Comparison

Decibel Sound Meter vs 2FA Authenticator Code

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

Head to head
About

Decibel Sound Meter

Measure environmental noise levels and display decibel values in various formats. This smart sound meter app features a tidy graphic design and provides real-time noise detection using your mobile microphone. It offers clear visualizations of sound levels and includes helpful information about decibel measurements.

Highlights
  • Measures environmental noise decibel values
  • Displays dB values in various forms
  • Tidy graphic design with high frame rate
  • Uses mobile microphone for ambient noise measurement
  • Shows current, min, average, and max decibel values
  • Displays decibel change chart
  • Auto decibel value calibration
Features
Read full description

Sound level meter(or SPL) app is shows a decibel values by measure the environmental noise, displays measured dB values in various forms. you'll experience tidy graphic design with high frame by this smart sound meter app. Decibel meters also are referred to as sound level meters (decibel meters), noise detection, sound meters, noise detectors, and noise detectors. Decibel meter may be a noise detection software that uses mobile microphone to live the ambient noise decibel (dB). The current decibel size and curve are displayed during the method . With the decibel meter, you'll measure the present ring The background level of the environment is straightforward and straightforward to use. Functions: - The dashboard displays the present noise decibel value - Display min/aver/max/current decibel value - Display decibel size change chart - Auto decibel value calibrate - Display test time 11 Levels of Noise: 120dB: thunder 110dB: rock 'n' roll 100dB: train 90dB: factory 80dB: busy street 70dB: busy traffic 60dB: conversation 50dB: quiet library 40dB: quiet park 30dB: whisper 20dB: leaves fall Decibels: dB, dB(A), dBA, dB(C), dBV, dBm and dBi? What are they all? The decibel (dB) may be a logarithmic unit wont to measure sound level. it's also widely utilized in electronics, signals and communication. The dB may be a logarithmic way of describing a ratio. The ratio could also be power, instantaneous sound pressure , voltage or intensity or several other things. afterward we relate dB to the phon and to the sone, which measures loudness. What is a Sound level meter? A sound level meter is employed for acoustic (sound that travels through air) measurements. it's commonly a hand-held instrument with a microphone. the simplest sort of microphone for sound level meters is that the condenser microphone[1], which mixes precision with stability and reliability. The diaphragm of the microphone responds to changes in atmospheric pressure caused by sound waves. that's why the instrument is usually mentioned as a instantaneous sound pressure Level (SPL) Meter. This movement of the diaphragm, i.e. the instantaneous sound pressure deviation (pascal Pa), is converted into an electrical signal (volts V). While describing sound in terms of instantaneous sound pressure (Pascal) is feasible , a logarithmic conversion is typically applied and therefore the instantaneous sound pressure level is stated instead, with 0 dB SPL adequate to 20 micropascals. A microphone is distinguishable by the voltage value produced when a known, constant instantaneous sound pressure is applied. this is often referred to as the microphone sensitivity. The instrument must know the sensitivity of the actual microphone getting used . Using this information, the instrument is in a position to accurately convert the electrical signal back to a instantaneous sound pressure , and display the resulting instantaneous sound pressure level (decibels dB SPL). Sound level meters are commonly utilized in sound pollution studies for the quantification of various sorts of noise, especially for industrial, environmental, mining[2] and aircraft noise. the present international standard that specifies sound level meter functionality and performances is that the IEC 61672-1:2013. However, the reading from a sound level meter doesn't correlate well to human-perceived loudness, which is best measured by a loudness meter. Specific loudness may be a compressive nonlinearity and varies at certain levels and at certain frequencies.These metrics also can be calculated during a number of various ways Note: Microphones in most IOS devices are aligned to human voice. the utmost values are limited by the device. Very loud sounds(over ~90 dB) might not be recognized in most device. So please use it as just an auxiliary tools. Terms & Condition: https://ghapps1.wordpress.com/terms-condition/ Privacy Policy: https://ghapps1.wordpress.com/privacy-policy/

About

2FA Authenticator Code

This app securely stores and displays one-time verification codes for services like email and social media. It offers quick access to codes with a visual timer and automatic refresh, and supports adding services via QR scan or manual entry. Enhanced security features include optional PIN access and code hiding.

Highlights
  • Stores one-time verification codes
  • Visual timer for code refresh
  • Automatic code refresh every 30 seconds
  • Add services via QR code scan
  • Add services via manual entry
  • Optional PIN access for app security
  • Hide codes on app launch (Premium)
Features
Read full description

2FA Authenticator Code is a secure and simple authenticator app for storing and displaying one-time verification codes (2FA) used to sign in to services such as email, social networks, and work tools. Keep all your verification codes in one place and access them quickly whenever you need to confirm your identity. AUTHENTICATION CODES: One-Time Codes List 1. View all connected services on the main screen 2. See the current six-digit verification code for each service 3. Visual timer shows when the code will refresh 4. Tap the code to copy it instantly 5. Automatic code refresh approximately every 30 seconds ADD SERVICES QR Code Scan Scan a QR code provided by a service to add it automatically Manual Entry Add a service using a simple form Required fields: service name and secret key Manage Services Remove any service from the list at any time APP SECURITY PIN Access – Optional PIN code to open the app – Automatic locking after the app is minimized – PIN code can be changed at any time Hide Codes on Launch – Option to hide one-time codes when opening the app – Codes are shown only after user confirmation or tapping “Show” Clipboard Auto-Clear – Automatically removes copied codes from the clipboard after 30 seconds – Works in the background with no extra actions Free & Premium Free Version • Add up to 5 services • Hiding codes on app launch is not available • Automatic clipboard code removal is not available Premium Version • Unlimited services • Hide one-time codes when opening the app • Automatic removal of copied codes from the clipboard Privacy Policy: https://docs.google.com/document/d/13Cz3AQKssRyE7-XMr8Jx-wLdWDuDQCS-mIhVxU46ZrI/edit?usp=sharing Terms & Conditions: https://docs.google.com/document/d/15MxMHyOxkAqKQxhvpKWypDxBLpxMgwsik6cO3Wltxwo/edit?usp=sharing

Screenshots

Decibel Sound Meter3 screens
2FA Authenticator Code4 screens

Verdict

The call

The clearest difference is ads: 2FA Authenticator Code at none against Decibel Sound Meter's shown. 2FA Authenticator Code also leads on update cadence (every 5 weeks vs every 4 months) and rating (5.0 vs 4.8). Decibel Sound Meter's advantage is ratings volume (4 vs 1). On price, in-app purchases, monetization model 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 Sound Meter sells 3 in-app purchases, starting at $0.99 per 7 days and 2FA Authenticator Code sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

2FA Authenticator Code holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

UpkeepUpdate frequency

Decibel Sound Meter ships an update every 4 months, 2FA Authenticator Code every 5 weeks. The most recent releases landed on September 18, 2026 and September 12, 2026 respectively.

Scorecard4 real differences · 6 level
Decibel Sound Meter versus 2FA Authenticator Code: the parameters behind the verdict, then further details
ParameterDecibel Sound Meter2FA Authenticator Code
PriceFreeFree
Rating4.8 (4 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings4 — better1
Update frequencyEvery 4 monthsEvery 5 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad — betteriPhone
Requires iOS17.017.0
Further details — not scored
Size9 MB10 MB
Age rating4+4+
DeveloperGrima HdezFUTUREFOOD LLC

Customer experience

Decibel Sound Meter

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

2FA Authenticator Code

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Decibel Sound Meter

Subscriptions3
  • Decibel PRO week sub$0.997 Days
  • Decibel PRO mounth sub$1.991 Month
  • Decibel PRO year sub$17.991 Year
3 purchases

2FA Authenticator Code

Subscriptions2
  • Authenticator Premium$4.997 Days
  • 2FA Authenticator Premium3 Days trial$4.997 Days
One-time1
  • 2FA Authenticator Lifetime$119.99

Questions

Is Decibel Sound Meter free?
Decibel Sound Meter is free to download, with in-app purchases available.
Is 2FA Authenticator Code free?
2FA Authenticator Code is free to download, with in-app purchases available.
Which has better reviews, Decibel Sound Meter or 2FA Authenticator Code?
2FA Authenticator Code is rated higher. Decibel Sound Meter averages 4.8 out of 5 from 4 ratings, while 2FA Authenticator Code averages 5.0 from 1 ratings.
Do Decibel Sound Meter or 2FA Authenticator Code have ads?
Decibel Sound Meter shows ads; 2FA Authenticator Code does not.
Which is updated more often, Decibel Sound Meter or 2FA Authenticator Code?
Decibel Sound Meter ships an update every 4 months, and 2FA Authenticator Code every 5 weeks. Most recently, Decibel Sound Meter was updated on September 18, 2026 and 2FA Authenticator Code on September 12, 2026.

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