Comparison

Decibel vs 推しClock

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Decibel

This app provides precise sound level measurements and audio analysis using professional weighting filters and real-time FFT spectrum analysis. It functions as a dosimeter for workplace safety and allows for easy sharing of dB data overlays on photos.

Highlights
  • Professional Frequency Weighting (ITU-R 468, A/B/C/Z)
  • Real-Time FFT Spectrum Analysis
  • NIOSH & OSHA Standard Dosimeter
  • High-Precision Calibration
  • InstaDecibel Image Overlay
  • Live Activities Support
  • History Management & Export (PDF/M4A)
Features
Read full description

Measure sound levels, understand noise exposure, and save clear records with Decibel: dB Sound Meter. See real-time readings, follow changes on a live graph, and review average/Leq, minimum, maximum, and peak values during each session. Use the app for everyday sound checks at home, work, events, studios, and outdoor environments. REAL-TIME SOUND MEASUREMENT • Current sound level in a clear digital and analog display • Live waveform graph • Average/Leq, minimum, maximum, and peak values • Fast response mode • Calibration offset for supported microphones • Reference labels that make sound levels easier to understand NOISE EXPOSURE • Estimated daily noise dose • Time-weighted average (TWA) • Projected dose and exposure details • OSHA-based reference view • Exposure-time guidance for different sound levels RECORD AND DOCUMENT • Save measurement sessions • Add names and notes • Review detailed session data • Play back saved recordings • Add live dB overlays to photos and videos • Share saved results for personal documentation USE DECIBEL FOR • Workplace noise awareness • Concerts, rehearsals, and event checks • Home appliance and room comparisons • Neighborhood and traffic noise records • Baby rooms, study spaces, and quiet environments PRO FEATURES Upgrade to Pro to unlock: • Unlimited saved history • PDF report export • Advanced noise analysis tools • Extended calibration controls • Ad-free measurement IMPORTANT MEASUREMENT INFORMATION Sound level readings depend on the device model, microphone, case, environment, calibration, and connected accessories. Decibel is designed for awareness, comparison, and personal documentation. It is not a certified sound level meter or noise dosimeter and is not a replacement for professional equipment. Do not use the app as the sole basis for workplace compliance, legal, medical, or safety decisions. Note If you subscribed through Apple, payment will be charged to your App Store account at confirmation of purchase. Subscriptions automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current subscription period. Your account will be charged for renewal at the price of your chosen plan within 24 hours prior to the end of the current subscription period. You can manage your subscription and auto-renewal in your Account Settings after purchase. Privacy Policy Your data stays private—we don't collect personal info unnecessary for measurements. Microphone access is used solely for decibel tester functions, with no background tracking. Privacy Policy: https://asmyapp.com/decibelmeter/privacy Terms of Use: https://asmyapp.com/decibelmeter/terms Questions or feedback: support@mobiunityhk.com Download Decibel: dB Sound Meter to measure, compare, and document everyday sound environments. dec

About

推しClock

Read full description

OshiClock — 推しと一緒に、今日を乗り越える。 OshiClock(推しClock)は、推しの写真と推し色で毎日を彩る、ワークライフバランス・カウントダウンアプリ。 始業からランチ、終業までの残り時間をひと目で確認でき、次のイベントや記念日もまとめて管理。 忙しい日でも「推しと一緒なら頑張れる」そんな時間を届けます。 主な機能 ホーム画面 推しの写真を背景に設定(選択・ズーム・トリミング対応) 推し色のデジタル時計(秒単位で更新、視認性の高い白縁取り) 始業 / ランチ開始 / ランチ終了 / 終業までの残り時間を自動表示 次回イベントまでのカウントダウン 記念日からの経過日数 AdMob バナー広告(画面下部) 推し設定 背景写真の選択・クロップ 推し色テーマ(HSV カラーピッカーで自由に設定) イベント管理(タイトル+日付で追加・削除) 記念日設定(名称+日付) 通知設定 通知の一括 ON/OFF 土日祝の通知スキップ(日本の祝日に対応) ホーム画面のカウントダウン表示切替 始業 / ランチ開始 / ランチ終了 / 終業の通知時刻とメッセージを個別設定

Screenshots

Decibel4 screens
推しClock3 screens

Verdict

The call

The clearest difference is in-app purchases: 推しClock at none against Decibel's 5. 推しClock also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Decibel sells 2 in-app purchases, starting at $9.99 per 7 days. 推しClock asks for nothing beyond the download.

UpkeepUpdate frequency

Decibel ships an update every 6 weeks, 推しClock every 2 months. The most recent releases landed on October 19, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 7 level
Decibel versus 推しClock: the parameters behind the verdict, then further details
ParameterDecibel推しClock
PriceFreeFree
Rating3.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size180 MB34 MB
Age rating4+4+
Developer芳 王AKIHIRO FURUSAWA

In-app purchases

2 purchases

Decibel

Subscriptions2
  • Weekly VIP$9.997 Days
  • Weekly VIP3 Days trial4 variants$9.997 Days
None

推しClock

No in-app purchases

Questions

Is Decibel free?
Decibel is free to download, with in-app purchases available.
Is 推しClock free?
推しClock is free to download, with no in-app purchases.
Do Decibel or 推しClock have ads?
Neither Decibel nor 推しClock shows ads.
Which is updated more often, Decibel or 推しClock?
Decibel ships an update every 6 weeks, and 推しClock every 2 months. Most recently, Decibel was updated on October 19, 2026 and 推しClock on October 4, 2026.

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