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Silent Mode/All Mute Mode (Camera Mute)

Official Description

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This app can turns your standard camera app into a high quality silent camera.
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In Japan and some several countries, a standard camera cannot use without shutter sounds.
If your phone's standard camera cannot have settings which set silent shutter mode, this app will be able to satisfy you.

Key Points
-- NO Rooted
-- Automatically silent mode
-- Widget/Quick Settings/Android Shortcuts

Confirmed OS
Android 9.0
Android 8.0,8.1
Android 7.0,7.1
Android 6.0

Trial edition:
https://play.google.com/store/apps/details?id=jp.sisyou.kumikashi.allmutemodetrial

Total 400,000 downloads achieved,
Thank you!