Comparison

Composer Pro vs GPMuse

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

Head to head
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

About

GPMuse

Features
Read full description

GPMuse is an intuitive music writing and notation tool for iOS. It provides a minimalist and smooth workspace, helping you quickly capture your musical ideas. KEY FEATURES: • Visual Notation: Add, delete, and edit notes directly on the staff. Flexibly switch between clefs (Treble, Bass, Alto...). • Diverse Rhythms: Customize the tempo of your score. Fully supports rhythms from basic to complex, including triplets. • Harmony & Key Signatures: Quickly set key signatures and insert accurate chord symbols above the staff. • Playback: Instantly play back your written score with high-quality audio to review your melodies. OPTIMIZED EXPERIENCE: • User-friendly interface, specially optimized for touch gestures on iPhone and iPad. • Full Dark Mode support to protect your eyes and improve focus. Terms of use: https://support.gpmuse.com/terms_of_use.html Privacy policy: https://support.gpmuse.com/privacy_policy.html

Screenshots

Composer Pro4 screens
GPMuse4 screens

Verdict

The call

The clearest difference is in-app purchases: GPMuse at none against Composer Pro's 4. GPMuse also leads on update cadence (every 2 weeks vs every 2 months). Composer Pro's advantage is iOS requirement (15.0 vs 18.6). On price, 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

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. GPMuse asks for nothing beyond the download.

UpkeepUpdate frequency

Composer Pro ships an update every 2 months, GPMuse every 2 weeks. The most recent releases landed on October 19, 2026 and October 10, 2026 respectively.

Scorecard3 real differences · 7 level
Composer Pro versus GPMuse: the parameters behind the verdict, then further details
ParameterComposer ProGPMuse
PriceFreeFree
Rating4.5 (685 ratings) — better—
Positive reviews71.5% of reviews—
Number of ratings685 — better—
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscription—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.6
Further details — not scored
Size161 MB37 MB
Age rating4+4+
Developer嵩 张Hung Truong Khanh

Bugs and requests

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

GPMuse

Not enough reviews yet to summarise bugs or requests.

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
None

GPMuse

No in-app purchases

Questions

Is Composer Pro free?
Composer Pro is free to download, with in-app purchases available.
Is GPMuse free?
GPMuse is free to download, with no in-app purchases.
Do Composer Pro or GPMuse have ads?
Neither Composer Pro nor GPMuse shows ads.
Which is updated more often, Composer Pro or GPMuse?
Composer Pro ships an update every 2 months, and GPMuse every 2 weeks. Most recently, Composer Pro was updated on October 19, 2026 and GPMuse on October 10, 2026.

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