NS MIDI Player vs ProRecord XI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NS MIDI Player
This application allows users to play MIDI files on their Apple devices. It supports various MIDI formats, custom sound fonts, and synchronized lyrics. Advanced features like audio export and MIDI output connection are available via a one-time purchase.
- Play standard MIDI files (.mid, .midi, .kar)
- Support for custom SoundFonts (.sf2, .dls)
- View time-synced lyrics
- Connect to MIDI outputs
- Export MIDI as audio
- Queue multiple songs
- Background audio and AirPlay support
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NS MIDI Player is a simple MIDI player for iPhone, iPad, and Mac. Features include: - Free! - No ads, subscriptions, or data collection - Play standard MIDI files (SMF) with file extensions .mid, .midi, and .kar - GM and GS standards supported with the default SoundFont - Use custom SoundFonts with file extension .sf2 or .dls - View time-synced lyrics - Connect to MIDI outputs with Core MIDI* - Export MIDI files as audio* - Queue multiple songs to be played in order* - "Open with" from other apps, such as Safari - Integrated with the Files app (iOS and iPadOS) - Supports drag-and-drop - Supports Quick Look previews - Share MIDI files directly from the app - Supports background audio and AirPlay - Lock screen and Control Center controls with scrubbing - Gapless repeat mode - Playback speed control with tap tempo - Customizable reverb - Transpose* Note: Features marked with an asterisk (*) require upgrading to the full version before they can be used. This is a one-time purchase shared across all of your devices and helps support further development. All other features are free. Included FluidR3Mono GM SoundFont is licensed under the MIT License. Included Sample MIDI file is "Hard Times" from http://www.soundswell.co.uk/pages/swmids.htm and is in the public domain. This app and its creator are not affiliated with the creators of these files in any way.
ProRecord XI
Control and manage your ProRecord XI piano system. Adjust volume, tone, and playback settings, and save or share performance data. Compatible with newer ProRecord XI systems only.
- Volume, tone, and playback control
- Save and share performance data
- Metronome with adjustable settings
- Access to demo songs
- Extensive system settings customization
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The ProRecord XI app is a companion app to PianoDisc's ProRecord XI system. Easy access to the volume, tone, playback and other settings of your ProRecord XI system. You can also save performance data from your ProRecord XI system on your iPhone and send it to others via email, or receive new performance data and play it back on your ProRecord XI system. It also supports iTunes sharing, so you can manage your performance data with iTunes. Please note that this app cannot connect to older ProRecord systems. [Features] 1.Home(Sound) Tone, Reverb, Effect (Chorus, Rotary, Delay), 4 band equalizer, Transpose, User preset 2.Metronome Beat, Tempo, Volume 3.Recording & Playback Recording, Playback, Transmission, and Sharing 4.Demo songs 5.Settings Piano type, Touch control, Individual keys volume, Black keys volume, Key depth, Note repeat limit, Continuous note-on, Pedal position, Damper pedal mode, Soft pedal effect level, Damper resonance, String resonance, Tuning, Tuning curve, Connect with IQ player, MIDI-IN port, Panel led, Auto power off, Calibration, Backup/Restore, Factory reset
Screenshots
Verdict
The clearest difference is rating: ProRecord XI at 5.0 against NS MIDI Player's 4.5. ProRecord XI also leads on in-app purchases (none vs 5) and iOS requirement (15.0 vs 17.5). NS MIDI Player's advantage is ratings volume (211 vs 1). On price, update cadence, ads 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. NS MIDI Player sells 5 one-off in-app purchases. ProRecord XI asks for nothing beyond the download.
ProRecord XI holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: NS MIDI Player has 211 ratings behind it against 1, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.
| Parameter | NS MIDI Player | ProRecord XI |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (211 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 83.5% of reviews | — |
| Number of ratings | 211 — better | 1 |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 17.5 | 15.0 — better |
| Further details — not scored | ||
| Size | 130 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Nitin Seshadri | Nissin Electro Co., Ltd. |
Bugs and requests
NS MIDI Player
Reported bugs
14 issues- App crashes frequently during normal use
- Settings menu causes crashes
- Export/conversion button force closes app
- Soundfont file picker fails to open
- Audio initialization errors with some soundfonts
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- App freezes after several minutes of use
- Some MIDI files only play with default soundfont
- Reverb and echo instruments play at incorrect volumes
- App stops playing when sent to background
- File extension case sensitivity (.mid vs .MID)
- Large MIDI files (1.2MB+) fail to load or load extremely slowly
- Soundfont compatibility issues with newer formats
- Audio output issues despite correct system settings
- App reappears on iPad after deletion from Mac
Requested features
16 requests- Playlist creation and management
- Instrument selection/replacement per channel
- Background playback with screen off
- Auto-play all files in folder
- Pitch adjustment capability
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- MIDI file browser within app
- Visual feedback (piano roll, notes, chords)
- Support for additional formats (MMF, MXMF, PMD, MLD)
- DLS level 1 support
- Drag and drop from Finder
- File deletion button
- Track history/recently played list
- Persistent soundfont loading
- Loop sections of MIDI files
- External control via Bluetooth
- Batch file processing
ProRecord XI
Not enough reviews yet to summarise bugs or requests.
In-app purchases
NS MIDI Player
- Thanks$0.99
- Small Tip$1.99
- Medium Tip$4.99
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- NS MIDI Player (Full Unlock)$7.99
- Large Tip$9.99
ProRecord XI
No in-app purchases
Questions
Is NS MIDI Player free?
Is ProRecord XI free?
Which has better reviews, NS MIDI Player or ProRecord XI?
Do NS MIDI Player or ProRecord XI have ads?
Which is updated more often, NS MIDI Player or ProRecord XI?
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