fahrenheit sampler vs Feedback Trainer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
fahrenheit sampler
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誰でもテクノDJごっこができる!? ジョギングやエクササイズ、ダンスの練習にも テクノ系サウンドを収めた、iPhoneやiPadが、楽器のサンプラーのようになるアプリです。 再生速度も0.0から2.0まで、自由に替えられます。 「0.5」「1.0」「1.5」「2.0」の速度変更もワンタッチでできます。 9種類のリズムループ、オリジナル曲のループ9つ、幻想的なシンセフレーズ3つ、計20のサウンドを収録。 また、スライダーでお好みの速度に変更できるので、ジョギングやエクササイズ、ダンスの練習にも使えます。 もちろんバックグラウンド再生やオフタイマー機能もあります。 音楽や音が好きなお子様にも、音の出るおもちゃなアプリとしておすすめです。
Feedback Trainer
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A frequency ear training app for PA engineers and audio professionals. The ability to quickly identify problem frequencies that cause feedback is a skill built through experience. Train your ears with this app and sharpen your instincts for the stage and studio. Features Visual learning with a 31-band graphic EQ display Two modes: Phone-Friendly (100Hz–16kHz) and Full Range for external speakers (40Hz–16kHz) Hint mode for beginners Track your accuracy and progress history Available in Japanese, English, Chinese, French, and Spanish
Screenshots
Verdict
The clearest difference is ads: fahrenheit sampler at none against Feedback Trainer's shown. fahrenheit sampler also leads on iOS requirement (11.3 vs 16.6). Feedback Trainer's advantage is update cadence (every 2 weeks vs every 6 months). 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. Neither carries in-app purchases, so what you see is what you pay.
fahrenheit sampler ships an update every 6 months, Feedback Trainer every 2 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.
| Parameter | fahrenheit sampler | Feedback Trainer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.3 — better | 16.6 |
| Further details — not scored | ||
| Size | 157 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Kensuke Tsuzuki | Shunsuke Takasu |
In-app purchases
fahrenheit sampler
No in-app purchases
Feedback Trainer
No in-app purchases
Questions
Is fahrenheit sampler free?
Is Feedback Trainer free?
Do fahrenheit sampler or Feedback Trainer have ads?
Which is updated more often, fahrenheit sampler or Feedback Trainer?
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