Comparison

SoundAnalysis vs DecibelLab

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

Head to head
About

SoundAnalysis

Features
Read full description

Sound Analysis is an advanced spectrum analyser and ambient noise measurement tool. This tool offers detailed and customisable frequency analysis. Key features: - Analysis bands: choice between octave bands (1/1, 1/3, 1/6) and narrow bands. - Weightings: Includes A-weighting (simulates the human ear) and Z-weighting (linear measurement) for results compliant with standards. - Time modes: Instantaneous, Fast (125 ms) and Slow (1 s) to accurately capture sound dynamics. - Scaling: Automatic or manual for optimal spectrum visualisation, even with significant variations. - Calibration: Adjustment of the microphone’s overall level.

About

DecibelLab

Features
Read full description

DecibelLab is a professional-grade noise measurement and analysis tool that turns your iPhone into a portable sound level meter. Whether you're an audio engineer, a construction safety supervisor, or an everyday user concerned about hearing health, DecibelLab provides precise noise data. ◆ REAL-TIME DECIBEL MEASUREMENT • 0-130 dB wide-range detection with real-time response • dBA / dBC / dBZ three frequency weightings • Slow / Fast / Ultra-fast response modes • Five visualizations: Waveform, Bar Chart, Gauge, Heatmap, Radar ◆ FFT SPECTRUM ANALYSIS • Octave / 1/3 Octave / FFT three display modes • Real-time dominant frequency identification and musical note display • Peak hold function ◆ NOISE DOSIMETER • NIOSH (85dB/3dB) and OSHA (90dB/5dB) dual standards • NC/NR spectrum-based environmental acoustic rating • TWA time-weighted average and 8-hour dose percentage • Real-time hearing protection risk assessment ◆ INSTADECIBEL CAMERA • Real-time decibel data overlaid on camera feed • Capture photos and videos with measurements burned into output • Front/rear camera switching with auto-focus ◆ PROFESSIONAL REPORT EXPORT • PDF detailed report (with timeline, distribution chart, configuration info) • PNG high-resolution screenshot (social sharing) • CSV raw data (Excel / Numbers analysis) ◆ NOISE ALERTS & PROTECTION • Custom dB threshold alerts (vibration + flash + push notification) • Auto-trigger recording 10 seconds before and after • Decibel reference guide (0-140 dB noise level descriptions) ◆ MORE FEATURES • Recording history management with audio playback • GPS location tagging for measurements • Dark / Light theme • Background continuous monitoring • 21 languages supported Reference Standards: IEC 61672 / ANSI S1.4 Data Security: All measurement data is stored only on your device Terms of Use: https://tootoostudio.github.io/decibellab-legal/terms-of-use.html Privacy Policy: https://tootoostudio.github.io/decibellab-legal/privacy-policy.html

Screenshots

SoundAnalysis4 screens
DecibelLab4 screens

Verdict

The call

The clearest difference is in-app purchases: SoundAnalysis at none against DecibelLab's 2. DecibelLab's advantage is update cadence (every 2 days vs fortnightly). 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. DecibelLab sells 2 in-app purchases, starting at $14.99 per year. SoundAnalysis asks for nothing beyond the download.

UpkeepUpdate frequency

SoundAnalysis ships an update fortnightly, DecibelLab every 2 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 4 level
SoundAnalysis versus DecibelLab: the parameters behind the verdict, then further details
ParameterSoundAnalysisDecibelLab
PriceFreeFree
Update frequencyFortnightlyEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhoneiPhone
Requires iOS17.6 — better18.0
Further details — not scored
Size3 MB15 MB
Age rating4+4+
DeveloperFabien Lepercque永芳 徐

In-app purchases

None

SoundAnalysis

No in-app purchases

2 purchases

DecibelLab

Subscriptions1
  • PRO Annual3 Days trial$14.991 Year
One-time1
  • PRO 终身版$19.99

Questions

Is SoundAnalysis free?
SoundAnalysis is free to download, with no in-app purchases.
Is DecibelLab free?
DecibelLab is free to download, with in-app purchases available.
Do SoundAnalysis or DecibelLab have ads?
Neither SoundAnalysis nor DecibelLab shows ads.
Which is updated more often, SoundAnalysis or DecibelLab?
SoundAnalysis ships an update fortnightly, and DecibelLab every 2 days. Most recently, SoundAnalysis was updated on October 25, 2026 and DecibelLab on October 24, 2026.

Other comparisons