Comparison

iWriteMusic Pro SE vs Composer Pro

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

Head to head
About

iWriteMusic Pro SE

Create beautiful, professional-quality sheet music with an intuitive interface. This app offers efficient input systems, comprehensive notation tools, and useful playback options for musicians of all levels.

Highlights
  • Intuitive user interface
  • Efficient input systems (One-Flick & Traditional)
  • Professional quality sheet music
  • Comprehensive notation elements
  • Useful playback options
  • Export to PDF, JPG, and MIDI
Features
Read full description

Music Writing is easy and fun when you use iWriteMusic! Experience the perfect harmony of ease and versatility in sheet music creation with iWriteMusic! Say goodbye to complicated notation apps and hello to intuitive design. Enjoy quick and beautiful sheet music creation with a comprehensive suite of essential tools for concerts, lessons, and music classes. Best fit for professional musicians, music teachers and students. For songwriters, composers and arrangers. For both singers and instrumentalists (piano, violin, cello, guitar, flute, saxophone, trumpet, drums, etc.). Great for writing down ideas, creating lesson materials, creating lead sheets, or creating scores and parts for chorus groups, choirs, chamber orchestras, jazz bands, Latin bands, orchestras, and more. For daily practice, rehearsals, concerts, iWriteMusic will help you enrich your musical life! Check out 8 reasons to choose iWriteMusic SE (Special Edition) 1. You can understand this app almost instantly! Because of Truly Intuitive and Extremely Simple user interface, you barely need to read pages of manuals nor watching numbers of instruction videos. Unlike Finale, Sibelius and other similar apps, you just have a few things to learn to be able to use this app pretty well. 2.Double your productivity with our Highly Efficient Input System. If you’re already familiar with notation apps and looking for faster & more efficient entry system, try our innovative One-Flick Entry System along with Traditional Entry System to get your job done in no time! What is Traditional Entry System? - The choices will appear with ToolBox. - Select a value and the location separately. - Recommended to those who are not yet familiar with any music notation apps. What is OneFlick Entry System? - The choices will appear when you touch the screen. - Select a location and the value at once. - The selection will change as you slide your finger to left/right. - Recommended to those who are familiar with music notation apps and looking for faster and more efficient entry system. 3. Creates beautiful sheet music / music score - absolutely professional quality! - rich options for page layout adjustment - easy parts creation - easy score/parts management - direct print-out via AirPrint 4. Supports most of major notation elements - multi-track writing - multi-voice writing - percussion/drums notation - chord symbols and lyrics - multi-bar rest - time change - key change - clef change - tempo change - grace note - articulations and dynamics marks - easy song transpose - partial transpose and many more! 5. Useful playback options for practice - mixer with solo, mute and voice select - loop and swing options 6. Data & sheet music sharing - exports/Imports iWriteMusic data file - exports PDF or JPG - exports Standard MIDI file which can be imported by other apps such as GarageBand 7. Extremely Compact Size (15 MB) You can save your device storage space for photos and other apps. 8. Best of all, it's Free! Yes, it's Free and Over 1.4 Million people all over the world has created music with this app family. Let's get started now! Note: This is for iPhone (iPad version sold separately) ATTENTION:  Latency during playback and drawing may occur by device capacity or number of tracks and background applications. Limitations on SE (Special Edition): 1. Water mark appears on page views and printouts. 2. Can’t save more than 5 songs. 3. Can't play more than 30 seconds at a time. 4. Can't import iWriteMusic data file. (export only) 5. Can't export Standard MIDI file.

About

Composer Pro

Compose music scores with ease using a familiar keyboard layout. This app supports multiple parts, a wide range of instruments, and various musical symbols, making it suitable for both beginners and experienced musicians.

Highlights
  • Keyboard-style note input
  • Support for up to 8 parts
  • Over 100 instruments
  • Variety of music symbols
  • Configurable parts and settings
  • Instrument transposition
  • Export without watermark
Features
Read full description

A handy sheet music writer app, make writing sheet music feels like typing notes. Tap on the keys with notation in a familiar keyboard layout. Provide a very easy way to compose music score. Support up to 8 parts, over 100 instruments, variety of music symbols and notations. It is very friendly for rookies while professional enough for experts. --------------------------------- UNLIMITED ACCESS SUBSCRIPTION - Support up to 8 parts - Config parts(add, delete, reorder) - Change key for each part - Change beat type and tempo - Config clef for each staff - Config sound for each part - No watermark image export - No Ads - Support 2nd voice part - Transpose instruments - Change keyboard size - Import data file - Unlock all 100+ instruments - The subscriptions are $9.99 monthly and $49.99 yearly with free trial - Payment will be charged to iTunes Account at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that service, where applicable - Terms of use: https://service.notationpad.com/terms_service.html

Screenshots

Composer Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: iWriteMusic Pro SE at none against Composer Pro's 4. Composer Pro's advantage is review sentiment (72% vs 53%) and device support (3 vs 1). On price, rating, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Composer Pro sells 4 in-app purchases, starting at $6.99 per 7 days. iWriteMusic Pro SE asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for iWriteMusic Pro SE against 4.5 for Composer Pro. Both are backed by a comparable volume of ratings — 206 and 672 respectively. Written reviews are what separate them: 53% of iWriteMusic Pro SE's written reviews are positive against 72% of Composer Pro's.

UpkeepUpdate frequency

iWriteMusic Pro SE ships an update every 2 months, Composer Pro every 6 weeks. The most recent releases landed on September 21, 2026 and September 26, 2026 respectively.

Scorecard6 real differences · 4 level
iWriteMusic Pro SE versus Composer Pro: the parameters behind the verdict, then further details
ParameteriWriteMusic Pro SEComposer Pro
PriceFreeFree
Rating4.5 (206 ratings)4.5 (672 ratings)
Positive reviews53.2% of reviews72.0% of reviews — better
Number of ratings206672 — better
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPadiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size19 MB154 MB
Age rating4+4+
DeveloperiWriteMusicProject嵩 张

Customer experience

iWriteMusic Pro SE

All ratings206 ratings
Positive89.3%
Neutral5.3%
Negative5.3%
Written reviews111 reviews
Positive53.2%
Neutral10.8%
Negative36.0%

Composer Pro

All ratings672 ratings
Positive86.6%
Neutral5.7%
Negative7.7%
Written reviews257 reviews
Positive72.0%
Neutral7.8%
Negative20.2%

User reviews

iWriteMusic Pro SE

From 206 App Store ratings

What we love

  • 🚀 Easy to use
  • 💡 Helpful for music writing
  • 👍 Useful for music teachers
  • 🚀 Functional free version
  • 👍 Good for small-scale composition

Room to improve

  • 🐛 Crashes frequently
  • 🔧 Unintuitive interface
  • 🔧 Difficult to navigate
  • 🐛 Playback issues
  • 🔧 Fiddly note placement

Composer Pro

From 672 App Store ratings

What we love

  • 👍 User-friendly interface
  • 🎼 Helpful for composing music
  • 🎹 Good for beginners
  • 💡 Allows creating sheet music

Room to improve

  • 💰 Subscription model too expensive
  • 🔒 Limited features in free version
  • 📢 Too many ads
  • 🐛 Bugs and glitches
  • 🔒 Forced to pay for basic functionality

Bugs and requests

iWriteMusic Pro SE

Reported bugs

5 issues
  • Incorrect transposition of notes
  • Inability to save compositions
  • Overlapping/unreadable menu text
  • Freezing when trying to copy/paste
  • Inconsistent behavior when adding new measures

Requested features

5 requests
  • Add more music notation options (e.g. glissando, ghost notes)
  • Improve playback to follow dynamics and expressions
  • Allow multiple key signatures in the same piece
  • Provide an undo/redo function
  • Implement a chord entry mode for guitarists

Composer Pro

Reported bugs

3 issues
  • Notes sometimes placed incorrectly
  • Measures and compositions randomly deleted
  • Inability to restore deleted content

Requested features

5 requests
  • Add more instruments beyond piano
  • Allow changing time signatures and key signatures without subscription
  • Improve note editing and placement
  • Add export options to save/share compositions
  • Provide more music notation tools and dynamics

In-app purchases

None

iWriteMusic Pro SE

No in-app purchases

4 purchases

Composer Pro

Subscriptions4
  • Unlimited Access$6.997 Days
  • Pro Access$9.991 Month
  • Pro Access$49.991 Year
Show 1 more
  • Pro Access7 Days trial$49.991 Year

Questions

Is iWriteMusic Pro SE free?
iWriteMusic Pro SE is free to download, with no in-app purchases.
Is Composer Pro free?
Composer Pro is free to download, with in-app purchases available.
Which has better reviews, iWriteMusic Pro SE or Composer Pro?
iWriteMusic Pro SE and Composer Pro are both rated 4.5 out of 5 on the App Store, from 206 and 672 ratings respectively.
Do iWriteMusic Pro SE or Composer Pro have ads?
Neither iWriteMusic Pro SE nor Composer Pro shows ads.
Which is updated more often, iWriteMusic Pro SE or Composer Pro?
iWriteMusic Pro SE ships an update every 2 months, and Composer Pro every 6 weeks. Most recently, iWriteMusic Pro SE was updated on September 21, 2026 and Composer Pro on September 26, 2026.

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