Comparison

MDX Player vs FrequencyCat

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

Head to head
About

MDX Player

This app plays MDX music files, a format popular with the SHARP X68000 computer series. It supports background playback, remote control, and loop play, allowing you to relive classic computer music.

Highlights
  • MDX file playback
  • Background playback
  • Remote control support
  • Loop playback
  • Dropbox access
  • Bundled sample sound
Features
Read full description

MDX Player for iOS 1980年代後半〜1990年代にかけて、一部で熱狂的な支持を得た "パーソナルワークステーション" SHARP X68000シリーズ。 X68000シリーズ用の高性能な内蔵音源ドライバとして広く普及したMXDRV。 MXDRV用の音楽データMDX。MDXは演奏データを収録した拡張子.mdxのファイル。 再生に必要なPCMデータを収録した拡張子.pdxのファイルを伴うこともあります。 MDX Player for iOSは、そのMDXの再生に対応したプレイヤーです。 MDXはパソコン通信を媒介として、その数60,000とも言われるほど大量に作られ、流通しました。 伝説的なデータが、今なおその作者のハンドル名と共に、インターネット上に残されています。 * バッググラウンドプレイ * リモートコントロール * ループプレイ * Dropboxアクセス サンプルサウンドとして X68030のテーマ (C) moyashi (hitoriblog.com) をバンドルしています! あの当時を思い出しながら、押入れに眠っているかもしれない5inchフロッピーやMOディスクを掘り出しましょう。

About

FrequencyCat

Transform your photos into unique sound art using advanced image-to-sound technology. Explore, enjoy, and share your creative audio-visual pieces. Embrace your inner artist and discover the unexpected.

Highlights
  • Morph images into sound art
  • Create spectrogram oddities
  • Share sound art creations
  • Unique audio-visual experience
Features
Read full description

Hide an image inside sound. FrequencyCat is a playful tool for exploring the connection between images, sound, and spectrograms. Choose an image, and FrequencyCat transforms it into a unique audio signal. Play the sound and view its spectrogram, and you’ll see the original image emerge again from the frequencies. With FrequencyCat, you can: - Turn images into sound - View audio spectrograms in real time - Play sounds and reveal the images hidden inside them - Explore how different images create different sounds - Discover the relationship between sound, frequency, and Fourier transforms in an intuitive way There’s no magic behind it. Just frequencies, phases, an inverse Fourier transform, and a little curiosity about sound. Whether you’re interested in acoustics, music, signal processing, or simply wondering what an image might sound like, FrequencyCat gives you a new way to explore. Pick an image. Hear what it sounds like.

Screenshots

MDX Player2 screens
FrequencyCat3 screens

Verdict

The call

The clearest difference is update cadence: MDX Player at every 15 months against FrequencyCat's every 40 months. MDX Player also leads on device support (3 vs 1). On price, review sentiment, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

MDX Player ships an update every 15 months, FrequencyCat every 40 months. The most recent releases landed on September 17, 2026 and September 4, 2026 respectively.

Scorecard2 real differences · 8 level
MDX Player versus FrequencyCat: the parameters behind the verdict, then further details
ParameterMDX PlayerFrequencyCat
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews95.0% of reviews100.0% of reviews — better
Number of ratings—1 — better
Update frequencyEvery 15 months — betterEvery 40 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better16.0
Further details — not scored
Size13 MB3 MB
Age rating4+4+
DeveloperNagisaWorks, K.K.Xuesong Zhang

Customer experience

MDX Player

Written reviews20 reviews
Positive95.0%
Neutral5.0%
Negative0.0%

FrequencyCat

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

MDX Player

No in-app purchases

None

FrequencyCat

No in-app purchases

Questions

Is MDX Player free?
MDX Player is free to download, with no in-app purchases.
Is FrequencyCat free?
FrequencyCat is free to download, with no in-app purchases.
Do MDX Player or FrequencyCat have ads?
Neither MDX Player nor FrequencyCat shows ads.
Which is updated more often, MDX Player or FrequencyCat?
MDX Player ships an update every 15 months, and FrequencyCat every 40 months. Most recently, MDX Player was updated on September 17, 2026 and FrequencyCat on September 4, 2026.

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