Quiet Dial

granularvolume.com
by Zapstore _@zapstore.dev

Republished from GitHub / F-Droid by the Zapstore main account.

Is your Android volume still too loud even at the lowest setting, in media, ringtones, or notifications? Your phone or tablet stops at its hardware minimum. Granular Volume goes below it. Free to install with seven days of the complete app. After that, one payment, once, inside the app through Google Play. A small floating control appears above any app, with your whole volume range on one slider: normal system volume above your device's minimum line, and a quiet zone below it, seven steps down to a full 30 dB under the hardware minimum. Drag it anywhere, tuck it to an edge, close it when done. Your position is saved. This is a convenience utility, not hearing protection equipment. Actual loudness depends on your device and headphones, so use good judgment with volume changes. LOWER THAN YOUR PHONE OR TABLET ALLOWS Most volume apps are built to go louder. Granular Volume is built for the other end: it reduces volume below the lowest step your device's hardware allows, using Android's audio engine, on phones and tablets alike. No root required. No system volume panel replacement. No ads, no account, no internet permission at all. The quiet zone is the heart of the app, and the same slider covers your normal range too. WHEN YOUR VOLUME BUTTONS DO NOT WORK Volume keys wear out, stiffen, or get held down by a case. Above the line marking your device's minimum, the dial sets normal system volume, so it stands in for the buttons: drag up for louder, drag down for quieter, in even 5 dB steps built from your own device's volume curve. Below the line it keeps going, quieter than the phone allows. Mute leaves alarms alone, but the quiet steps lower alarms and ringtones too. A FLOATING VOLUME CONTROL, ALWAYS IN REACH The control lives above whatever you are doing. Open any app, start any audio, and it is there when you need it. Drag it anywhere, or tuck it to an edge between uses. One tap closes it. Your last position is remembered next time. QUICK SETTINGS TILE Swipe down, tap once. Add Granular Volume to your Quick Settings panel and toggle the overlay on or off without ever opening the app. No shortcuts to set up, no widgets to place. MADE FOR QUIET MOMENTS - App calls such as WhatsApp, where the phone plays them as media. Regular calls run on a separate path no app can lower - Sensitive IEMs and high-sensitivity headphones, where even step 1 is too loud - Tablet speakers and headphones, where the minimum step is often even louder than on phones - White noise or lullabies for a sleeping baby, kept barely audible - Late-night listening next to a sleeping partner - Quiet rooms, libraries, open offices, and meditation - ASMR and relaxation audio at a comfortable level - Hearing aids and amplified devices where minimum system volume is too strong DESIGNED TO STAY OUT OF THE WAY Granular Volume does not take over your volume keys: they keep working, and inside the quiet zone the dial folds their presses into its own finer scale. It does not replace your system volume panel and it does not add an equalizer suite you did not ask for. It sits quietly on top as an overlay and changes one thing: the level, from normal volume all the way below your hardware minimum. PRIVATE, OPEN SOURCE Seven days free, then a single payment. Nothing renews, no subscription. No ads. No tracking. No internet permission, so the app cannot connect to anything. No account, no sign in, no analytics. Open source under the GPL-3.0 license. PERMISSIONS, EXPLAINED - Display over other apps: required to show the floating volume control above your screen - Modify audio settings: required to apply the volume attenuation - Run a foreground service: keeps the control reliable while you listen - Start on boot: restores the control after a restart if it was on before shutdown, so it is ready when you need it Works on Android phones and tablets alike. If your minimum was always too loud, this is the volume you were missing.

First release: Aug 9, 2026, 9 total releases.

Most recent release: Sep 28, 2026.

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Underlying data available via MCP: app_zaps, app_releases.

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Releases

  • Sep 28, 2026 1.6.1-fdroid
    Signed reference APK for F-Droid's reproducible-build verification of v1.6.1 (versionCode 40). No change for F-Droid users: this build stays free and complete, with no billing code. Built by CI run 36413255662 on ubuntu-latest from commit 740ad66, aligned with the recipe's zipalign.py --page-size 4 --pad-like-apksigner, signed with --alignment-preserved, checked with apksigcopier do_copy. Cert SHA-256 01cc6025ffce326c32324a3e441355dbdc3934abd2d656bed1b2ec62ff0cced8.
  • Sep 28, 2026 1.6.0-fdroid
    Signed reference APK for F-Droid's reproducible-build verification of v1.6.0 (versionCode 39). The Google Play version gains an in-app purchase; this F-Droid build stays free and complete, with no billing code. Built by CI run 36383939269 on ubuntu-latest from commit f31bfe0, aligned with the recipe's zipalign.py --page-size 4 --pad-like-apksigner, signed with --alignment-preserved, checked with apksigcopier do_copy. Cert SHA-256 01cc6025ffce326c32324a3e441355dbdc3934abd2d656bed1b2ec62ff0cced8.
  • Sep 24, 2026 1.5.3
    Signed reference APK for F-Droid's reproducible-build verification of v1.5.3 (versionCode 36). Stability fixes. This F-Droid build stays free and complete. Built by CI run 35997431568 on ubuntu-latest from commit c451961, aligned with the recipe's zipalign.py --page-size 4 --pad-like-apksigner, signed with --alignment-preserved, checked with apksigcopier do_copy. Cert SHA-256 01cc6025ffce326c32324a3e441355dbdc3934abd2d656bed1b2ec62ff0cced8.
  • Sep 23, 2026 1.5.0
    Signed reference APK for F-Droid's reproducible-build verification of v1.5.0 (versionCode 33). This F-Droid build stays free and complete. Built by CI run 35849090310 on ubuntu-latest from commit 5c95254, signed locally. Cert SHA-256 01cc6025ffce326c32324a3e441355dbdc3934abd2d656bed1b2ec62ff0cced8.
  • Sep 1, 2026 1.4.7
    Reference APK for F-Droid reproducible-build verification of 1.4.7 (versionCode 27). Fixes a bug where volume-up presses could keep pulling the volume back down instead of raising it, and stops offering the quiet steps during a regular phone call, where Android routes call audio on a path that runs no audio effects. App calls such as WhatsApp keep the full range. FOSS flavor: no Google Play libraries, no INTERNET permission. Signing certificate SHA-256: 01cc6025ffce326c32324a3e441355dbdc3934abd2d656bed1b2ec62ff0cced8
  • Aug 16, 2026 1.4.6
    Signed reference APK for F-Droid's reproducible-build verification. - versionCode 18, versionName 1.4.6, fdroid flavor - Commit: ffe0d07e10d3cfed27f8de8abd636163fd235025 (tag v1.4.6) - Signing cert SHA-256: 01cc6025ffce326c32324a3e441355dbdc3934abd2d656bed1b2ec62ff0cced8 - No INTERNET permission; zero Google Play/GMS/Firebase code in classes.dex
  • Aug 15, 2026 1.4.4
    Signed reference APK for F-Droid's reproducible-build comparison, versionCode 16. Interface release: the chevrons became wide sculpted glass keys and mute became a full-width bar, so a tap aimed at a chevron can no longer land on mute. A physical volume key press that lands inside a step now flashes the current bar, and on the lowest step above the device-minimum line a downward press flashes the first step below the line instead. The overlay's outer size is unchanged: measured against the previous release on the same device, identical width and one pixel of height difference. Volume behaviour is untouched. The step values, the 5 dB rungs, the audio effect and the absorb policy are byte-identical to 1.4.3. SHA-256 of this asset is printed below by GitHub. Signing certificate SHA-256: 01cc6025ffce326c32324a3e441355dbdc3934abd2d656bed1b2ec62ff0cced8
  • Aug 10, 2026 1.4.3
    Signed reference APK for F-Droid's reproducible-build verification of v1.4.3. - versionCode 15, versionName 1.4.3, package granularvolume.com - Built by CI from tag v1.4.3 (commit cbaf2204e7264984c2782b88ceac7d3ec2c269db), signed locally - Certificate SHA-256: 01cc6025ffce326c32324a3e441355dbdc3934abd2d656bed1b2ec62ff0cced8 - fdroid flavor: no INTERNET permission, zero com.google.android.play / gms / firebase references What's new: during a phone or VoIP call the upper zone now controls the call volume, exactly like the physical volume keys do in a call, and returns to media volume when the call ends. The quiet zone keeps working in calls as
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    before, reaching below the device minimum.
  • Aug 9, 2026 1.4.0
    Signed reference APK for F-Droid's binary comparison (fdroid flavor, versionCode 12). Built from tag v1.4.0. This is the artifact F-Droid publishes after verifying its own build from source matches.