midimittr vs NS MIDI Player
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
midimittr
This app enables low-latency MIDI connections to iOS music applications via Bluetooth LE or USB. It routes virtual MIDI ports to external devices, allowing seamless wireless or wired integration with compatible software.
- Low-latency MIDI over Bluetooth LE
- MIDI over USB connection
- Routes virtual MIDI ports
- Connects to other MIDI devices wirelessly
- Remembers routing settings
- Works in background
- MIDI over Lightning cable support
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midimittr is a simple utility to deliver the experience of low-latency MIDI over Bluetooth LE/USB to iOS Music apps that support MIDI. To achieve this, midimittr is routing the virtual ports of supported applications to Bluetooth and/or the USB Ports. If your favourite application is supporting MIDI, it will most likely work with midimittr. Bluetooth over MIDI is supported in iOS 8+ and a feature of OS X Yosemite 10.10+. For more information please check out the support page. ---- - Connect to other Bluetooth MIDI Hardware, iOS or macOS devices wirelessly - Remembers previous routing settings for an uninterrupted workflow - Works in background - Get even lower latency with MIDI over Lightning cable* - Support for both iPad and iPhone ---- *For MIDI over Lightning cable please download the tool from the support page.
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.
Screenshots
Verdict
The clearest difference is in-app purchases: midimittr at none against NS MIDI Player's 5. midimittr also leads on update cadence (every 2 weeks vs every 3 months) and iOS requirement (12.0 vs 17.5). NS MIDI Player's advantage is ratings volume (207 vs 54). On price, rating, review sentiment 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
Both are free to download. NS MIDI Player sells 5 one-off in-app purchases. midimittr asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.5 for midimittr against 4.5 for NS MIDI Player. Both are backed by a comparable volume of ratings — 54 and 207 respectively. Written reviews are what separate them: 91% of midimittr's written reviews are positive against 84% of NS MIDI Player's.
midimittr ships an update every 2 weeks, NS MIDI Player every 3 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.
| Parameter | midimittr | NS MIDI Player |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (54 ratings) — better | 4.5 (207 ratings) |
| Positive reviews | 91.0% of reviews — better | 83.5% of reviews |
| Number of ratings | 54 | 207 — better |
| Update frequency | Every 2 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 12.0 — better | 17.5 |
| Further details — not scored | ||
| Size | 10 MB | 130 MB |
| Age rating | 4+ | 4+ |
| Developer | Matthias Frick | Nitin Seshadri |
Customer experience
midimittr
NS MIDI Player
User reviews
midimittr
From 54 App Store ratingsWhat we love
- 🚀 Seamless MIDI connection
- 👍 Easy to use
- 💡 Solves connectivity problems
- 💰 Free of charge
- 🔌 Works with USB and Bluetooth
Room to improve
- 🐛 Crashes on M1 Mac
- ❓ No manual or instructions
- 😞 Developer unresponsive
- ⚠️ Bluetooth connection issues
- 🎛️ Toggles not visible on iPad mini
NS MIDI Player
From 207 App Store ratingsWhat we love
- 👍 Simple and intuitive user interface
- 🎵 Excellent sound quality with soundfont support
- 💰 Free version available with core functionality
- 🎧 Custom soundfont compatibility
- 📱 QuickLook/QuickView integration for quick previews
Room to improve
- 🐛 Frequent crashes and freezing issues
- ⏱️ Slow loading times for large MIDI files
- 🔋 High battery consumption
- ❌ Limited free version functionality
- 💸 Premium features behind paywall ($7.99-$22)
Bugs and requests
midimittr
Reported bugs
6 issues- 'IOS Audio' crashes app on M1 Mac
- Disables iPad as audio input on M1 Mac
- Connection problem with older iOS and Yamaha MD-BT01
- Toggles not visible on iPad mini
- App keeps giving pop-ups asking to turn on Bluetooth
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- Only one device gets MIDI back when two are connected
Requested features
5 requests- Auto-reconnect for Bluetooth
- Logging function with freeze/save and filter
- Dark mode
- Audio transmitting as in-app purchase
- Option for client BT connections to auto-connect
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
In-app purchases
midimittr
No 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
