KQ Sampei at App Store analyse

App power index: 100 (based on ranks around App Stores today)
Music
Developer: Ryouta Kira
Price: 0 free
Current version: 1.3.2, last update: 7 months ago
First release : 01 Jun 2022
App size: 15.01 Mb
4.2 ( 6832 ratings )
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Estimation application downloads and cost

> 2.2k
Monthly downloads
~ $ 900
Estimation App Cost


A sampler synthesizer which sound sets can be changed. It is multi-timbral.
Available Sound Set Formats: Sound Font(sf2), Compressed Sound Font(sf3), Downloadable Sound(DLS)

Supports a part of common MIDI messages (GM, GS, XG, MPE).
Includes a MIDI File Player. It supports Standard MIDI Files and RIFF MIDI Files. It also supports multiple ports and loops.

You can customize sound sets with "Modifiers".
In default, a modifier which adds soft pedal function, and GS Custom Controller mod are being applied. You can select "Original" and disable GS Custom Controller if you want.
Supports Audio Unit v3 and Inter-App Audio. You can use this synth as a plugin for another app such as GarageBand, AUM, Cubasis, etc...

Supports Micro-tuning. Place AnaMark TUN files into Tuning folder.

You can use sound sets as long as the device memory allows.
The actual memory limit seems to be around the half of the hardware RAM.
Not that the limit of Audio Unit is much smaller.
You may be able to load sounds over the memory size if you turn on "Load On Demand".
In the developers environment, 4.2 GB of SoundFont could be loaded on an iPhone with 1 GB of memory.

You can play this app with external MIDI devices and Virtual MIDI apps.

URL Scheme: kqsampei://

Includes a sound set, "GeneralUser GS" by S. Christian Collins. I prepared a modifier for this set.
This app developer does not collect any user information other than what is collected by iOS/iPadOS.
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Available in countries
Country Price
Canada 12.99 CAD
China 68 CNY
France 9.99 EUR
Germany 9.99 EUR
Italy 9.99 EUR
Netherlands 9.99 EUR
Portugal 9.99 EUR
Spain 9.99 EUR
UK 9.99 GBP
India 999 INR
Japan 1500 JPY
Korea, Republic Of 14000 KRW
Poland 49.99 PLN
Russia 899 RUB
Turkey 299.99 TRY
USA 9.99 USD
Ukraine 11.99 USD
Available for devices
iPhone5s, iPadAir, iPadAirCellular, iPadMiniRetina, iPadMiniRetinaCellular, iPhone6, iPhone6Plus, iPadAir2, iPadAir2Cellular, iPadMini3, iPadMini3Cellular, iPodTouchSixthGen, iPhone6s, iPhone6sPlus, iPadMini4, iPadMini4Cellular, iPadPro, iPadProCellular, iPadPro97, iPadPro97Cellular, iPhoneSE, iPhone7, iPhone7Plus, iPad611, iPad612, iPad71, iPad72, iPad73, iPad74, iPhone8, iPhone8Plus, iPhoneX, iPad75, iPad76, iPhoneXS, iPhoneXSMax, iPhoneXR, iPad812, iPad834, iPad856, iPad878, iPadMini5, iPadMini5Cellular, iPadAir3, iPadAir3Cellular, iPodTouchSeventhGen, iPhone11, iPhone11Pro, iPadSeventhGen, iPadSeventhGenCellular, iPhone11ProMax, iPhoneSESecondGen, iPadProSecondGen, iPadProSecondGenCellular, iPadProFourthGen, iPadProFourthGenCellular,

Latest version KQ Sampei: 1.3.2

Small fixes.

Apps Changes History:
  • 7 months ago: New App Version 1.2 ☛ 1.3.2