DeltaBoard Sound

The SoundBoard of the new Undertale game is here!

K2C5 · com.k2c5.deltaboard

4.0 out of 5 (1 rating) 50K+ downloads v11.0 77.7 MB Android 6.0+ PEGI 3 · Everyone

Download APK 77.7 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v11.0 (11)
Updated: Aug 15, 2026 (2 months ago)
APK size: 77.7 MB
Requires: Android 6.0+ (API 23)
CPU support: Any (no native code)
Category: Entertainment (app)
Listed since: Mar 2, 2021 (at least)
Permissions: 11 (1 sensitive)
Developer contact: [email protected]

About this APK

DeltaBoard Sound is an app by K2C5 in the Entertainment category, listed since at least March 2021. It has no native code, so it runs on any Android processor.

Since version 10.0, the minimum Android version rose from 4.4 to 6.0. It asks for 11 permissions, 1 of them sensitive: write settings. Compared with version 10.0, it adds 3 new permissions (“Access adservices ad id”, “Access adservices attribution” and “Access adservices topics”) and drops 2 (“Run at startup” and “Modify shared storage”). The app can read the advertising ID that ad and analytics services use.

What's new in v11.0

Adaptation to newer Andoid versions and internal improvements.

Description

From the listing uploaded by “appupdater”.

Enjoy the best sounds and songs of the new game from the creator of Undertale, DeltaRune! Share the sounds you like most with friends and put them as a ringtone. Many improvements and a wide collection of sounds soon! Undertale ™ Delta Rune ™ ®2015 Royal Sciences, LLC. All rights reserved. Undertale is a trademark or registered trademark of Royal Sciences, LLC. in the U.S. and/or other countries.

Version history

2 versions are listed, going back to v10.0. Since v11.0 it requires Android 6.0+.

v11.0 LATEST Aug 15, 2026 77.7 MB TRUSTED v10.0 Jun 13, 2024 73.7 MB TRUSTED

All 2 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Aug 15, 2026.
Certificate issued to “K2C5” This is the certificate of the Google Play version.
Same certificate as the other version checked

Store checks and file details

Developer signature verified Aug 15, 2026
Validated against Google Play Aug 15, 2026
Signed byCN=Joaquim Fores, O=K2C5, L=El Vendrell, ST=Tarragona, C=34
Signing certificate (SHA-1)3F:9D:4F:2C:A1:9E:2D:03:A6:92:84:C9:74:43:3F:34:96:6D:AC:D2
File MD5dba2a318d6a4faf56bf6a4a04cb59d3b
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (11)

DeltaBoard Sound requests 11 permissions, 1 of them sensitive.

Write settings Sensitive android.permission.WRITE_SETTINGS
Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
Advertising ID com.google.android.gms.permission.AD_ID
Full network access android.permission.INTERNET
Internal broadcast protection (app-defined) com.k2c5.deltaboard.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Modify audio settings android.permission.MODIFY_AUDIO_SETTINGS
Prevent the device from sleeping android.permission.WAKE_LOCK
Run foreground services android.permission.FOREGROUND_SERVICE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch

DeltaBoard Sound APK: questions and answers

Is there a version of DeltaBoard Sound for older Android phones?

The current version needs Android 6.0 or later. Version 10.0 is the newest listed build that installs on Android 4.4 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 10.0 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the DeltaBoard Sound APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the other version checked. After downloading, check that the file's MD5 is dba2a318d6a4faf56bf6a4a04cb59d3b.