Bass Tuner BT1

Tune any bass instrument - bass guitar, bassoon, bass clarinet, trombone etc.

JSplash Apps · com.jsplash.basstuner

Not rated yet 50K+ downloads v1.28 22.9 MB Android 5.0+ PEGI 3 · Everyone

Download APK 22.9 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v1.28 (32)
Updated: Nov 13, 2025 (11 months ago)
APK size: 22.9 MB
Requires: Android 5.0+ (API 21)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Music & Audio (app)
Listed since: Aug 30, 2021 (at least)
Permissions: 14 (1 sensitive)
Website: jsplash.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Bass Tuner BT1 is an app by JSplash Apps in the Music & Audio category, listed since at least August 2021. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 1.19, the APK grew from 7.1 MB to 22.9 MB and the minimum Android version rose from 4.4 to 5.0. It asks for 14 permissions, 1 of them sensitive: record audio. It asks for the same permissions as version 1.27. The app offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.

What's new in v1.28

This version includes security and framework updates.

Description

From the listing uploaded by “appupdater”.

Bass Tuner BT1 is a specialized instrument tuner optimized for tuning low-frequency musical instruments. Tune any bass instrument (bass guitar, double bass, bassoon, bass clarinet, bass trombone, bass saxophone, cello etc.) with this extremely accurate and easy-to-use chromatic tuner. Bass Tuner BT1 also comes with a handy tone generator that plays any note as a reference for tuning. - Includes all the features of a professional bass tuner. - Extremely accurate (can be tuned to an accuracy of ±0.1 cents). - Displays the current note being tuned along with its deviation and current frequency. - Includes historical graph of the pitch that helps you with the tuning process. - Tone generator that can generate reference tones over a note-range of 3 octaves. - Ability to set the frequency of A₄ (for tunings where A₄ is not 440 hertz).

Version history

4 versions are listed, going back to v1.19. Since v1.26 it requires Android 5.0+.

v1.28 LATEST Nov 13, 2025 22.9 MB TRUSTED v1.27 Jan 20, 2025 19.2 MB TRUSTED v1.26 Jan 9, 2025 15.8 MB TRUSTED v1.19 Mar 10, 2024 7.1 MB TRUSTED

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Nov 13, 2025.
Certificate issued to “JSplash Apps” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Nov 13, 2025
Validated against Google Play Nov 13, 2025
Signed byO=JSplash Apps
Signing certificate (SHA-1)BF:B1:05:A3:1F:87:5B:60:91:EB:92:DA:F1:49:FD:DC:41:58:98:88
File MD57f45a7400744aeb7087dbc47d73949c4
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 (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (14)

Bass Tuner BT1 requests 14 permissions, 1 of them sensitive.

Record audio (microphone) Sensitive android.permission.RECORD_AUDIO
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
Apphub bind apphub service (custom) com.applovin.array.apphub.permission.BIND_APPHUB_SERVICE
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
In-app purchases (Google Play Billing) com.android.vending.BILLING
Internal broadcast protection (app-defined) com.jsplash.basstuner.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Run foreground services android.permission.FOREGROUND_SERVICE
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Microphone android.hardware.microphone
Portrait screen android.hardware.screen.portrait
Wi-Fi android.hardware.wifi

Bass Tuner BT1 APK: questions and answers

Is there a version of Bass Tuner BT1 for older Android phones?

The current version needs Android 5.0 or later. Version 1.19 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 1.19 · 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 Bass Tuner BT1 free?

The APK is free to download, but the app offers in-app purchases through Google Play.

Is the Bass Tuner BT1 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 2 other versions checked. After downloading, check that the file's MD5 is 7f45a7400744aeb7087dbc47d73949c4.