Comparison

EMF Scan vs Noise Level Meter

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

Head to head
About

EMF Scan

Features
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Measure electromagnetic fields (EMF) in real time using your smartphone's built-in magnetic sensor. [Key Features] • Real-time magnetic field strength display (switch between µT / mG) • Automatic saving of measurement data and history management • Map view of measurement locations • Sound alarm (volume changes with field strength) • Color themes (11 in total — dark and light pastel) • Ad-removal option (one-time purchase; also unlocks some color themes) [Great For] • Anyone concerned about magnetic fields around home appliances or power lines • Anyone who wants an easy alternative to a dedicated EMF meter • Anyone who wants to record and manage measurement data * This app uses your smartphone's magnetic sensor. Its accuracy differs from that of a dedicated measuring instrument.

About

Noise Level Meter

Features
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SoundScope turns your iPhone into a polished sound level meter and frequency analyzer—built for quick, clear measurements with a premium dark interface. MEASURE SOUND INSTANTLY • Live decibel meter with a responsive circular gauge • A, C, and Z frequency weightings • Peak hold and real-time level readout • Calibration offset for relative accuracy SEE THE FREQUENCY SPECTRUM • Live FFT spectrum analyzer • Octave-band visualization • Dominant frequency detection SAVE AND REVIEW SESSIONS • Record measurement sessions to History • Session detail charts for min, max, and average levels • Optional location tags for sessions • Export PDF reports and share with the system share sheet DESIGNED FOR EVERYDAY USE Whether you're checking apartment noise, dialing in a home theater, practicing music, or just curious about the sound around you—SoundScope makes measurement simple and beautiful. Note: SoundScope is a consumer sound analysis tool and is not a substitute for a calibrated laboratory SPL meter. Privacy Policy: https://storepal.app/soundscope/privacy Terms of Use: https://storepal.app/soundscope/terms

Screenshots

EMF Scan4 screens
Noise Level Meter4 screens

Verdict

The call

The clearest difference is in-app purchases: Noise Level Meter at none against EMF Scan's 1. Noise Level Meter also leads on ads (none vs shown). EMF Scan's advantage is iOS requirement (13.0 vs 18.0). On price, update cadence 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. EMF Scan sells 1 one-off in-app purchase. Noise Level Meter asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. Both last shipped on October 14, 2026.

Scorecard3 real differences · 3 level
EMF Scan versus Noise Level Meter: the parameters behind the verdict, then further details
ParameterEMF ScanNoise Level Meter
PriceFreeFree
Update frequencyWeeklyWeekly
AdsYesNo — better
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better18.0
Further details — not scored
Size29 MB18 MB
Age rating4+4+
DeveloperYasuhiro KodamaKostiantyn Liubevych

In-app purchases

1 purchases

EMF Scan

One-time1
  • 広告を削除$0.99
None

Noise Level Meter

No in-app purchases

Questions

Is EMF Scan free?
EMF Scan is free to download, with in-app purchases available.
Is Noise Level Meter free?
Noise Level Meter is free to download, with no in-app purchases.
Do EMF Scan or Noise Level Meter have ads?
EMF Scan shows ads; Noise Level Meter does not.
Which is updated more often, EMF Scan or Noise Level Meter?
EMF Scan ships an update weekly, and Noise Level Meter weekly. Most recently, EMF Scan was updated on October 14, 2026 and Noise Level Meter on October 14, 2026.

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