SWIFTSCALES - Vocal Trainer

Learn to sing, warm up, and train your voice with your own virtual vocal coach.

VELDEN · com.swiftscales.music.vvt

4.0 out of 5 (1 rating) 500K+ downloads v3.1.0 96.8 MB Android 6.0+ PEGI 3 · Everyone

Download APK 96.8 MB All versions

Signature matches the Google Play version Details

Watch the SWIFTSCALES - Vocal Trainer trailer on YouTube

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At a glance

Latest version: v3.1.0 (300)
Updated: Apr 8, 2026 (6 months ago)
APK size: 96.8 MB
Requires: Android 6.0+ (API 23)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Graphics: OpenGL ES 2.0+
Category: Education (app)
Listed since: Sep 21, 2016 (at least)
Permissions: 21 (5 sensitive)
Website: swiftscales.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

SWIFTSCALES - Vocal Trainer is an app by VELDEN in the Education category, listed since at least September 2016. 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 2.9.0, the APK grew from 63.7 MB to 96.8 MB. Since version 2.1.2, the minimum Android version rose from 2.3.3 to 6.0. It asks for 21 permissions, 5 of them sensitive, including precise location, record audio and approximate location. Compared with version 3.0.0, it adds 1 new permission: “Run at startup”. 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 v3.1.0

New Features: -Slide the piano to the left to expose even more keys in the scale creator! Updates: -Sharing center back online -Share codes are copied to clipboard after being generated

Description

From the listing uploaded by “appupdater”.

SWIFTSCALES was created by singers, for singers, and is the first app to simulate sitting at the piano with a vocal coach. Unlike other apps & audio lessons, SWIFTSCALES moves with you, as high or low, fast or slow as needed. You control every session in real time or passively, the only limits being the 88 keys of the piano and your imagination. No musical knowledge required! In fact, vocal coaches themselves can use SWIFTSCALES on the go to train and warm up students with exercises they already teach thanks to the app's endless flexibility and customization. Whether beginner or master, student or teacher, SWIFTSCALES grants a lifetime of ever evolving vocal training. Singers, this is the app you've been waiting for! APP FEATURES: (*) -(NEW) Share scales/routines on the cloud -First user interface of its kind -Built in sessions from beginner to expert -No prior musical knowedge required -Create custom sessions of any difficulty -Complete control of sessions in real-time -Unlimited amount of training variation -Create your own custom scale patterns -Professionally recorded audio samples -Bonus Reading and exercises for novices -Video Tutorials for using the app -Contextual help on every page of the app -Supports every mobile device size/shape *The vast majority of the features in this app are available free of charge, ad supported. To enable extended app features and remove advertisements, users may upgrade via a one-time in app purchase.

Version history

4 versions are listed, going back to v2.1.2. Since v3.1.0 it requires Android 6.0+.

v3.1.0 LATEST Apr 8, 2026 96.8 MB TRUSTED v3.0.0 Dec 11, 2025 63.7 MB TRUSTED v2.9.0 Jun 22, 2025 63.7 MB TRUSTED v2.1.2 Dec 16, 2017 23.3 MB TRUSTED

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Apr 8, 2026.
Certificate issued to “Swiftscales” 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 Apr 8, 2026
Validated against Google Play Apr 8, 2026
Signed byCN=Christian Savalas, OU=Mobile Development, O=Swiftscales, L=Los Angeles, ST=CA, C=US
Signing certificate (SHA-1)96:42:68:73:85:D7:39:8A:14:3C:BA:E6:2B:E1:91:A0:E4:B8:EE:A5
File MD586329510aa92fd8b7b0096dffc53416d
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 (21)

SWIFTSCALES - Vocal Trainer requests 21 permissions, 5 of them sensitive.

Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
Find accounts on the device Sensitive android.permission.GET_ACCOUNTS
Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
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
Control vibration android.permission.VIBRATE
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Google Play license check com.android.vending.CHECK_LICENSE
In-app purchases (Google Play Billing) com.android.vending.BILLING
Internal broadcast protection (app-defined) com.swiftscales.music.vvt.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
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

SWIFTSCALES - Vocal Trainer APK: questions and answers

Is there a version of SWIFTSCALES - Vocal Trainer for older Android phones?

The current version needs Android 6.0 or later. Version 3.0.0 is the newest listed build that installs on Android 5.0 and later. Get version 3.0.0 · 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 SWIFTSCALES - Vocal Trainer free?

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

Is the SWIFTSCALES - Vocal Trainer 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 86329510aa92fd8b7b0096dffc53416d.