Comparison

Sound Level Analyzer vs RF Tools ++

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

Head to head
About

Sound Level Analyzer

This app measures sound levels and provides advanced frequency analysis tools. It's useful for various applications, from ambient noise checks to audio system testing and live event analysis. Features include real-time spectrum analysis and FFT capabilities.

Highlights
  • Sound level measurement (Leq, Min, Max, Avg)
  • Frequency weighting (A, C, Z)
  • Time weighting (Fast, Slow)
  • Real-time frequency spectrum analyzer (RTA)
  • FFT analysis
  • Calibration and measurement timer
  • Snapshot saving
Read full description

"Sound Level Analyzer" is the standard sound level measurement app with sound frequency analysis tools. It is available for a wide variety of applications, such as measuring ambient noise in neighborhoods, testing audio systems, checking interior noise in vehicles, checking sound at live events, and much more. "Sound Level Analyzer" has additional analysis features, which are time graph, real-time frequency spectrum analyzer (RTA) and FFT analyzer. It can be used to analyze sound source characteristics. Features: # Measurement and Analysis functions Main (Leq): Sound level measurement (real-time display) - Sound level measurement (dB): Leq (equivalent noise level), Min (minimum value), Max (maximum value), Avg (time average equivalent noise level) - Frequency weighting correction characteristics: A (for noise level meter), C (for sound level measurement), Z (no correction) - Time weighting characteristics: Fast = 0.125 sec, Slow = 1.0 sec Power Spectrum (P.S.): View of frequency spectrum analysis (real time display) - Spectrum analyzer function: FFT analysis, 1/3-octave band response analysis. - FFT frequency range settings: 100Hz - 20kHz (FFT all) / 100Hz - 3kHz / 3k - 6kHz - Measured value display function in 1/3 oct band response analysis. (OctVal) - Power spectrum display function at the time of occurrence of Max. (Display Max) # Control functions - Calibration: level correction value setting, -20 to +20dB - Measurement timer: 1 minute / 5 minutes / 10 minutes / 15 minutes / 20 minutes / 30 minutes / 1 hours - Snapshot (Snap): Save measurement display with time stamp to Photos. Applications: - Live Sound - Environmental noise measurement - Installation of audio equipment - Tuning of audio equipment - Architectural acoustics - Broadcast - Device management Example of the noise level situation: - 130dB: Engine sound of Airplane - 110dB: Horn of Car - 100dB: Noise of passing train - 90dB: In loud factory - 80dB: In the train, Vacuum cleaner - 70dB: Noisy office, Noisy Street - 60dB: Quiet Car, Normal conversation - 50dB: Quiet office - 40dB: In the library, Quiet residential area - 30dB: Outskirts of midnight, Whisper - 20dB: Sounds of rubbing leaves Note: The first time the app accesses the built-in microphone and Photos after installation, the iOS system will ask you for permission to access them. If you have not enabled this setting, the application will not be able to access them due to iOS system privacy restrictions. Please enable the access permission in the iOS setting "Settings > Privacy & Security > Photos or Microphone". Please visit our iOS app support page for more information on this app.

About

RF Tools ++

Features
Read full description

RF Tools provides essential utilities for RF and link budget calculations including: Antenna Factor, Field Intensity, Phase, Time Delay, Wavelength, Cable Calculator, Cable Loss, Cable K1 K2 estimator, dBm/Watts conversions, dBµA/Amps conversions, dBµV/Volts conversions, Gain conversions, Power conversions, Free Space Loss, VHF/UHF Line of Sight, Fade Margin, Link Margin, Radar Max/Min Range, VSWR/Power/Return Loss Conversions, Radar Equation Solver and several reference items. The cable loss tool includes generic cables and many cables from Andrew, Beiden, Harbour Industries, Huber+Suhner, IW-Microwave, MegaPhase, Micro-Coax, PIC Wire & Cable, Times Microwave and Webro. Calculations are added regularly

Screenshots

Sound Level Analyzer4 screens
RF Tools ++4 screens

Verdict

The call

The clearest difference is update cadence: RF Tools ++ at every 2 weeks against Sound Level Analyzer's every 7 months. RF Tools ++ also leads on price ($1.99 vs $7.99) and iOS requirement (17.0 vs 26.2). 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

Sound Level Analyzer costs $7.99 and RF Tools ++ $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Sound Level Analyzer ships an update every 7 months, RF Tools ++ every 2 weeks. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

Scorecard3 real differences · 7 level
Sound Level Analyzer versus RF Tools ++: the parameters behind the verdict, then further details
ParameterSound Level AnalyzerRF Tools ++
Price$7.99$1.99 — better
Rating3.5 (2 ratings) — better—
Positive reviews83.3% of reviews—
Number of ratings2 — better—
Update frequencyEvery 7 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhoneiPhone, iPad — better
Requires iOS26.217.0 — better
Further details — not scored
Size1 MB42 MB
Age rating4+4+
DeveloperTOON,LLCJeff Curtis

In-app purchases

None

Sound Level Analyzer

No in-app purchases

None

RF Tools ++

No in-app purchases

Questions

Is Sound Level Analyzer free?
Sound Level Analyzer costs $7.99, with no in-app purchases.
Is RF Tools ++ free?
RF Tools ++ costs $1.99, with no in-app purchases.
Do Sound Level Analyzer or RF Tools ++ have ads?
Neither Sound Level Analyzer nor RF Tools ++ shows ads.
Which is updated more often, Sound Level Analyzer or RF Tools ++?
Sound Level Analyzer ships an update every 7 months, and RF Tools ++ every 2 weeks. Most recently, Sound Level Analyzer was updated on October 6, 2026 and RF Tools ++ on October 9, 2026.

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