Comparison

Decibel X vs SubArrayPro

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

Head to head
About

Decibel X

This tool transforms your device into a professional sound level meter, offering precise measurements of ambient noise. It features advanced calibration, frequency analysis, and data management for various applications, from personal curiosity to professional use.

Highlights
  • Pre-calibrated sound pressure level (SPL) measurements
  • Frequency weighting filters (dBA, dBC, ITU-R 468)
  • Apple Watch and Health App integration
  • History data management with export options
  • Dosimeter with NIOSH, OSHA standards
  • FFT and BAR graphs for real-time frequency analysis
  • InstaDecibel for sharing dB reports on photos
Features
Currently charting
Read full description

"Decibel X" is one of very few noise meter apps on the market that has highly reliable, pre-calibrated measurements and supports dBA, dBC. It turns your iOS device into a professional sound level meter, precisely measures the sound pressure level (SPL) all around you. This extremely useful and beautiful tool will not only be a great tool for many uses but also bring you a lot of fun. Have you wondered how quiet is your room or how loud is a rock concert or sport event? "Decibel X" will help you answer all of those. WHAT MAKE IT GREAT AND STAND OUT FROM OTHER APPS: - Trusted accuracy: the app is tested and pre calibrated for all Apple devices. The precision is matching with real SPL devices - Apple Watch support: see noise level right from your wrist - Health App integration: export noise levels directly into Health app - Frequency weighting filters: ITU-R 468, A, B, C, Z - Powerful, smart history data management: + Recording data can be saved into a list of history records for future access and analysis + Each record can be exported as hi-res PNG graph or CSV text via sharing services + iCloud support which synchronize all history records across your Apple devices + Fullscreen mode to give overview the whole history of an record - Dosimeter with NIOSH, OSHA standards - Powerful calibration: Linear, Octave 1/1, 1/3, Load/save profile - FFT and BAR graphs to display real time FFT. Those are very useful for frequency analysis and musical tests. Real time predominant frequency is also displayed. - InstaDecibel to capture your dB report overlaid on photos and easily shared via popular social networks (Facebook, Instagram, Messages, etc.). - Support Live Activity, Dynamic Island - Support both Portrait and Landscape layouts - Beautiful, intuitive and carefully crafted UI design. Themes: LIGHT, DARK and CLASSIC OTHER GREAT FEATURES: - Standard time weightings (Response Time): SLOW (500 milliseconds), FAST (200 milliseconds) AND IMPULSE (50 milliseconds) - MIC Gain Offset from -50 dB to 50 dB - Standard measurement range from 30 dBA up to 130 dBA - HISTO graph for plotted history of the recorded values - WAVE graph with 2 display modes: Rolling & Buffer - SPECTROGRAPH - Real time scale level chart - Display Current, Average/Leq, and Max values with both nice and clear digital and analog layouts - Quick reference text to help you compare with real-life examples NOTES: - Please do not expect a quiet room reading will be 0 dBA. The range 30-130 dBA is the standard usable range and an average quiet room will be about 30 dBA. - Although all devices are pre-calibrated, custom calibration is suggested for serious purposes requiring higher precision and accuracy. You will need a real external device or calibrated sound meter as a reference, then adjust the trimming calibration until the reading matches with the reference. * Privacy Policy: http://www.skypaw.com/decibelx/privacy_policy.html * EULA: http://www.skypaw.com/decibelx/terms.html

About

SubArrayPro

Features
Read full description

O SubArray Pro é uma ferramenta profissional para cálculo e montagem de arranjos de subwoofer em sistemas de sonorização. Desenvolvido para engenheiros de áudio, técnicos de PA e profissionais de eventos, o aplicativo permite calcular com precisão espaçamento, atraso e configurações ideais para diferentes tipos de arranjos. Principais recursos: • Cálculos automáticos baseados na frequência e temperatura • Diagramas claros para montagem dos sistemas • Suporte a diversos tipos de arranjos (Straight, End Fire, Cardioide, Gradient, R-45, R-90, entre outros) • Interface simples e rápida para uso em campo • Processamento totalmente offline (sem necessidade de internet) O SubArray Pro foi criado para agilizar decisões técnicas e garantir resultados consistentes em sistemas de som profissionais.

Screenshots

Decibel X4 screens
SubArrayPro4 screens

Verdict

The call

The clearest difference is in-app purchases: SubArrayPro at none against Decibel X's 5. Decibel X's advantage is chart position (#204 vs unranked). 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 X sells 5 in-app purchases, starting at $1.99 per 7 days. SubArrayPro asks for nothing beyond the download.

Scorecard2 real differences · 9 level
Decibel X versus SubArrayPro: the parameters behind the verdict, then further details
ParameterDecibel XSubArrayPro
PriceFreeFree
Rating4.6 (164K ratings) — better—
Positive reviews66.3% of reviews—
Number of ratings164K — better—
Update frequencyEvery 3 months—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
Best chart rank#204 — better—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS17.0 — better18.6
Further details — not scored
Size90 MB3 MB
Age rating4+4+
DeveloperSkyPaw Co., LimitedRafael Lins

Bugs and requests

Decibel X

Reported bugs

3 issues
  • App crashes when deleting recordings
  • Microphone issues on certain devices
  • Saved files not accessible after updates

Requested features

5 requests
  • Add GPS coordinates to recordings
  • Improve reporting and data export
  • Provide more weighting options
  • Extend frequency range
  • Allow music playback while using the app

SubArrayPro

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Decibel X

Subscriptions3
  • Weekly Membership$1.997 Days
  • Monthly Membership$5.991 Month
  • Annual Membership3 Days trial$49.991 Year
One-time2
  • ITU-R 468, A, B, C Weightings$1.99
  • Data Export$2.99
None

SubArrayPro

No in-app purchases

Questions

Is Decibel X free?
Decibel X is free to download, with in-app purchases available.
Is SubArrayPro free?
SubArrayPro is free to download, with no in-app purchases.
Do Decibel X or SubArrayPro have ads?
Neither Decibel X nor SubArrayPro shows ads.

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