Comparison

EMF Detector vs Harp Level

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

Head to head
About

EMF Detector

Transform your iPhone into an EMF detector to monitor electromagnetic fields. Identify radiation levels in various environments to assess safety at home, work, or in public spaces. Gain insights to make informed decisions about your surroundings.

Highlights
  • EMF monitoring
  • Electromagnetic field detection
  • Radiation level measurement
  • Environmental safety assessment
  • Real-time EMF readings
Features
Read full description

Monitor your surroundings with precision using our EMF Monitoring app, designed exclusively for iOS. This innovative application transforms your iPhone into a powerful EMF detector, enabling you to identify electromagnetic fields in various environments. As you move through different areas, the app continuously measures EMF levels, allowing you to easily pinpoint zones of high and low radiation. Whether you're concerned about safety at home, in the workplace, or in public areas, EMF Monitoring provides the insights you need to assess environmental safety and make informed decisions about your surroundings. This app is using the standard Apple Terms of Use (EULA) https://www.apple.com/legal/ internet-services/itunes/dev/stdeula/

About

Harp Level

Features
Read full description

Check your harp playing level and evaluate with a score

Screenshots

EMF Detector3 screens
Harp Level1 screens

Verdict

The call

The clearest difference is in-app purchases: Harp Level at none against EMF Detector's 3. EMF Detector's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.8.3). 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 Detector sells 2 in-app purchases, starting at $4.99 per month. Harp Level asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 13, 2026 and September 29, 2026 respectively.

Scorecard3 real differences · 7 level
EMF Detector versus Harp Level: the parameters behind the verdict, then further details
ParameterEMF DetectorHarp Level
PriceFreeFree
Rating4.3 (319 ratings) — better—
Positive reviews25.0% of reviews—
Number of ratings319 — better—
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.8.3
Further details — not scored
Size11 MB39 MB
Age rating4+4+
Developer新雨 李Hideaki Uchikoshi

In-app purchases

2 purchases

EMF Detector

Subscriptions1
  • unlimited features2 variants$4.991 Month
One-time1
  • unlimited features$14.99
None

Harp Level

No in-app purchases

Questions

Is EMF Detector free?
EMF Detector is free to download, with in-app purchases available.
Is Harp Level free?
Harp Level is free to download, with no in-app purchases.
Do EMF Detector or Harp Level have ads?
Harp Level shows ads; EMF Detector does not.
Which is updated more often, EMF Detector or Harp Level?
EMF Detector ships an update every 2 weeks, and Harp Level every 2 weeks. Most recently, EMF Detector was updated on October 13, 2026 and Harp Level on September 29, 2026.

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