iFansum Decibel Meter vs EMF Scan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iFansum Decibel Meter
Measure sound levels with this professional tool. It offers A/C/Z weighting and specialized low-frequency detection for various environments. Document noise issues with photos and location data, and export detailed reports.
- Low-frequency detection (1-100 Hz)
- A/C/Z weighting
- Unlimited audio/video recording
- Watermark camera with dB readings
- History and PDF export
- Privacy-focused, local data storage
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Decibel Meter — Professional Sound Level Analyzer Turn your iPhone into a professional sound level meter. Measure noise at home, work, or on the go. Get instant dB readings with A/C/Z weighting and low-frequency detection (1-100 Hz). Perfect for: • Apartment noise complaints — document with timestamps, photos, and location • Workplace safety — OSHA/NIOSH-compliant measurements • Low-frequency hums from HVAC, appliances, and equipment • Sleep environment monitoring Key Features: • Standard & Low-Frequency Modes: Detect 1-100 Hz hums often missed by standard meters • A/C/Z Weighting: A-weighting (human ear), C-weighting (environmental), Z-weighting (flat) • Unlimited Recording: Audio and video with no time limits — all stored locally • Watermark Camera: Auto-add dB readings, timestamp, and location to photos/videos • History & Export: Review past recordings and export PDF reports Privacy First: All data stays on your device. No account required. Nothing is uploaded. Pro features: Unlimited recording, full history, watermark camera, and PDF export. Contact: support@ifansum.com Privacy Policy: https://ifansum.com/apps/000001/privacy.html Terms of Service: https://ifansum.com/apps/000001/terms-of-service.html
EMF Scan
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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.
Screenshots
Verdict
The clearest difference is ads: iFansum Decibel Meter at none against EMF Scan's shown. iFansum Decibel Meter also leads on update cadence (every 2 days vs weekly). EMF Scan's advantage is iOS requirement (13.0 vs 15.0). On price, 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
Both are free to download. iFansum Decibel Meter sells 1 in-app purchase, starting at $3.99 per month and EMF Scan sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
iFansum Decibel Meter ships an update every 2 days, EMF Scan weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | iFansum Decibel Meter | EMF Scan |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 days — better | Weekly |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 105 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Xinyang iFansum Technology Co., Ltd. | Yasuhiro Kodama |
In-app purchases
iFansum Decibel Meter
- Decibel Meter - Monthly Premium$3.991 Month
EMF Scan
- 広告を削除$0.99
Questions
Is iFansum Decibel Meter free?
Is EMF Scan free?
Do iFansum Decibel Meter or EMF Scan have ads?
Which is updated more often, iFansum Decibel Meter or EMF Scan?
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