FluidSynth MIDI Synthesizer
v1.2.4c · 13.4 MB · code 81
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File information
UpdatedOct 8, 2025
PublishedJan 31, 2020
Packagenet.volcanomobile.fluidsynthmidi
Versionv1.2.4c (81)
Size13.4 MB
MD5d25154f46992d42be59f4f10fe294d04
Min SDK23
ABIsx86, x86-64, armeabi-v7a, arm64-v8a
Malware scanTRUSTED
Signature SHA1FA:12:65:49:BE:D5:57:61:99:38:91:80:D6:78:CF:A7:D2:CA:00:B2
SignerCN=, OU=, O=Volcano Mobile, C=
Total downloads10,000
This version10,000
DeveloperVolcano Mobile SNC
Age ratingEveryone
What's new in v1.2.4c
let key pressure events go to FluidSynth
fix crash in midi parser
auto save and restore channel preset configuration (reset when soundfont changes)
update to AndroidX
update fluidsynth
fix running status message parsing
fix crash in midi parser
auto save and restore channel preset configuration (reset when soundfont changes)
update to AndroidX
update fluidsynth
fix running status message parsing
Security scan
TRUSTED
- Developer signature verified 2021-01-16
- Scanned for malware 2021-01-16 19:28:35
- Signature SHA1 FA:12:65:49:BE:D5:57:61:99:38:91:80:D6:78:CF:A7:D2:CA:00:B2
- File MD5 d25154f46992d42be59f4f10fe294d04
How to install FluidSynth MIDI Synthesizer v1.2.4c on Android 6.0 Marshmallow+
Takes about 2 minutes. You'll need roughly 13.4 MB of free storage.
- Grab net.volcanomobile.fluidsynthmidi_81.apk — hit the Download button above (13.4 MB). If your browser warns about APK files, choose Keep or Download anyway — that warning fires on every APK, not just this one.
- Trust your browser to install — on Android 8+ go to Settings → Apps → Special access → Install unknown apps, pick the app you downloaded with (Chrome, Firefox, Files, etc.), and flip Allow from this source. On older Android, toggle Unknown sources under Security.
- (Optional) Verify the file — compute the MD5 of the downloaded APK and make sure it matches d25154f46992d42b…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find net.volcanomobile.fluidsynthmidi_81.apk in your Files app under Downloads, then tap it. Android's package installer will appear.
- Check the signer — the install screen will name the publisher. For this build it should read CN=, OU=, O=Volcano Mobile, C=. If it doesn't match, cancel — you have the wrong file.
- Review permissions & tap Install — scroll the permission list, then confirm. If Play Protect flags it, tap Install anyway (this APK was scanned as TRUSTED).
- Done — open FluidSynth MIDI Synthesizer — tap Open on the install screen, or find the FluidSynth MIDI Synthesizer icon in your app drawer (this build targets x86/x86-64/armeabi-v7a/arm64-v8a devices).
Common install errors for FluidSynth MIDI Synthesizer
- "App not installed" — usually means an older or differently-signed version is already on your device. Uninstall it first, then retry. Your data may be lost unless you back it up.
- "Parse error" — the APK is for a newer Android than yours. This version needs Android 6.0 Marshmallow or later. Pick an older build from the versions list below.
- "There was a problem parsing the package" — the download was interrupted. Delete the file and re-download over Wi-Fi.
- Works on one phone but not another — this build ships x86/x86-64/armeabi-v7a/arm64-v8a native code. Devices with a different CPU will reject it.