6.99 up front. PSOFT Audio Player sells 1 one-off in-app purchase and DrumTrainer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
PSOFT Audio Player ships an update every 2 months, DrumTrainer every 2 weeks. The most recent releases landed on September 27, 2026 and September 14, 2026 respectively.
| Parameter | PSOFT Audio Player | DrumTrainer |
|---|---|---|
| Price | $6.99 | Free — better |
| Rating | 3.5 (4 ratings) — better | — |
| Positive reviews | 69.2% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 — better | 18.6 |
| Further details — not scored | ||
| Size | 5 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | PSOFT | koyo kuze |
In-app purchases
PSOFT Audio Player
- Export Add-on$24.99
DrumTrainer
- フルキット解放$2.99









