Comparison

Sound Level Meter vs TempCalc

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

Head to head
About

Sound Level Meter

Features
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Measure noise like a pro — straight from your iPhone. Sound Level Meter: Decibel turns your iPhone into a precision SPL meter, engineered to the IEC 61672-1 international standard. Protect your hearing, document a noise complaint, tune a studio, or pre-check a workplace - reliable readings in seconds, clean A4 PDF reports in one tap. KEY FEATURES • Real-time dB readings with A, C and Z weighting — switch on the fly • Fast (125 ms), Slow (1 s) and Impulse time integration — the modes pros use • 1/3-octave frequency analysis • Multiple live visualizations: histogram, gauge, circle meter, applause meter, basic graph • All metrics in one place: LAeq, Min, Max, Avg, Peak • Save full measurement sessions with timeline, location and notes • Calibration screen for fine-tuning against any reference meter • Available in English, French, German, Spanish, Italian, Japanese, Chinese • Distraction-free dark interface focused entirely on your data DESIGNED FOR ACCURACY Sound Level Meter: Decibel follows the IEC 61672-1 sound level meter specification: • True biquad-cascade A and C weighting filters — not generic high/low-pass approximations • Exponential averaging on squared pressure (the correct method) • Per-device calibration based on the iPhone hardware actually in use • User-adjustable offset to align with any reference meter or calibrator IDEAL FOR • Audio engineers tuning studios, venues and rehearsal spaces • Workplace safety pre-checks before a formal acoustic survey • Musicians, DJs and podcasters watching their hearing exposure • Parents monitoring nursery or kids' bedroom noise levels • Tenants documenting noise from neighbors, traffic or construction • Anyone serious about long-term hearing health FAQ How accurate is it? After one-time calibration against a known reference, expect 2–3 dB of typical accuracy in the 40–95 dB range. Maximum measurable level is bounded by your iPhone hardware (around 104–110 dB). Does it replace a certified sound level meter? For monitoring, awareness and personal documentation: yes. For legally certified acoustic measurements, dedicated class 1/2 hardware remains the reference. Can I export my measurements? Every saved session generates an A4 PDF with full stats and the timeline graph. Print it, email it, AirDrop it — anywhere PDFs work. Why do I see different values than another decibel app? iPhone microphone sensitivity varies between models, and each app handles calibration differently. Use the built-in calibration screen to align with a trusted reference. How is my data handled? Sessions are stored locally on your iPhone. Nothing is uploaded — your acoustic data stays yours. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://sonometredecibelmeter.blogspot.com

About

TempCalc

Features
Read full description

TempCalc es una herramienta profesional para la prevención del estrés térmico en trabajadores agrícolas. Permite registrar de forma rápida y sencilla las condiciones ambientales de cada jornada: temperatura, humedad y tipo de trabajo, calculando automáticamente el nivel de riesgo según los estándares de salud laboral. Los datos se envían directamente al responsable de la empresa para su seguimiento y control. Características principales: • Registro de temperatura y humedad ambiental • Clasificación por tipo de trabajo y ubicación • Envío automático de datos al responsable • Historial de los últimos registros enviados • Modo claro y oscuro • Acceso seguro con credenciales de empresa

Screenshots

Sound Level Meter4 screens
TempCalc4 screens

Verdict

The call

The clearest difference is in-app purchases: TempCalc at none against Sound Level Meter's 3. TempCalc also leads on ads (none vs shown) and update cadence (weekly vs every 12 months). On price 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. Sound Level Meter sells 3 in-app purchases, starting at $1.99 per 7 days. TempCalc asks for nothing beyond the download.

UpkeepUpdate frequency

Sound Level Meter ships an update every 12 months, TempCalc weekly. The most recent releases landed on June 5, 2026 and September 18, 2026 respectively.

Scorecard4 real differences · 2 level
Sound Level Meter versus TempCalc: the parameters behind the verdict, then further details
ParameterSound Level MeterTempCalc
PriceFreeFree
Update frequencyEvery 12 monthsWeekly — better
AdsYesNo — better
In-app purchasesYesNo — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS1613.0 — better
Further details — not scored
Size35 MB19 MB
Age rating4+4+
DeveloperRaphael GoupilleJesus Alcaraz Gomez

In-app purchases

3 purchases

Sound Level Meter

Subscriptions3
  • Weekly Subscription$1.997 Days
  • Monthly subscription$5.991 Month
  • Annual subscription$24.991 Year
None

TempCalc

No in-app purchases

Questions

Is Sound Level Meter free?
Sound Level Meter is free to download, with in-app purchases available.
Is TempCalc free?
TempCalc is free to download, with no in-app purchases.
Do Sound Level Meter or TempCalc have ads?
Sound Level Meter shows ads; TempCalc does not.
Which is updated more often, Sound Level Meter or TempCalc?
Sound Level Meter ships an update every 12 months, and TempCalc weekly. Most recently, Sound Level Meter was updated on June 5, 2026 and TempCalc on September 18, 2026.

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