KG vs Memory MIDI
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
KG
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[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. โ 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!
Memory MIDI
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Turn your iPhone into a wireless MIDI controller. Drum pads, piano keys, mixer faders, XY pad and transport โ over Wi-Fi, no cables. Works with Ableton Live, Logic Pro, FL Studio, Studio One, Cubase, Bitwig Studio, Reaper, GarageBand, Pro Tools and any DAW that supports Network MIDI (RTP-MIDI) or Bluetooth MIDI. DRUM PADS Six velocity pads that respond to several fingers at once. Layouts are tuned for the DAW you pick. KEYS A full-screen keyboard: turn the phone sideways and play. Slide between keys, shift octaves, hold sustain. MIXER, XY PAD AND BUTTONS Faders, an XY pad and toggle buttons for effects, filters and sends. Map them in your DAW once and they stay mapped. TRANSPORT AND RECORDING Play, stop and record from your phone while your hands stay on the instrument. YOUR OWN PRESETS Build your own layout from pads, faders and buttons, rename controls and save it. APPLE WATCH Turn the Digital Crown to control any parameter from your wrist. EASY SETUP Pick your DAW and follow the step-by-step guide. Your iPhone reconnects to the computer you chose on its own. Interface languages: English, Russian.
Screenshots
Verdict
The clearest difference is ads: KG at none against Memory MIDI's shown. Memory MIDI's advantage is iOS requirement (17.0 vs 26.5). On price, update cadence, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
KG ships an update every 3 weeks, Memory MIDI fortnightly. Both last shipped on October 31, 2026.
| Parameter | KG | Memory MIDI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Fortnightly โ better |
| Ads | No โ better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Requires iOS | 26.5 | 17.0 โ better |
| Further details โ not scored | ||
| Size | 36 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Kouki Yoshimoto | Dmitrii Bondarchuk |
In-app purchases
KG
No in-app purchases
Memory MIDI
No in-app purchases









