Riff Studio v4.0.7
APK · 30.6 MB · version code 97 · Android 5.0+ · uploaded Feb 28, 2026
- Signature matches the Google Play version Details
Quick check before downloading
Answer this to unlock the download. It keeps automated downloaders away.
Compared with the latest version
The latest version is v5.2.122, uploaded Aug 22, 2026 — about 6 months after this one.
- Size: this file is 30.6 MB; the latest is 25.7 MB (4.9 MB smaller).
- Android: this version needs Android 5.0+; the latest needs Android 7.0+. Use this one if your device runs an older Android release.
- The latest version asks for 1 more permission: Run at startup.
File information
- Version
- v4.0.7 (97)
- Uploaded
- Feb 28, 2026
- Size
- 30.6 MB
- Requires
- Android 5.0+ (API 21)
- CPU support
- x86 32-bit, x86 64-bit, ARM (legacy), ARM 32-bit, ARM 64-bit, MIPS, MIPS 64-bit
- Screen
- Small screens and larger
- MD5
- b3493c0762f24e656487793d51259836
- Signing certificate (SHA-1)
- 7C:61:63:8F:9E:0D:D1:76:F8:43:EA:93:FE:69:96:7A:C6:5B:8A:2F
- Signed by
- CN=Bruno Azzinnari, OU=Mobile Development, O=brAzzi Labs, L=San Francisco, ST=California, C=US
- File name
- net-brazzi64-riffstudio-97-73745213-b3493c0762f24e656487793d51259836.apk
- Package
- net.brazzi64.riffstudio
- Downloads (all versions)
- 500K+
- Age rating
- PEGI 3 · Everyone
What's new in v4.0.7
- The Pro features of Riff Studio are free from now on. Thank you for everyone’s support over the years!
- Bug fixes & performance improvements
Permissions (14)
This version requests 14 permissions, 2 of them sensitive.
- Display over other apps Sensitive android.permission.SYSTEM_ALERT_WINDOW
- Read media audio Sensitive android.permission.READ_MEDIA_AUDIO
- Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
- Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
- Control vibration android.permission.VIBRATE
- Foreground service media playback android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK
- 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) net.brazzi64.riffstudio.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Run foreground services android.permission.FOREGROUND_SERVICE
- Show notifications android.permission.POST_NOTIFICATIONS
- View network connections android.permission.ACCESS_NETWORK_STATE
Security & authenticity
Security rating: Trusted
Signing certificate
- Signature matches the Google Play version Checked by the source store on Feb 28, 2026.
- Certificate issued to “brAzzi Labs” This is the certificate of the Google Play version.
- Same certificate as the 2 other versions checked
Store checks
- Developer signature verified Feb 28, 2026
- Validated against Google Play Feb 28, 2026
- Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020
Scans 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.
How to install Riff Studio on Android 5.0+
You'll need about 61.2 MB of free space.
- Download the APK — tap Download APK above (30.6 MB). Chrome shows “File might be harmful” for every APK file; choose Download anyway only if you trust this file.
- Open the file — tap the download notification, or open Files › Downloads and tap net-brazzi64-riffstudio-97-73745213-b3493c0762f24e656487793d51259836.apk.
- Allow the install (first time only) — Android 8 and later asks for permission the first time an app opens an APK: tap Settings in the prompt, turn on Allow from this source, then go back. Manual path: Settings › Apps › Special app access › Install unknown apps (on Samsung: Settings › Apps › ⋮ › Special access). On Android 7 and older: Settings › Security › Unknown sources.
- Check the file (optional) — the MD5 of the downloaded file should be b3493c0762f24e656487793d51259836. If it differs, the file is damaged or was changed: delete it and download again.
- Tap Install — Android asks “Do you want to install this app?”. If Google Play Protect shows a warning, read it before you continue: the source store rated this file Trusted, but only install apps from sources you trust. If an earlier version is installed, this one only installs as an update when it is signed with the same certificate (SHA-1 shown above).
- Open Riff Studio — tap Open on the install screen, or find it in your app drawer.
Common install problems
- “App not installed” — a version signed with a different certificate, or a newer version, is already installed (Android doesn't allow downgrades). Uninstall it first; back up your data, because uninstalling deletes it.
- “There was a problem parsing the package” — the file is incomplete, or your Android is too old (this version needs Android 5.0+). Download it again, or pick an older version.
- “App not compatible with your device” — this build contains native code for x86 32-bit, x86 64-bit, ARM (legacy), ARM 32-bit, ARM 64-bit, MIPS, MIPS 64-bit only. Devices with other processors can't install it.
- Blocked by Play Protect — Play Protect checks apps from outside the Play Store. Only continue if you trust the source.