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Now on iOS

Decibel Budget

WHO/NIHの安全ガイドラインに基づき、指定した音量レベルにおける最大安全聴取時間を即座に算出します。

ヘルス＆セーフティ計算 iOS Paid subscription

Download on theApp Store Get support

Screenshots coming soon.

Who it's for

How the subscription works

Freemium

Auto-renews monthly via Apple's standard subscription system.
Cancel anytime in Settings → Apple ID → Subscriptions.
Refunds handled by Apple per their policy at reportaproblem.apple.com.
No third-party tracking or analytics SDKs inside the app.

What we don't collect

Your contact list, photos, location, microphone, or camera.
Any content you enter into the app (notes, logs, data) — it stays on your device unless you explicitly sync.
Identifiers used to track you across other apps.

Full details in our privacy policy.

Now available

Decibel BudgetがApp Storeで配信中。 Download it here — listed as Decibel Budget. Questions? Email support@bestpaid.app.

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