Is Sibelius better than Flat?

Sibelius ranks higher in our list of music notation software (#1 against #4, score 92.0 against 85.5). Flat is best for: shared scores in the browser. Sibelius is best for: professional engraving and part extraction.

Which is cheaper, Flat or Sibelius?

Flat: Free to start and free desktop download; subscriptions add features. Sibelius: Artist $99 a year; Ultimate $199 a year; Ultimate perpetual bundle $899.

Do Flat and Sibelius run on the same platforms?

Flat supports macOS, Windows, Web, iOS, Android. Sibelius supports Windows, macOS, iPadOS, iOS, ChromeOS.

Comparison · Music notation software

Flat vs Sibelius: which is better in 2026?

Flat85.5#4 in best music notation softwareSibelius92.0#1 in best music notation software

Sibelius ranks higher in our list of music notation software (#1 against #4, score 92.0 against 85.5).

How we rank Share

85.5
Editorial score
92.0
5
Platforms
5
Yes
Free to use
No
No
Open source
No

Which should you choose?

Choose Flat if you want

Shared scores in the browser.

Browser-based notation with real-time sharing, a free desktop app for Mac and Windows, and web and mobile apps. Advanced features sit behind a subscription, and its engraving controls are lighter than Sibelius's.

Choose Sibelius if you want

Professional engraving and part extraction.

Professional notation with complete engraving, automatic part generation and video sync on its Ultimate tier. It is paid by yearly subscription or a perpetual bundle, and the Artist tier limits staves.

The main differences

Only Flat runs on Android.
Only Flat runs on Web.
Flat can be used for free; Sibelius requires payment.

Side by side

	Flat	Sibelius
Score	85.5	92.0
Rank in list	#4 of 10	#1 of 10
Price	Free plan, paid upgradesFree to start and free desktop download; subscriptions add features	SubscriptionArtist $99 a year; Ultimate $199 a year; Ultimate perpetual bundle $899
Free to use	Yes	No
Open source	No	No
Platforms	macOSWindowsWebiOSAndroidmacOS, Windows, Web, iOS, Android	WindowsmacOSiPadOS, iOSChromeOSWindows, macOS, iPadOS, iOS, ChromeOS
Made by	Not stated	Avid
Best for	Shared scores in the browser	Professional engraving and part extraction
Strengths	Free to start and free desktop app Real-time sharing and collaboration	Strong score layout and part generation Runs on Mac, PC, iPad and iPhone
Limits	Advanced features need a subscription Fewer engraving controls than Sibelius	Yearly subscription for most tiers Artist tier limits staves and cloud scores
Links	Visit site	Visit site

Questions about Flat vs Sibelius

Is Sibelius better than Flat?: Sibelius ranks higher in our list of music notation software (#1 against #4, score 92.0 against 85.5). Flat is best for: shared scores in the browser. Sibelius is best for: professional engraving and part extraction.
Which is cheaper, Flat or Sibelius?: Flat: Free to start and free desktop download; subscriptions add features. Sibelius: Artist $99 a year; Ultimate $199 a year; Ultimate perpetual bundle $899.
Do Flat and Sibelius run on the same platforms?: Flat supports macOS, Windows, Web, iOS, Android. Sibelius supports Windows, macOS, iPadOS, iOS, ChromeOS.