dB Meter vs Plain｜騒音を検知して環境音を自動再生

Protect your hearing today: Turn your iPhone into a pro-grade Decibel Meter and Noise Dosimeter—trusted by safety pros, simple for everyone. From site inspections to everyday curiosity, dB Meter delivers accurate, real-time noise data to keep you safe and informed. ■ CORE FEATURES - A-Weighted Measurement (dBA): Mirrors human ear perception, as used in OSHA/NIOSH standards. - Real-Time SPL Analytics: Live waveforms, Max peaks, and Leq averages in intuitive graphs. - Instant Threshold Alerts: Visual cues when noise hits unsafe levels—prevent damage proactively. - Location-Based Noise Logging: GPS-tagged data for easy site documentation and reports. - Apple Health Integration: Track noise exposure alongside your health metrics. - Export & Share: Instant PDF/CSV reports for compliance and sharing. ■ DESIGNED FOR - EHS Officers - Factory/Construction Managers - Acoustic Engineers - Industrial Workers - Anyone protecting their hearing at work or in daily life ■ WHY IT MATTERS OSHA warns: Over 85 dB prolonged exposure risks permanent hearing loss. dB Meter provides real-time awareness—your shield against invisible threats. ■ ACCURACY NOTE iPhone mics excel for most uses but may limit at 100–115 dB+. For certified compliance, use with calibrated hardware. dB Meter is your go-to screening tool. ■ GO PREMIUM Unlock unlimited sessions, advanced analytics, full exports, and ad-free use. Subscriptions via Apple ID. [Privacy Policy](https://flashpea.com/decibel-meter-pro/privacy-policy.html) [Terms of Service](https://flashpea.com/decibel-meter-pro/terms-of-service.html)

Plain は、周囲の音量を検知し、一定以上うるさくなったときだけ環境音を再生するアプリです。 乾燥機音や換気扇音のようなシンプルな音で、気になる生活音をやわらげ、作業や勉強に集中しやすい環境づくりをサポートします。 主な機能 ・騒音を検知して自動再生 ・DRY / VENT の2種類の音を選択可能 ・感度を3段階で調整可能 ・必要なときは手動再生にも対応 ・黒ベースの静かなミニマルUI Plain は必要なときだけ音で環境を整え、集中しやすい空気をつくることを目指しています。