Flat vs Sibelius

Flat is music-notation software for writing, editing, playing back, and collaborating on scores. It runs on the web, iOS, Android, Mac, and Windows, and supports MusicXML and MIDI import and export. Users can compose, edit, and play scores offline; cloud sync requires Flat Power. Multiple users can write, edit, and comment on the same score from different devices in real time. The free plan includes essential notation tools, playback, and collaboration, but is limited to 15 scores. Flat Basic lists 30 instruments; Power includes more than 180, including HQ studio instruments, alongside unlimited scores and advanced playback. Flat Power costs $9.99 per month or $49.99 per year. The desktop app is free to download and use, with a 15-score cap on its free plan. PDF import requires Flat Power or paid credits, while desktop exports include PDF, MP3, and WAV. Flat for Education integrates with Google for Education, Microsoft Office 365, and Canvas and has a free one-month trial. Personal accounts have a minimum age of 13 in most countries.

Sibelius is professional music notation software for writing, editing, and sharing scores. Notes can be entered with MIDI, a keyboard, or Apple Pencil, and MusicXML and MIDI files can be imported while retaining performance data. It supports tablature, VST3 and AU virtual instruments, and AI chord suggestions that generate or complete chord symbols. Edits to dynamic parts stay synchronized with the score. Scores can be published to a private dashboard for browser viewing and playback, while classroom tools let teachers share files and guide student focus from a workstation. Sibelius runs on desktop, mobile, and web, with support for Mac, PC, iPad, iPhone, and Chromebook. Sibelius First is described as free notation software for people new to notation. Artist allows up to 24 staves per score and cloud sharing for 20 scores; Ultimate allows unlimited staves and cloud sharing. The Ultimate Perpetual Bundle costs 899.00 USD as a one-time purchase and includes PhotoScore Ultimate and AudioScore Ultimate. Annual plans are listed at $79 a year for Artist and $159 a year for Ultimate. Displayed prices exclude VAT and applicable taxes.