Comparison

Decibel Meter vs Decibel Shield

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

Head to head
About

Decibel Meter

Transform your phone into a professional-grade decibel meter for real-time noise detection. Features advanced algorithms, noise visualization, and recording capabilities for comprehensive sound analysis.

Highlights
  • Military-grade algorithm
  • Professional GB weighted detection
  • Noise recording
  • Noise classification system
  • AI ambient noise visualization
  • Noise dosimeter
Features
Read full description

The decibel meter 3 is shocking! This time, your mobile phone is a professional decibel testing instrument that can provide you with noise detection anytime, anywhere. Decibel Meter 3 Features: - Brand new military-grade algorithm - Brand new UI page design - Brand new noise rendering animation - Brand new professional-level GB weighted detection engine - Brand new noise recording capability - New professional-grade noise classification system - Brand new AI real-time ambient noise source visualization engine - Brand new noise dosimeter we continue to pay attention to your health More features will be launched in subsequent versions, so stay tuned! *Note: Although we provide high-precision algorithms, due to the limitations of hardware specifications of mobile devices such as mobile phones, it cannot completely replace professional equipment. The data is for reference only. Get subscription content: 1. Pure and ad-free 2. The decibel test is more sensitive and accurate 3. Free access to all toolkits *Our standard subscription options are: Provide continuous subscription after VIP free trial, VIP continuous weekly subscription, VIP continuous monthly subscription, and VIP continuous subscription annual subscription options. During the subscription period, you can permanently say goodbye to the interruption of advertisements; the decibel test is more sensitive and accurate; all toolkits are used for free; the priority experience of more functions is obtained. * Subscription fees will be charged to your iTunes account at confirmation of purchase and at the beginning of each renewal cycle. Subscriptions that include a free trial period will automatically renew to a paid subscription. You can cancel your subscription or free trial in iTunes settings at least 24 hours before the end of the free trial period. Cancellation of subscription will take effect after the last day of the current subscription period. Once the cancellation of subscription takes effect, your subscription service rights will become invalid. Privacy Policy: ttps://pages.flycricket.io/fen-bei-ce-shi-yi/privacy.html User Agreement: https://pages.flycricket.io/fen-bei-ce-shi-yi/terms.html

About

Decibel Shield

Measure and track sound levels in real-time with this user-friendly decibel meter. Log historical data, integrate with Apple Health, and gain insights into your sound environment. Includes a white noise generator for focused listening.

Highlights
  • Real-time decibel monitoring
  • Historical data tracking
  • Apple Health integration
  • White noise generator
  • iCloud sync
  • Location tagging
  • Background processing
Features
Read full description

Decibel Shield™ : Sound Level Meter Discover the power of sound around you with Decibel Shield™ , the free and user-friendly app designed to make noise level measurement simple and insightful. Whether you're monitoring workplace noise, checking the volume at events, or just curious about everyday sound levels, Decibel Shield™ offers an easy-to-use solution right at your fingertips. Key Features Real-Time Decibel Monitoring: Instantly view the current sound levels in decibels (dB) with precise accuracy. Perfect for those needing an accurate dB meter. Historical Data Tracking: Keep a log of all your measurements with date and time stamps for future reference. Apple Health App Integration: Save sound levels to iOS health app to track historical levels. White Noise Generator: Listen to different sounds including white,brown,blue noise and more. Trends View: Provides insights into your sound level measurements over different periods. Explore various statistics and trends to better understand your sound environment. Location Tagging: Record the location of your measurements, ideal for comparing noise levels across different places. Max and Average dB Readings: Alongside real-time data, view the highest and average decibel readings of each session. Background Processing: Measure sound levels even when the app is running in the background. VU Meter Visual Representation: A dynamic VU meter provides a visual understanding of current noise levels. Important Notice The sound level measurement provided by this app is for informational purposes only. While we strive to ensure the accuracy of the measurements, we cannot guarantee that the results are entirely precise due to various factors such as device calibration, microphone quality, and environmental conditions. By using this app, you agree to the following: No Guarantee of Accuracy: The measurements and results provided by this app are not guaranteed to be accurate and should not be relied upon for critical or professional purposes. User Responsibility: Users are solely responsible for the interpretation and use of the data provided by this app. We strongly recommend using professional sound level meters and consulting with qualified professionals for accurate measurements and health-related concerns. Limitation of Liability: The developers, owners, and affiliates of this app shall not be held liable for any damages, injuries, or adverse effects resulting from the use or misuse of the app or the reliance on the data provided. This includes, but is not limited to, direct, indirect, incidental, and consequential damages. Health and Safety: If you have any concerns about noise levels and their impact on your health, please consult with a medical professional or an accredited specialist in sound measurement and acoustics. Visit NIOSH website for more. By downloading and using this app, you acknowledge that you have read, understood, and agreed to this disclaimer. Decibel Shield™ Premium Subscription Information: Joining the Decibel Shield™ Premium Subscription may include a 7-day free trial, followed by a yearly membership fee. • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. • Account will be charged for renewal within 24-hours prior to the end of the current period. • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription, where applicable. Privacy Policy : https://appstack.wixsite.com/apps/policies Terms of Service : https://appstack.wixsite.com/apps/terms

Screenshots

Decibel Meter4 screens
Decibel Shield4 screens

Verdict

The call

The clearest difference is ads: Decibel Shield at none against Decibel Meter's shown. Decibel Shield also leads on update cadence (daily vs every 2 weeks) and rating (4.7 vs 4.3). Decibel Meter's advantage is iOS requirement (13 vs 15.6). On price, ratings volume, in-app purchases and monetization model 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 Meter sells 8 in-app purchases, starting at $1.99 per 7 days and Decibel Shield sells 4 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Decibel Shield holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 907 and 644 respectively. Written reviews point the same way: 57% of Decibel Meter's written reviews are positive against 77% of Decibel Shield's.

UpkeepUpdate frequency

Decibel Meter ships an update every 2 weeks, Decibel Shield daily. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
Decibel Meter versus Decibel Shield: the parameters behind the verdict, then further details
ParameterDecibel MeterDecibel Shield
PriceFreeFree
Rating4.3 (907 ratings)4.7 (644 ratings) — better
Positive reviews56.8% of reviews76.9% of reviews — better
Number of ratings907 — better644
Update frequencyEvery 2 weeksDaily — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13 — better15.6
Further details — not scored
Size107 MB43 MB
Age rating4+4+
Developer文波 曾APPSTACK LLC

Customer experience

Decibel Meter

All ratings905 ratings
Positive83.0%
Neutral7.6%
Negative9.4%
Written reviews88 reviews
Positive56.8%
Neutral5.7%
Negative37.5%

Decibel Shield

All ratings623 ratings
Positive93.6%
Neutral2.6%
Negative3.9%
Written reviews13 reviews
Positive76.9%
Neutral15.4%
Negative7.7%

Bugs and requests

Decibel Meter

Reported bugs

4 issues
  • Decibel readings capped at 90 dB
  • Displaying incorrect address information
  • Crashing or freezing on launch
  • Showing 70 dB in a completely silent room

Requested features

3 requests
  • Landscape mode for iPad
  • Ability to detect sounds above 90 dB
  • Option to disable ads or switch to a paid version

Decibel Shield

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Decibel Meter

Subscriptions6
  • Free trail then subscribe3 Days trial$1.997 Days
  • 分贝测试仪专业版2 variants$2.993 Months
  • 分贝仪专业版3 Days trial$2.997 Days
Show 3 more
  • 分贝测试仪专业版$4.496 Months
  • Pro Monthly Subscription3 Days trial$5.491 Month
  • 分贝测试仪专业版$25.991 Year
One-time2
  • Remove advertisement$0.99
  • 终身尊享权益$29.99
4 purchases

Decibel Shield

Subscriptions4
  • Premium Weekly7 Days trial$1.997 Days
  • Premium Monthly7 Days trial$4.991 Month
  • Annual Membership7 Days trial$44.991 Year
Show 1 more
  • Premium Yearly7 Days trial$49.991 Year

Questions

Is Decibel Meter free?
Decibel Meter is free to download, with in-app purchases available.
Is Decibel Shield free?
Decibel Shield is free to download, with in-app purchases available.
Which has better reviews, Decibel Meter or Decibel Shield?
Decibel Shield is rated higher. Decibel Meter averages 4.3 out of 5 from 907 ratings, while Decibel Shield averages 4.7 from 644 ratings.
Do Decibel Meter or Decibel Shield have ads?
Decibel Meter shows ads; Decibel Shield does not.
Which is updated more often, Decibel Meter or Decibel Shield?
Decibel Meter ships an update every 2 weeks, and Decibel Shield daily. Most recently, Decibel Meter was updated on November 6, 2026 and Decibel Shield on November 3, 2026.

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