Comparison

いわぽんReader vs EMF Detector (Scanner)

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

Head to head
About

いわぽんReader

Features
Read full description

■飛び出す映像  「いわぽんReader」は、「南極探見500日 岩手日報特別報道記録集」で楽しむことができるスマートフォン向けのアプリです。南極探見500日に掲載されているアイコンをアプリで読み取ると、さまざまな映像がスマートフォンからご覧いただけます。

About

EMF Detector (Scanner)

Visualize electromagnetic field activity using your device's magnetometer. Monitor real-time changes with clear graphs and history logs. Useful for checking electronics and exploring magnetic environments.

Highlights
  • Real-time EMF meter
  • Live waveform and graph views
  • FFT frequency analysis
  • Signal change detection
  • Measurement history
  • Export options (PDF, video)
  • Interactive sound effects
Features
Read full description

EMF Detector helps you visualize Electromagnetic Field (EMF) activity around you using your iPhone’s built-in magnetometer. Whether you are checking electronics, exploring your environment, or tracking unusual magnetic changes, EMF Detector provides a clear and easy-to-read real-time experience. KEY FEATURES • Real-time EMF meter with smooth, responsive updates • Live waveform and graph views for continuous monitoring • FFT view to inspect frequency components of signal changes • Signal change detection to catch sudden spikes and drops • Measurement history so you can review previous sessions • Export options (such as PDF and video capture) for sharing and reporting • Sound effects and feedback options for interactive monitoring • Clean, intuitive interface designed for quick readings USE CASES • Scan around household electronics • Compare magnetic activity in different rooms • Observe signal behavior near cables, adapters, and devices • Record and share findings for personal reference IMPORTANT NOTES • This app is for general informational and educational use. • Because this app uses your phone’s built-in sensors, readings may vary depending on your device specifications, device condition, and surrounding environment; use all measurements for reference only. Upgrade options may be available for additional features and an enhanced experience.

Screenshots

いわぽんReader3 screens
EMF Detector (Scanner)4 screens

Verdict

The call

The clearest difference is in-app purchases: いわぽんReader at none against EMF Detector (Scanner)'s 2. いわぽんReader also leads on ads (none vs shown) and device support (3 vs 1). EMF Detector (Scanner)'s advantage is update cadence (weekly vs every 2 months). On price 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 (Scanner) sells 2 one-off in-app purchases. いわぽんReader asks for nothing beyond the download.

UpkeepUpdate frequency

いわぽんReader ships an update every 2 months, EMF Detector (Scanner) weekly. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
いわぽんReader versus EMF Detector (Scanner): the parameters behind the verdict, then further details
ParameterいわぽんReaderEMF Detector (Scanner)
PriceFreeFree
Rating—1.0 (1 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 2 monthsWeekly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better17.6
Further details — not scored
Size71 MB6 MB
Age rating12+4+
Developer岩手日報社JongMin Lee

In-app purchases

None

いわぽんReader

No in-app purchases

2 purchases

EMF Detector (Scanner)

One-time2
  • 1 Month Premium Pass$0.99
  • 1 Year Premium Pass$2.99

Questions

Is いわぽんReader free?
いわぽんReader is free to download, with no in-app purchases.
Is EMF Detector (Scanner) free?
EMF Detector (Scanner) is free to download, with in-app purchases available.
Do いわぽんReader or EMF Detector (Scanner) have ads?
EMF Detector (Scanner) shows ads; いわぽんReader does not.
Which is updated more often, いわぽんReader or EMF Detector (Scanner)?
いわぽんReader ships an update every 2 months, and EMF Detector (Scanner) weekly. Most recently, いわぽんReader was updated on October 27, 2026 and EMF Detector (Scanner) on October 31, 2026.

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