Comparison

EMF Detector (Scanner) vs Onkyo ear

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

Head to head
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.

About

Onkyo ear

Read full description

Onkyo earは、音・振動の収録、解析、管理を一体化した法人向け音検知システムです。 製造業、インフラ、設備保全、研究開発などの現場で取得した音や振動データを収録し、クラウド上で管理・分析することができます。 本アプリでは、音圧レベル測定、波形表示、FFT解析、1/1・1/3オクターブバンド分析、ジェネレーター(ノイズ・スイープ・トーン)、簡易校正(音圧レベル補正)、データ記録、写真添付、メモ登録、クラウドへのデータアップロードなどの機能を提供します。取得したデータは管理画面と連携し、組織内で共有・活用することが可能です。 サービスの利用をご希望の場合は、オンキヨー株式会社コーポレートサイトのお問い合わせフォームよりご連絡ください。契約内容や利用用途を確認のうえ、アカウント発行および利用開始をご案内いたします。  ・設備・機械の異常音検知  ・工場設備の状態監視  ・音響・振動データの収集・分析  ・インフラ設備の保守点検支援  ・音データの記録・共有・管理 ※利用可能な機能は、ご契約内容により異なる場合があります。 ---------------------------------------- 本アプリは、オンキヨー株式会社から「Onkyo ear」サービスの利用を承諾された利用者を対象としています。ただし、当該承諾を受けていない方であっても、本アプリの一部機能を利用することができます。 なお、オンキヨー株式会社は、承諾の有無を問わず、本アプリにおいて利用可能な機能の完全性、正確性、有効性その他一切の事項について保証するものではありません。 また、本アプリの利用により利用者に生じた損害について、オンキヨー株式会社は一切の責任を負いません。 ----------------------------------------

Screenshots

EMF Detector (Scanner)4 screens
Onkyo ear4 screens

Verdict

The call

The clearest difference is in-app purchases: Onkyo ear at none against EMF Detector (Scanner)'s 2. Onkyo ear also leads on ads (none vs shown). EMF Detector (Scanner)'s advantage is update cadence (weekly vs monthly). On price, device support and iOS requirement 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. Onkyo ear asks for nothing beyond the download.

UpkeepUpdate frequency

EMF Detector (Scanner) ships an update weekly, Onkyo ear monthly. The most recent releases landed on October 31, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
EMF Detector (Scanner) versus Onkyo ear: the parameters behind the verdict, then further details
ParameterEMF Detector (Scanner)Onkyo ear
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyWeekly — betterMonthly
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone
Requires iOS17.616.0 — better
Further details — not scored
Size6 MB33 MB
Age rating4+4+
DeveloperJongMin LeeOnkyo Corporation

In-app purchases

2 purchases

EMF Detector (Scanner)

One-time2
  • 1 Month Premium Pass$0.99
  • 1 Year Premium Pass$2.99
None

Onkyo ear

No in-app purchases

Questions

Is EMF Detector (Scanner) free?
EMF Detector (Scanner) is free to download, with in-app purchases available.
Is Onkyo ear free?
Onkyo ear is free to download, with no in-app purchases.
Do EMF Detector (Scanner) or Onkyo ear have ads?
EMF Detector (Scanner) shows ads; Onkyo ear does not.
Which is updated more often, EMF Detector (Scanner) or Onkyo ear?
EMF Detector (Scanner) ships an update weekly, and Onkyo ear monthly. Most recently, EMF Detector (Scanner) was updated on October 31, 2026 and Onkyo ear on November 3, 2026.

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