MIDIWriter vs YMCK Player 2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MIDIWriter
This app transforms keyboard input into musical notes and sounds. Type characters to instantly generate MIDI messages, or input phrases to create musical sequences with adjustable tempo and looping. It includes a built-in sound engine and supports external MIDI devices and apps.
- Text to MIDI conversion
- Built-in General MIDI sound engine
- Phrase playback with tempo control
- Drum mode with multiple kits
- External MIDI output
- Hardware keyboard support
- Wi-Fi MIDI networking
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[[ A STRANGE MUSIC TOOL FOR MANIAC MUSIC LOVERS! ]] MIDIWriter is a unique app that converts keyboard input into MIDI note messages. Each character you type instantly produces sound. You can also enter a phrase and play it back as a sequence with adjustable tempo and loop options. KEY FEATURES: Built-in Sound Engine: No external app required! MIDIWriter includes a built-in General MIDI sound engine with 128 instruments and 9 drum kits. Just type and hear the sound immediately. Phrase Playback: Enter any text and play it as a musical sequence. Adjust the tempo (1-480 BPM), enable loop mode, and let your words become music. Space characters can be used as rests. Drum Mode: Switch to drum mode to play percussion sounds. Choose from 9 GM drum kits including Standard, Room, Power, Electronic, 808/909, Jazz, Brush, and Orchestral. MIDI Output: Send MIDI to other apps or external devices. Configure MIDI channel (1-16), program change (0-127), and destination. Works with Virtual MIDI and MIDI Network Session. Can be used simultaneously with the built-in sound engine. Keyboard Support: Use the on-screen software keyboard, or connect a Bluetooth/USB hardware keyboard for a real typing experience. Supports Japanese input with proper IME handling. MIDI Network Session: Connect to Mac or other iOS devices over Wi-Fi to control CoreMIDI-compatible sound generators remotely. Dark Mode & Rotation: Full support for light and dark modes. Works in portrait and landscape orientations on both iPhone and iPad. Note: Playback stops when the app goes to background. Using the Built-in Sound: Simply launch MIDIWriter and start typing. Each key produces a unique sound based on its character code. Enable drum mode in Settings for percussion sounds. Using with External MIDI Apps (Virtual MIDI): 1. Open a CoreMIDI sound generator app. 2. In MIDIWriter Settings, turn on "MIDI Output" and select the destination. 3. Type any key to hear sound from the external app. Using with Mac (MIDI Network Session): 1. Connect iPhone and Mac to the same Wi-Fi network. 2. Open MIDIWriter on iPhone. 3. On Mac, open "Audio MIDI Setup" and configure Network MIDI. 4. Connect your iPhone to the session. 5. Open a CoreMIDI app on Mac and select the network session as MIDI input. 6. Type on MIDIWriter to play sounds on Mac. Credits: Built-in sound engine uses "GeneralUser GS" SoundFont by S. Christian Collins. https://schristiancollins.com/generaluser.php
YMCK Player 2
This musical instrument app allows you to play solos by sliding or tilting your device. It offers multiple key/scale assignments and scene memory for live performances, with light and dark themes for different stage environments.
- Slide to play solos
- Tilt for vibrato and scrolling
- Multiple key/scale assignments
- Scene memory for live shows
- Light/Dark color themes
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YMCK Player 2 is a simple musical instrument. You can play a stunning solo only by sliding on the screen or by tilting the device. This version "2" is more focused on the functionalities useful in your live stage than decorative visuals. * Easy to play Slide on the screen. That's all you need to play a solo. Additionally you can tilt the device vertically to scrool the keyboard and tilt it backward to apply vibrato. * Multiple Key/Scales You can assign multiple key/scales in a single screen, which allows you to use it in a song with key changes. * Scene Memory You can register multiple Scenes, and switch quickly the settings during your live show. * Color Themes Light/Dark color themes. Dark theme will help you operating in a dark stage environment.
Screenshots
Verdict
The clearest difference is rating: YMCK Player 2 at 3.0 against MIDIWriter's 1.5. MIDIWriter's advantage is price ($0.99 vs $1.99). On review sentiment, ratings volume, update cadence and ads 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
MIDIWriter costs $0.99 and YMCK Player 2 $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
YMCK Player 2 holds the better App Store score, 3.0 against 1.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 0% and 0% positive.
MIDIWriter ships an update every 35 months, YMCK Player 2 every 41 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.
| Parameter | MIDIWriter | YMCK Player 2 |
|---|---|---|
| Price | $0.99 — better | $1.99 |
| Rating | 1.5 (2 ratings) | 3.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 35 months — better | Every 41 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 31 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Masayuki Akamatsu | 武志 除村 |
Customer experience
MIDIWriter
YMCK Player 2
In-app purchases
MIDIWriter
No in-app purchases
YMCK Player 2
No in-app purchases
Questions
Is MIDIWriter free?
Is YMCK Player 2 free?
Which has better reviews, MIDIWriter or YMCK Player 2?
Do MIDIWriter or YMCK Player 2 have ads?
Which is updated more often, MIDIWriter or YMCK Player 2?
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