Comparison

MIDI Score vs NS MIDI Player

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MIDI Score

This app transforms MIDI files into synchronized sheet music. View musical notes as the music plays, with support for various clefs and track selection. Manage your songs and download new ones directly.

Highlights
  • Converts MIDI to sheet music
  • Synchronized playback
  • Supports multiple clefs
  • Track selection
  • Song management
  • Web and iTunes download
Features
Read full description

[MIDI Score] is an app that converts MIDI files to sheet music. While you are listening to music, you can see musical notes synchronized. FEATURES - Converts MIDI files to sheet music - Plays the sheet music with the synchronization - Supports the treble clef, the bass clef, and both - Track Selection to display the sheet music - Song management by title, artist, and tags - Song download from the web browser, and iTunes file sharing - Automatic synchronization between iOS devices via iCloud PRO VERSION (In-App Purchase) - AB Repeat - Scaling the sheet music - Adjusts the bar width and octave - Playback speed - Transposition - Fingering of piano and guitar - PDF Export, Print, and Share - Removes Ads

About

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.

Highlights
  • 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
Features
Read full description

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

MIDI Score4 screens
NS MIDI Player2 screens

Verdict

The call

The clearest difference is review sentiment: NS MIDI Player at 84% against MIDI Score's 43%. NS MIDI Player also leads on ads (none vs shown) and rating (4.5 vs 4.0). MIDI Score's advantage is iOS requirement (9.0 vs 17.5). On price, ratings volume, update cadence and in-app purchases 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. MIDI Score sells 1 one-off in-app purchase and NS MIDI Player sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

NS MIDI Player holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 151 and 207 respectively. Written reviews point the same way: 43% of MIDI Score's written reviews are positive against 84% of NS MIDI Player's.

UpkeepUpdate frequency

MIDI Score ships an update every 2 months, NS MIDI Player every 3 months. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.

Scorecard4 real differences · 6 level
MIDI Score versus NS MIDI Player: the parameters behind the verdict, then further details
ParameterMIDI ScoreNS MIDI Player
PriceFreeFree
Rating4.0 (151 ratings)4.5 (207 ratings) — better
Positive reviews43.5% of reviews83.5% of reviews — better
Number of ratings151207 — better
Update frequencyEvery 2 months — betterEvery 3 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, Mac
Requires iOS9.0 — better17.5
Further details — not scored
Size20 MB130 MB
Age rating4+4+
DeveloperAmoriyANitin Seshadri

Customer experience

MIDI Score

All ratings151 ratings
Positive76.2%
Neutral2.6%
Negative21.2%
Written reviews115 reviews
Positive43.5%
Neutral12.2%
Negative44.3%

NS MIDI Player

All ratings206 ratings
Positive88.8%
Neutral3.4%
Negative7.8%
Written reviews91 reviews
Positive83.5%
Neutral6.6%
Negative9.9%

Bugs and requests

MIDI Score

Not enough reviews yet to summarise bugs or 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
Show 9 more
  • 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
Show 11 more
  • 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

1 purchases

MIDI Score

One-time1
  • Upgrade to Pro$4.99
5 purchases

NS MIDI Player

One-time5
  • Thanks$0.99
  • Small Tip$1.99
  • Medium Tip$4.99
Show 2 more
  • NS MIDI Player (Full Unlock)$7.99
  • Large Tip$9.99

Questions

Is MIDI Score free?
MIDI Score is free to download, with in-app purchases available.
Is NS MIDI Player free?
NS MIDI Player is free to download, with in-app purchases available.
Which has better reviews, MIDI Score or NS MIDI Player?
NS MIDI Player is rated higher. MIDI Score averages 4.0 out of 5 from 151 ratings, while NS MIDI Player averages 4.5 from 207 ratings.
Do MIDI Score or NS MIDI Player have ads?
MIDI Score shows ads; NS MIDI Player does not.
Which is updated more often, MIDI Score or NS MIDI Player?
MIDI Score ships an update every 2 months, and NS MIDI Player every 3 months. Most recently, MIDI Score was updated on October 23, 2026 and NS MIDI Player on October 27, 2026.

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