Comparison

PSOFT Audio Player vs TabNavi Guitar

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
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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.

About

TabNavi Guitar

Features
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ギターの練習に挫折しそうになっているあなた。 弾きたい楽曲をあきらめそうになっているあなた。 ギターの楽しさを感じられずにいるあなた。 そんなギタープレイヤーの練習や、ギターの楽しさの再発見を手助けするのがTabNavi Guitarです! 「TabNaviMode」と「ChordNavi Mode」の2大機能で、あなたのギターライフを次のステージにステップアップさせます! 本アプリの「TabNavi(タブナビ) Mode」では、アプリで読み込んだTAB譜ファイル(GuitarPro形式)を再生しながら譜面進行を表示し演奏をナビゲートします。 譜面読みが苦手な方でも正確なリズムでの練習が可能に! さらに、再生スピードの調整機能や任意区間のリピート機能で、プレイヤーのレベルに合った練習を可能にします。 アプリ単体での使用も可能ですが、別売りの液晶(LCD)指板ギターの「TabNavi Guitar」とBluetooth通信にて連動させれば、LCD指板上で押弦位置を直接ナビゲートします。 直感的なTAB譜練習が可能となり、指板と譜面を何度も見比べるわずらわしさを無くし、イライラだらけのギター練習からあなたを解放します。 一方の「ChordNavi(コードナビ) Mode」では、好きな楽曲のコードプレイを気軽に楽しむことができます。 YouTube等にアップされている楽曲や、スマートフォン内に保存したMP3形式の楽曲のコード進行を解析し※楽曲を再生すると同時に、コードフォームをアプリ画面やLCD指板ギターに表示することで、スムーズなコードプレイをナビゲートします。 たとえ初めて聞く曲でもいきなりコードプレイが可能に! 一人でゆっくりと好きな曲を楽しみたい時に、仲間で集まって楽しく歌う曲に合わせて伴奏したい時に、誰かの好きな曲を弾いてあげたい時に... いろんなライフシーンで気軽にギターを楽しむことができるようになります。 いろんな曲のコード演奏を楽しむことで知らないうちにコードフォームやコードチェンジの練習ができ、気が付けば自分の上達に気が付くことでしょう。 (※原曲のコードを正しく再現できない場合があります) あきらめかけていた曲を弾けるようになる... 知らない曲でも即興でコード伴奏を楽しめる... ギタープレイヤーが望むプレイを実現し、ギターの楽しさを再発見する。 それが「TabNavi Guitar」です。 ・「TabNaviMode」ではオープンソースソフトウェア「AlphaTab」のライブラリを使用しています。 ・「ChordNavi Mode」は本アプリの追加サービス機能として搭載しており、産業技術総合研究所にて開発された「能動的音楽鑑賞サービスSongle」のAPIを利用承諾の元利用しています。 Songleは学術研究の一環として開発されており、都合によりサービスが停止・終了する可能性があります。それに伴い、「ChordNavi Mode」の機能も停止・終了する場合がありますのであらかじめご了承お願い致します。

Screenshots

PSOFT Audio Player4 screens
TabNavi Guitar4 screens

Verdict

The call

The clearest difference is price: TabNavi Guitar at Free against PSOFT Audio Player's $6.99. TabNavi Guitar also leads on in-app purchases (none vs 1) and iOS requirement (13.0 vs 15.6). PSOFT Audio Player's advantage is update cadence (every 3 months vs every 10 months). On ads 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

TabNavi Guitar is free to download; PSOFT Audio Player costs $6.99 up front. PSOFT Audio Player sells 1 one-off in-app purchase. TabNavi Guitar asks for nothing beyond the download.

UpkeepUpdate frequency

PSOFT Audio Player ships an update every 3 months, TabNavi Guitar every 10 months. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 6 level
PSOFT Audio Player versus TabNavi Guitar: the parameters behind the verdict, then further details
ParameterPSOFT Audio PlayerTabNavi Guitar
Price$6.99Free — better
Rating4.5 (4 ratings) — better—
Positive reviews71.4% of reviews—
Number of ratings4 — better—
Update frequencyEvery 3 months — betterEvery 10 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaid—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.613.0 — better
Further details — not scored
Size5 MB19 MB
Age rating4+17+
DeveloperPSOFTTETSUYA NISHI

In-app purchases

1 purchases

PSOFT Audio Player

One-time1
  • Export Add-on$24.99
None

TabNavi Guitar

No in-app purchases

Questions

Is PSOFT Audio Player free?
PSOFT Audio Player costs $6.99, and also offers in-app purchases.
Is TabNavi Guitar free?
TabNavi Guitar is free to download, with no in-app purchases.
Do PSOFT Audio Player or TabNavi Guitar have ads?
Neither PSOFT Audio Player nor TabNavi Guitar shows ads.
Which is updated more often, PSOFT Audio Player or TabNavi Guitar?
PSOFT Audio Player ships an update every 3 months, and TabNavi Guitar every 10 months. Most recently, PSOFT Audio Player was updated on November 6, 2026 and TabNavi Guitar on November 4, 2026.

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