Comparison

MDX Player vs KG

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

KG

Features
Read full description

[From '80s Legend to Modern Era: Put the Feel of Authentic Hardware in Your Hands] "KG-SQUARE" is an analog modeling synthesizer app that packs the aesthetics and intuitive operation of professional hardware into an iPhone-sized format. While inheriting the simplicity of its predecessor, "FX-SQUARE," this version delivers a massive upgrade to both its sound engine and UI. From thick, punchy synth basses to dreamlike, immersive pads, it features a wide range of high-quality tones ready to elevate modern music production. ◆ Key Features Highly Immersive Hardware-Style UI: Designed with lifelike 3D knobs and LED indicators, giving you the professional feel and excitement of tweaking real gear. KAOSS PHYSICS (XY Pad): Simply glide your finger across the right-side pad to dynamically control Cutoff, Resonance, and effects. Create sweeping, space-like tonal shifts in real time as you play. Two Powerful Effects: Equipped with "REVERB" for deep spatial warmth and "DELAY" to add movement to your echoes. Seamlessly blend them using dedicated knobs. Polished Sound Presets: Carefully selected, massive sounds unique to analog modeling, including MP Bass, MP Lead, MP PolySynth, and more. Smooth Playability: Features responsive mini-keys along with screen-edge protection to prevent accidental touches, keeping you focused entirely on your performance. Perfect as a companion synth for music production, on-the-go sound design, or intuitive finger-play performances. Experience the ultimate analog modeling sound today!

Screenshots

MDX Player2 screens
KG1 screens

Verdict

The call

The clearest difference is update cadence: KG at every 3 weeks against MDX Player's every 15 months. MDX Player's advantage is iOS requirement (15.6 vs 26.5). On price, ads, 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

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, KG every 3 weeks. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 6 level
MDX Player versus KG: the parameters behind the verdict, then further details
ParameterMDX PlayerKG
PriceFreeFree
Positive reviews95.0% of reviews—
Update frequencyEvery 15 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better26.5
Further details — not scored
Size13 MB36 MB
Age rating4+4+
DeveloperNagisaWorks, K.K.Kouki Yoshimoto

In-app purchases

None

MDX Player

No in-app purchases

None

KG

No in-app purchases

Questions

Is MDX Player free?
MDX Player is free to download, with no in-app purchases.
Is KG free?
KG is free to download, with no in-app purchases.
Do MDX Player or KG have ads?
Neither MDX Player nor KG shows ads.
Which is updated more often, MDX Player or KG?
MDX Player ships an update every 15 months, and KG every 3 weeks. Most recently, MDX Player was updated on November 1, 2026 and KG on November 5, 2026.

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