Comparison

Secuyou Lock vs Decibel Meter dB

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

Head to head
About

Secuyou Lock

Features
Read full description

Secuyou lets you easily control, monitor and secure your patio doors and windows by use of your iPhone. To start, simply purchase the Secuyou Lock, download the free app, and add as many Locks to the iPhone. The app will automatically detect if the Locks are within range and unlock automatically. Or you can setup the lock to unlock and lock only when done manually. As an administrator of the Lock, you can add users and change the name of the Lock. The Lock works with Bluetooth Smart (TM)

About

Decibel Meter dB

This app provides real-time decibel monitoring with a dynamic visual display and color-coded alerts for different noise thresholds. It helps users track sound levels, understand potential risks, and maintain healthier audio environments. Ideal for various settings, it offers a simple and effective way to stay aware of ambient noise.

Highlights
  • Real-time decibel monitoring
  • Animated visual ear display
  • Color-coded noise alerts
  • 1-minute average tracking
  • Spectrogram view
  • Optimized for iPhone and iPad
Features
Read full description

Sound Ear is an intuitive decibel meter that helps you monitor and maintain healthy sound levels in any environment. Using a simple, visual interface with a dynamic ear display, it makes sound level monitoring accessible and engaging for everyone. KEY FEATURES: • Real-time decibel monitoring with instant visual feedback • Animated ear display that changes color based on sound intensity • 1-minute average tracking for sustained noise level awareness • Spectrogram • Color-coded alerts for different noise thresholds: - Gray (under 70 dB): Safe levels - Yellow (70-80 dB): Warning level - Red (over 80 dB): Potentially harmful levels PERFECT FOR: • Teachers monitoring classroom noise levels • Parents keeping track of children's environment • Office managers maintaining productive workspaces • Musicians and performers monitoring practice sessions • Libraries and quiet spaces • Anyone concerned about noise levels SIMPLE AND EFFECTIVE: • Clean, distraction-free interface • Easy-to-understand visual indicators • Toggle between current and average readings • Works on iPhone and iPad with optimized layouts Monitor sound levels effortlessly and maintain a healthier sound environment with Sound Ear - your visual guide to noise awareness. Measurements are intended for reference only and may vary based on device capabilities. Disclaimer: This app provides approximate sound measurements for informational purposes only. Readings may vary from professional sound level meters due to: - Device microphone quality and condition - Phone position and distance from sound source - Environmental factors and surface vibrations - Hardware limitations of different iPhone models Not intended for professional or industrial use. For accurate sound measurements, please use calibrated professional equipment. For hearing protection guidelines, always follow local workplace safety regulations and consult hearing health professionals.

Screenshots

Secuyou Lock2 screens
Decibel Meter dB4 screens

Verdict

The call

The clearest difference is price: Secuyou Lock at Free against Decibel Meter dB's $3.99. Secuyou Lock also leads on update cadence (every 3 weeks vs every 4 months) and iOS requirement (12.0 vs 15.6). On ads, in-app purchases 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

Secuyou Lock is free to download; Decibel Meter dB costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Secuyou Lock ships an update every 3 weeks, Decibel Meter dB every 4 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 6 level
Secuyou Lock versus Decibel Meter dB: the parameters behind the verdict, then further details
ParameterSecuyou LockDecibel Meter dB
PriceFree — better$3.99
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better15.6
Further details — not scored
Size1 MB1 MB
Age rating4+4+
DeveloperSecuyou ApSMorten Punnerud

In-app purchases

None

Secuyou Lock

No in-app purchases

None

Decibel Meter dB

No in-app purchases

Questions

Is Secuyou Lock free?
Secuyou Lock is free to download, with no in-app purchases.
Is Decibel Meter dB free?
Decibel Meter dB costs $3.99, with no in-app purchases.
Do Secuyou Lock or Decibel Meter dB have ads?
Neither Secuyou Lock nor Decibel Meter dB shows ads.
Which is updated more often, Secuyou Lock or Decibel Meter dB?
Secuyou Lock ships an update every 3 weeks, and Decibel Meter dB every 4 months. Most recently, Secuyou Lock was updated on October 26, 2026 and Decibel Meter dB on October 24, 2026.

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