Chord Detector tracker MIDI
Real time chord tracker with experimental MIDI rec
Guitar Tabs X · com.bialamusic.resonancechorddetector
- Signature matches the Google Play version Details
At a glance
- Latest version
- v1.31 (6)
- Updated
- Mar 18, 2026 (7 months ago)
- APK size
- 2.7 MB
- Requires
- Android 5.0+ (API 21)
- CPU support
- Any (no native code)
- Category
- Music & Audio (app)
- Listed since
- Feb 15, 2021 (at least)
- Permissions
- 10 (1 sensitive)
- Website
- bialamusic.com
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Chord Detector tracker MIDI is an app by Guitar Tabs X in the Music & Audio category, listed since at least February 2021. It has no native code, so it runs on any Android processor.
Since version 1.10, the APK grew from 2.1 MB to 2.7 MB. It asks for 10 permissions, 1 of them sensitive: record audio. Compared with version 1.20, it adds 3 new permissions (“Access adservices ad id”, “Access adservices attribution” and “Access adservices topics”) and drops 3 (“Run at startup”, “Modify shared storage” and “In-app purchases”). The app can read the advertising ID that ad and analytics services use.
What's new in v1.31
Description
From the listing uploaded by “appupdater”.
Version history
3 versions are listed, going back to v1.10.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Mar 18, 2026.
- Certificate issued to “Aleksandar Mlazev” 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 Mar 18, 2026
- Validated against Google Play Mar 18, 2026
- Signed byCN=Aleksandar Mlazev, L=Sofia, ST=Sofia, C=BG
- Signing certificate (SHA-1)48:8A:86:97:44:00:AE:FA:E9:CF:EA:CF:5E:46:93:9A:D7:3B:2A:A8
- File MD5d6bcc8d18f00ae81d179a7f437ab464f
- 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 (10)
Chord Detector tracker MIDI requests 10 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
- Full network access android.permission.INTERNET
- Internal broadcast protection (app-defined) com.bialamusic.resonancechorddetector.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- 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
- Microphone android.hardware.microphone
- Portrait screen android.hardware.screen.portrait
Chord Detector tracker MIDI APK: questions and answers
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 Chord Detector tracker MIDI 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 d6bcc8d18f00ae81d179a7f437ab464f.
