AudioAnalyzerHT vs EMF Scan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AudioAnalyzerHT
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iPhoneのマイクや音声入力機器より集音した音声をリアルタイムで波形・周波数スペクトラムグラフ・周波数スペクトラムタイムライン表示します 主な機能 • iPhoneマイクや他の音声入力された音声をリアルタイムで波形表示 • 周波数毎に音量をグラフ表示する周波数スペクトラム表示 • 周波数毎に音量を色で表現し、時間軸をスクロールさせる周波数スペクトラムタイムライン表示 14日間のトライアル期間は全機能を試すことが出来ます 14日以降は測定30秒毎にプレミアムプランの案内が表示されます プレミアムプランを購入頂くと案内は表示されなくなります
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: AudioAnalyzerHT at none against EMF Scan's shown. EMF Scan's advantage is update cadence (weekly vs every 11 months) and iOS requirement (13.0 vs 16.6). 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. AudioAnalyzerHT sells 1 one-off in-app purchase and EMF Scan sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
AudioAnalyzerHT ships an update every 11 months, EMF Scan weekly. The most recent releases landed on September 25, 2026 and September 10, 2026 respectively.
| Parameter | AudioAnalyzerHT | EMF Scan |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 months | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | HTLab | Yasuhiro Kodama |
In-app purchases
AudioAnalyzerHT
- PremiumPlan$0.99
EMF Scan
- 広告を削除$0.99
Questions
Is AudioAnalyzerHT free?
Is EMF Scan free?
Do AudioAnalyzerHT or EMF Scan have ads?
Which is updated more often, AudioAnalyzerHT or EMF Scan?
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