Extrack: Stem Separator,Chord

🇺🇸 United States
Yamaha Corporation  | 
45
ASO score
Text
62/100
Reviews
50/100
Graphic
18/100
Other
0/100
rating
App Rating
4.3
rating
Votes
178
rating
App Age
8m 27d
rating
Last Update
Nov 12, 2025
rating
iAP
$6.99 - 49.99

Compare with Category Top Apps

Metrics
Current App
Category Top Average
Difference
Rating
4.31
4.56
-5%
Number of Ratings (Voted)
178
579.2K
-100%
App Age
0y 9m
7y 11m
-91%
In-app Purchases Price
$23
$41
-44 %
Update Frequency
100d
31d
+218%
Title Length
29
26
+12%
Subtitle Length
28
27
+4%
Description Length
2 791
2 727
+2%
Number of Screenshots
90
1256
-93 %
Size
670MB
219MB
+206 %

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Text ASO

Title (
Characters: 29 of 30
)
Extrack: Stem Separator,Chord
Subtitle (
Characters: 28 of 30
)
Play in the band - by Yamaha
Description (
Characters: 2791 of 4000
)
You'll feel like you're playing with the actual artists! ・When you load a song from your smart device, the app breaks it down into each instrument part. You can adjust the volume of each part as you like. ・Extrack breaks down the song into vocal, guitar, piano, bass, drum, and wind instrument parts, allowing you to take out the part you want and play along. ・The app analyzes the chords of the song, and shows the chord progression and where to place your fingers for guitar and piano. ・It comes with plenty of convenient functions: change the tempo (speed of the song) or key, repeat certain parts, and more. It's easy to use, even for beginners. Note: The basic functions can be used free of charge for an unlimited time. Purchase a subscription to unlock a wider range of functions. ■Extrack makes practicing an instrument even more fun. Play in the band with your favorite artist, with the first song you fell in love, with the song you always hear in town, with an old favorite on Extrack. Play along with your favorite song. You'll feel like you’re the artist! ■Feel like you're playing in the band! Load a song from your smart device into Extrack and it will break it down into the instrument parts. You can adjust the volume of each part (or “stem”) as you like, whether it's guitar, drums, bass, piano, or sax or other wind instrument. If you're a guitarist, mute the volume of every part except guitar to practice playing by ear down to the most detailed phrase. Then mute just the guitar and play the phrases you listened to along with the other instruments. It will feel like you’re playing a session as a member of the band. Alternatively, turn up the drums and bass to work on improving your sense of rhythm. You can also take out the vocals and sing karaoke along with the original band performance. ■Easily play your favorite song! Extrack automatically analyzes and displays chord progressions. Even if you're not good at playing by ear, you can easily play a session while looking at the chords. The app also displays how to play the chords on guitar and piano (or keyboard), so even beginners who can't read music can play along. You can start playing with the music right away. If the song you want to play is full of difficult chords, you can use the key change and capo functions to make it easier to play. ■Get serious about practicing phrases you haven’t been able to play! Want to play a single phrase over and over or take your time practicing a song at a slower tempo? Extrack is the ideal partner to help you. You can easily set which parts you want to repeat, skip a bar, or change the speed. There is even a metronome that automatically matches the tempo of the song. Extrack will help you when you want to get serious about practicing timing and rhythm.}
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Visual ASO

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Rating & Reviews

Reviews Overview
🧐 Coming Soon…
Rating
4.3
178 voters

Some Latest Reviews

DufusDude
11 Dec, 2025
1
I keep hoping this will work, but it almost always crashes when I play a local file
ハバロ
28 Nov, 2025
2
ボーカルレス(カラオケ)にできるのはいいけど、基本的にドラム・ベース・ボーカル・その他の分離になり、その他に含まれるギターを分離するには課金しないといけないようです。しかも曲によってはベースが分離しない場合があり微妙な作りのアプリですね。 あとコードはあまり合ってなくてYAMAHAにしては荒いです。
KC4LRR
08 Nov, 2025
5
Been trying the free version. It works well. I will download the full trial next. I have been a Chord Tracker user for years.
univibeandwah68
08 Nov, 2025
5
Yes, there are tools already, that do the same thing. If you have got a DAW (digital audio workstation)with plugins, you will be able to seperate tracks, timestretching, pitching, looping. But this app is very comfortable and it sounds good. And you don’t need a desktop or laptop computer anymore. The free version is very useful. Check it out using an old Al di Meola track called the wizzard.
AndyL1970
08 Oct, 2025
2
Good idea in principle but appears to have been rushed to market as an MVP with multiple UX flaws and functional challenges. Examples: 1, UX is clearly built for phone - looks very poor on iPad. 2, annoying things like keeps reverting to guitar chords instead of remembering my choice, 3, stem model isn’t great - not as good as others, 4, unless you are using something like an M4 then I expect split times to be painful… 5, could really benefit with midi integration to (Yamaha) keyboards. Anyway enough of me doing the Product Owner’s job…. Hopefully future releases will improve the product’s quality
Raus111
06 Oct, 2025
1
Despite following instructions, deleting then re-downloading songs etc from iTunes, I still can’t get purchased (and downloaded) iTunes songs to open in Extrack on my iPad so of no help to me☹️
西東京音楽隊
27 Aug, 2025
3
トラックマイナス機能は便利に使えています。 ただ、バラード曲でカウントを入れると倍テンポの八分裏になったり、曲中のクリックも同様な動作になります。 クリックが不安定に鳴る(シンコペーション)場合も有ります。 曲調に合ったカウントやクリックに改良して頂きたい。 それが改良されたら5点満点です。 例:ダンシングオールナイト BPM75位ですが、Extrackに取り込むとBPM150の裏拍でカウントやクリックが入ります。 よろしくお願い致します。
ron_ST
04 Jun, 2025
2
LOGICに比べると分離が甘い、音質も悪い(くぐもった、水の中にいるような音になる) 有料版を購入しようとは今の段階では思わない コード進行も結構合ってるけど、所々間違ってる 今後に期待
xexe様
13 May, 2025
2
残念ながら同様のmoisesと比較すると、肝心の楽器分離、コードトレース等の機能を含めまだまだな感じです。 あと、曲の削除ができません。

Other

Additional Information
Rating:
4.32
Voted: 178
App Store Link:
Website:
Email: -
Privacy Policy:
Categories: Music
Size: 669MB
iAP: 6.99 - 49.99 $
App Age: 8 months 27 days
Release Date: Mar 17, 2025
Last Update: Nov 12, 2025
Version: 1.1.1
Version history
1.1.1
Nov 12, 2025
・Improved fingering notation for certain guitar chords. ・Supported iOS 26. ・Minor bug fixes and improvements.
1.1.0
Aug 31, 2025
・Improved the UI for tempo control. ・Tempo control can be adjusted to two decimal places with a subscription. ・Added a Frequently Asked Questions (FAQ) section. ・Improved the tutorial experience for smoother interaction. ・Added a subscription feature following the end of the free Extrack Pass campaign. ・Fixed minor bugs.

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Version history