Comparison

ATC Mobile vs Decibel Meter Sound Level dB

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

Head to head
About

ATC Mobile

Read full description

The ATC mobile app allows end users and dealers to interact with the ATC refrigeration controller, quickly view and download product literature, find the closest dealer, register unit warranty and much more. App features: - Change unit set point - View active alarm faults - View system operating conditions: return temperature, evaporator and condenser temperatures, high and low-side pressure readings - Register unit warranty - View and download: o Product literature o Operations manuals o Wiring diagrams o Parts manuals o Installation instructions - Find the closest approved ATC dealer - Troubleshooting and sharing testing data - Proof of temperature delivery - Digital pressure gauges - Download performance logs ------------------------------------------------------------- Note: The ATC mobile app is only compatible with M910207 controllers and M910208 modules.

About

Decibel Meter Sound Level dB

This tool transforms your iPhone into a professional sound level meter. It measures noise levels, tracks daily noise exposure, and can record video with embedded decibel data for evidence. Analyze sound frequencies and generate reports for workplace compliance or noise complaints.

Highlights
  • Professional noise dosimeter
  • OSHA & NIOSH standards compliance
  • Video recording with dB overlay
  • Spectrum analyzer (RTA)
  • PDF report export
  • Calibration for accuracy
  • Background measurement mode
Features
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Decibel Meter: Sound Level & Noise Detector Professional Sound Meter & Noise Dosimeter for iPhone. Turn your device into a precision sound level meter (SPL meter). Trusted by safety officers, acoustic engineers, and thousands of users, Decibel Meter delivers lab-quality noise monitoring with an elegant, intuitive interface. Whether you are checking noise levels for OSHA workplace compliance, recording evidence for noise complaints, or analyzing audio frequencies, this is your all-in-one pocket tool. === KEY FEATURES === PROFESSIONAL NOISE DOSIMETER • OSHA & NIOSH Standards: Accurately track daily noise exposure dose. • Hearing Safety: Monitor TWA (Time Weighted Average) to prevent hearing loss. • Real-Time Analysis: Instant, high-precision dB(A), dB(C), and dB(Z) measurements. VIDEO & EVIDENCE RECORDING • Video Overlay: Record video with real-time decibel levels embedded—perfect proof for noisy neighbors or construction sites. • Photo Snapshots: Capture measurement screens with timestamp, location, and max dB tags. • GPS Tagging: Automatically map your noise measurements to specific locations. ADVANCED ANALYSIS & REPORTING • Spectrum Analyzer (RTA): Visualize sound frequencies (FFT) to identify annoying noise sources. • PDF Export: Generate professional reports with charts, statistics, and exposure data in seconds. • History Log: Save unlimited session data for long-term environmental monitoring. POWERFUL TOOLS • Calibration: Fine-tune microphone sensitivity for professional-grade accuracy. • Background Mode: Continue measuring and logging data even when the app is closed. • Multiple Views: Switch between Waveform, Digital, Analog Gauge, and Spectrum views. • Reference Chart: Compare current noise levels with real-world examples (e.g., "Subway Train," "Whisper"). Download Decibel Meter today and measure the world around you with precision! === Subscription options === The app is free to download, but to access premium features, a subscription is required. With the subscription, you'll enjoy uninterrupted access to our premium features. Your subscription will automatically renew at the end of each term, and your credit card will be charged through your iTunes account within 24 hours before the end of the current period. If you wish to cancel the automatic renewal of your subscription, you can do so at any time by accessing your iTunes account settings. However, please note that refunds will not be provided for any unused portion of the term. To ensure a successful cancellation, please make sure to turn off auto-renewal at least 24 hours before the end of the current period. Terms of use: https://decibelmeter.andyrgb.com/terms Privacy Policy: https://decibelmeter.andyrgb.com/privacy Feedback? Contact us at: andychung.cc@gmail.com

Screenshots

ATC Mobile4 screens
Decibel Meter Sound Level dB4 screens

Verdict

The call

The clearest difference is in-app purchases: ATC Mobile at none against Decibel Meter Sound Level dB's 4. ATC Mobile also leads on ads (none vs shown) and iOS requirement (12.0 vs 16.6). Decibel Meter Sound Level dB's advantage is update cadence (every 3 months vs every 16 months). On price 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 Meter Sound Level dB sells 4 in-app purchases, starting at $4.99 per 7 days. ATC Mobile asks for nothing beyond the download.

UpkeepUpdate frequency

ATC Mobile ships an update every 16 months, Decibel Meter Sound Level dB every 3 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
ATC Mobile versus Decibel Meter Sound Level dB: the parameters behind the verdict, then further details
ParameterATC MobileDecibel Meter Sound Level dB
PriceFreeFree
Rating—4.4 (24 ratings) — better
Positive reviews—37.5% of reviews
Number of ratings—24 — better
Update frequencyEvery 16 monthsEvery 3 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.0 — better16.6
Further details — not scored
Size31 MB19 MB
Age rating4+4+
DeveloperGlobus Sistemas Eletronicos Ltda汇杭 钟

In-app purchases

None

ATC Mobile

No in-app purchases

4 purchases

Decibel Meter Sound Level dB

Subscriptions3
  • Premium Weekly$4.997 Days
  • Premium Monthly$5.991 Month
  • Premium Yearly3 Days trial$29.991 Year
One-time1
  • Lifetime Premium$49.99

Questions

Is ATC Mobile free?
ATC Mobile is free to download, with no in-app purchases.
Is Decibel Meter Sound Level dB free?
Decibel Meter Sound Level dB is free to download, with in-app purchases available.
Do ATC Mobile or Decibel Meter Sound Level dB have ads?
Decibel Meter Sound Level dB shows ads; ATC Mobile does not.
Which is updated more often, ATC Mobile or Decibel Meter Sound Level dB?
ATC Mobile ships an update every 16 months, and Decibel Meter Sound Level dB every 3 months. Most recently, ATC Mobile was updated on November 7, 2026 and Decibel Meter Sound Level dB on November 3, 2026.

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