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 professional music notation quickly and easily. Features fast note entry, extensive notation options, and playback for practice. Turn your musical ideas into finished scores with intuitive controls.

Highlights
  • Fast note entry with OneFlick
  • Extensive notation options
  • Scores and individual parts
  • Flexible page layouts
  • Playback for checking and practice
  • Intuitive controls
Features
Read full description

Less learning. More music. Professional notation without the lengthy learning process. Fast note entry with OneFlick, extensive notation options, scores and individual parts, flexible page layouts, and playback for checking and practice. With clear, intuitive controls, iWriteMusic helps you turn inspiration into finished notation. If you’re getting started with iWriteMusic, we recommend the integrated version. The integrated version is free to download, with features available through one-time in-app purchases. Future new features will also be offered in the integrated version. This SE version remains available to support existing users. For the time being, it will continue to receive bug fixes and OS compatibility updates, but it will not receive new features or support in-app purchases. Limits on the number of saved songs and playback duration, along with watermarks, apply.

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. iWriteMusic Pro SE also leads on update cadence (every 2 weeks vs every 2 months). Composer Pro's advantage is review sentiment (72% vs 53%) and device support (3 vs 1). On price, rating, ads and iOS requirement 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 — 207 and 700 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 weeks, Composer Pro every 2 months. The most recent releases landed on November 10, 2026 and November 11, 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 (207 ratings) — better4.5 (700 ratings)
Positive reviews53.2% of reviews71.5% of reviews — better
Number of ratings207700 — better
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPadiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size19 MB161 MB
Age rating4+4+
DeveloperiWriteMusicProject嵩 张

Customer experience

iWriteMusic Pro SE

All ratings207 ratings
Positive89.4%
Neutral5.3%
Negative5.3%
Written reviews111 reviews
Positive53.2%
Neutral10.8%
Negative36.0%

Composer Pro

All ratings685 ratings
Positive86.4%
Neutral5.5%
Negative8.0%
Written reviews260 reviews
Positive71.5%
Neutral7.7%
Negative20.8%

User reviews

iWriteMusic Pro SE

From 207 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 700 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 is rated higher. iWriteMusic Pro SE averages 4.5 out of 5 from 207 ratings, while Composer Pro averages 4.5 from 700 ratings.
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 weeks, and Composer Pro every 2 months. Most recently, iWriteMusic Pro SE was updated on November 10, 2026 and Composer Pro on November 11, 2026.

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