SimpleFFT vs AudioAnalyzerHT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SimpleFFT
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This app can easily analyze the frequency of sound. For the sound of the recording file recorded at each refresh time interval, FFT is executed and displayed for the four voices collected one after another at each refresh interval.
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
Screenshots
Verdict
The clearest difference is ads: AudioAnalyzerHT at none against SimpleFFT's shown. On price, update cadence, 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. SimpleFFT sells 1 one-off in-app purchase and AudioAnalyzerHT sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
SimpleFFT ships an update every 18 months, AudioAnalyzerHT every 11 months. The most recent releases landed on October 10, 2026 and September 25, 2026 respectively.
| Parameter | SimpleFFT | AudioAnalyzerHT |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 18 months | Every 11 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 5 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | HIROFUMI MARUO | HTLab |
In-app purchases
SimpleFFT
- Premium Functions$0.49
AudioAnalyzerHT
- PremiumPlan$0.99
