Comparison

Decibel Meter Noise DB Reader vs GNOS·AI

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

Head to head
About

Decibel Meter Noise DB Reader

Transform your device into a professional sound analysis tool. Measure real-time noise levels, analyze frequencies, and generate various sound waves for audio testing and instrument tuning. Save and share your acoustic reports.

Highlights
  • Real-time decibel monitoring
  • Advanced frequency analyzer
  • Multi-wave sound generator
  • Musical note library
  • Save and share reports
Features
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Decibel Meter Noise DB Reader : Precision Sound Analysis & Frequency Generator. Transform your iPhone into a professional-grade sound lab with Decibel Meter Noise DB Reader - the ultimate app for real-time noise measurement, acoustic analysis, and frequency generation. Whether you're an audio engineer, musician, or simply curious about your environment, this powerful tool delivers unmatched accuracy and versatility. Key Features: - Real-Time Decibel Monitoring – Measure environmental noise with precision, from busy streets to quiet rooms, and track dB levels instantly. - Advanced Frequency Analyzer – Analyze sound in Hertz (Hz) for tasks like acoustic testing, speaker calibration, or noise pollution studies. - Multi-Wave Sound Generator – Generate sine, square, sawtooth, or triangle waves (1Hz–22,000Hz) to test audio equipment, tune instruments, or experiment with sound. - Musical Note Library – Quickly access standard notes for tuning or sound design with a single tap. - Save & Share Reports – Log measurements with timestamps and locations, then export data for professional or personal use. Ideal For: - Musicians tuning instruments - Engineers testing audio systems - Professionals monitoring workplace noise - Students and hobbyists exploring acoustics Decibel Meter Noise DB Reader sets itself apart by combining professional-grade sound analysis with an accessible, user-friendly design. The intuitive interface makes advanced acoustic analysis approachable for both professionals and casual users alike. Protect your hearing! Perfect your sound! Download Decibel Meter Noise DB Reader today! Subscription Details: Decibel Meter Noise DB Reader offers a free trial when you first download the app. To continue using all premium features after the trial, you can choose a subscription plan with weekly, monthly, or yearly billing. - Your subscription will automatically renew at the end of each billing cycle, and payment will be charged to your iTunes account. - To manage or cancel your subscription, go to your iTunes account settings. Auto-renewal must be turned off at least 24 hours before the current period ends to avoid being charged for the next cycle. - Refunds are not provided for unused subscription time. - If you subscribe during a free trial, any remaining trial period will be forfeited. By subscribing, you agree to our Terms of Service. For more details, please review our Privacy Policy and Terms of Use. Privacy policy: https://docs.google.com/document/d/1yLKfqcQHgNl1Dcwm_95BRZA3xyuf1zcTbYaG5r943Zg/edit?usp=sharing Terms of use: https://docs.google.com/document/d/1LfAaph9ajydl4LNBO49YMHzUG8trJf2mr1Dr6ux7w14/edit?usp=sharing Support: https://docs.google.com/document/d/1ZWhkEpDMfOd61UEVYwMW4sdmHUtYmBPnSo-DzdK0qwk/edit?usp=sharing

About

GNOS·AI

Read full description

GNOS.AI is a cutting-edge application fusing an AI music engine with an elite creator network. Through minimalist conversational prompts, you can instantly drive cloud computing power to transform text inspiration into commercial-grade music. Our exclusive 12-dimensional acoustic radar utilizes core algorithms to objectively quantify the value of every melody, crystallizing each creation into your unique digital asset and social calling card. Powered by seamless, millisecond-level global AI translation, the platform completely shatters language barriers, allowing you to effortlessly integrate into a worldwide network of like-minded creators. Define music with compute, connect the globe with sound

Screenshots

Decibel Meter Noise DB Reader4 screens
GNOS·AI3 screens

Verdict

The call

The clearest difference is in-app purchases: GNOS·AI at none against Decibel Meter Noise DB Reader's 2. Decibel Meter Noise DB Reader's advantage is update cadence (every 2 days vs every 11 days). On price, ads, device support and iOS requirement 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 Noise DB Reader sells 2 in-app purchases, starting at $7.99 per 7 days. GNOS·AI asks for nothing beyond the download.

UpkeepUpdate frequency

Decibel Meter Noise DB Reader ships an update every 2 days, GNOS·AI every 11 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 7 level
Decibel Meter Noise DB Reader versus GNOS·AI: the parameters behind the verdict, then further details
ParameterDecibel Meter Noise DB ReaderGNOS·AI
PriceFreeFree
Rating4.0 (19 ratings) — better—
Number of ratings19 — better—
Update frequencyEvery 2 days — betterEvery 11 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.0 — better
Further details — not scored
Size26 MB96 MB
Age rating4+12+
DeveloperElizabeth BlackCISUMVERSE TECHNOLOGY LIMITED

In-app purchases

2 purchases

Decibel Meter Noise DB Reader

Subscriptions2
  • Decibel Meter 1 week3 Days trial$7.997 Days
  • Decibel Meter 1 month$19.991 Month
None

GNOS·AI

No in-app purchases

Questions

Is Decibel Meter Noise DB Reader free?
Decibel Meter Noise DB Reader is free to download, with in-app purchases available.
Is GNOS·AI free?
GNOS·AI is free to download, with no in-app purchases.
Do Decibel Meter Noise DB Reader or GNOS·AI have ads?
Neither Decibel Meter Noise DB Reader nor GNOS·AI shows ads.
Which is updated more often, Decibel Meter Noise DB Reader or GNOS·AI?
Decibel Meter Noise DB Reader ships an update every 2 days, and GNOS·AI every 11 days. Most recently, Decibel Meter Noise DB Reader was updated on October 24, 2026 and GNOS·AI on October 9, 2026.

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