If you write music for guitar, you have probably weighed both Flat and Guitar Pro. They overlap in the obvious way, since both let you write tablature and hear it played back, but they were built for different jobs. This Flat vs Guitar Pro comparison looks at what each one is actually good at, the tools guitarists rely on day to day, and how the two differ on platforms, price, and collaboration. Every feature and price below was checked against each product's own site and documentation as of 2026, and where the two genuinely trade off, this guide says so rather than pretending one wins everything.

The short answer
Flat is a multi-device notation editor. It runs in the browser and as native apps on Mac, Windows, iOS, and Android, works offline as well as online, syncs your scores across every device, and is built around writing and collaborating on music for any instrument, guitar included. Guitar Pro is a desktop application made specifically for guitarists and bassists, with deep tab-focused tools, realistic guitar tone, and a large catalogue of official song tabs. Neither is universally better. Choose Flat for access, collaboration, and writing across instruments; choose Guitar Pro for a dedicated guitar practice and tab rig on your own computer.
| Flat | Guitar Pro | |
|---|---|---|
| Runs on | Browser + native apps for Mac, Windows, iOS, Android (plus Chromebook and Linux in the browser) | Windows and macOS desktop + iOS and Android apps |
| Works offline | Yes | Yes |
| Cloud sync across devices | Yes | No (files are stored locally) |
| Pricing model | Free plan, plus optional Flat Power subscription | One-time purchase (7-day trial, no free plan) |
| Real-time collaboration | Yes | No |
| Main focus | Notation for every instrument, plus tab | Guitar and bass tablature specialist |
| Guitar tablature and custom tunings | Yes | Yes |
| Built-in tuner and amp tones | No (notation-focused) | Yes (tuner + Realistic Sound Engine) |
| Opens Guitar Pro files | Yes (.gp import) | Yes (native) |
What Flat and Guitar Pro each are
Flat is a music notation editor you can use almost anywhere. Open it in any web browser with nothing to install, or work in the native Flat apps for Mac, Windows, iOS, and Android. It runs online or offline, and because your scores are saved to your account they stay in sync whichever device you pick up next. The free plan covers the core editor with up to 15 scores, real-time collaboration, MIDI transcription, and MusicXML and MIDI import, while a paid Flat Power subscription adds unlimited scores, 180+ instrument sounds, and advanced export options.
Flat writes standard notation for any ensemble, from a solo piano piece to a full orchestra, and it supports guitar and bass tablature alongside the staff. Its defining feature is collaboration: several people can open and edit the same score at the same time, the way a shared document works, which is why it turns up in classrooms and among bands writing together.
Guitar Pro is a desktop application built specifically for fretted instruments. The current version, Guitar Pro 8, runs on Windows and macOS, with separate iOS and Android apps, and it does not run on Linux. It is a multitrack tab and notation editor with a heavy practice focus, and its tools are shaped around how guitarists actually learn, transcribe, and drill songs. Where Flat spreads across every instrument and device, Guitar Pro goes narrow and deep on the guitar and bass experience.
The must-have tools for guitarists
If you play guitar, a handful of tools matter more than anything else on the feature list. Here is what guitarists tend to reach for, and how each program covers it.
Tablature and custom tunings. Both write real tablature, not just chord boxes, for guitar, bass, ukulele, banjo, and mandolin, and both handle custom tunings and a capo. In Flat you enable a tab staff on any plucked instrument and write bends, slides, hammer-ons, pull-offs, and dead notes, and changing the tuning or capo transposes the part for you. Guitar Pro covers the same techniques in an interface designed entirely around fretted instruments, which some players find faster for pure tab entry.
Chords and scales. Guitar Pro ships a dedicated chord and scale library you can browse and drop straight into a score, which is handy when you are working out voicings. Flat lets you add chord symbols and chord diagrams above the staff, which covers lead sheets and songwriting well.
A tuner, a metronome, and realistic tone. This is Guitar Pro's home turf. It includes a built-in tuner and metronome, and its Realistic Sound Engine plays your tab back with convincing electric and acoustic guitar tones, amp models, and effects. Flat plays back with 180+ instrument sounds and a click, and you can adjust the tempo, loop a section, and mute individual tracks, which is plenty for checking your writing, but it is notation-focused and does not model guitar amps and pedals or tune a physical instrument.
Practice tools. Both let you slow a passage down and loop it while you learn it. Guitar Pro adds a speed trainer that raises the tempo gradually each time the loop repeats, which is built for drilling a difficult lick up to performance speed.
A library of songs to learn from. Guitar Pro connects to mySongBook, a catalogue of thousands of officially transcribed song tabs, available as a separate purchase or subscription. Flat takes a different route: it has a large public community of user-made scores you can open, listen to, and clone into your own account to study or adapt.
| Guitarist tool | Flat | Guitar Pro |
|---|---|---|
| Tablature and custom tunings | Yes | Yes |
| Chord symbols and diagrams | Yes | Yes, plus a chord and scale library |
| Built-in tuner | No | Yes |
| Amp and effect tones | No | Yes (Realistic Sound Engine) |
| Loop and slow-down | Yes | Yes |
| Speed trainer (progressive tempo) | No | Yes |
| Song library | Public community scores | mySongBook (official tabs) |
Where you can work, and working together
Access is the clearest split between the two. Flat works on the widest range of setups: any web browser, so a Chromebook, a school computer, a borrowed laptop, or a Linux machine all work with nothing installed, plus native apps on Mac, Windows, iOS, and Android when you want a dedicated app or offline work. Everything is tied to your account, so a tab you start on a desktop is on your phone a minute later, exactly where you left it.
Guitar Pro is installed software on Windows or macOS, with mobile companion apps. It does not run in a browser, on a Chromebook, or on Linux, and your files stay on the machine you saved them to unless you move them yourself. For a player who always sits at the same computer that is no problem, but if you switch devices often, work on a Chromebook, or want your library to follow you everywhere, Flat has the clear edge.
Collaboration widens that gap. Flat lets several people edit one score in real time, leave comments on specific bars, and share a link that opens in any browser with nothing to install. That suits a band arranging a song together, a teacher reviewing a student's tab, or anyone who wants feedback without emailing files back and forth. Because scores are shareable by default, getting another set of eyes on a part takes seconds.
Guitar Pro does not offer real-time collaboration. You share by exporting a file or a PDF and sending it, and to open the editable version the other person needs Guitar Pro or a compatible app. For solo writing that is no obstacle, but if collaborating or teaching is part of how you work, it is a real difference in day-to-day workflow.
Price and what you get
The two charge in different ways, and which is cheaper depends entirely on how you work. Guitar Pro is a one-time purchase: you pay once for the current version, try it first with a 7-day trial, and pay again only when you choose to move up to a future major version. There is no free plan, so you commit up front, but once you own it there is no recurring cost.
Flat is free to start. The free plan covers the core editor for up to 15 scores, with real-time collaboration, MIDI transcription, and import included, and a paid Flat Power subscription unlocks unlimited scores, the full 180+ instrument sound library, and advanced export when you need them. You pay only while you want the extras, and more than one person can work on a score without anyone buying anything.
So the value question is really about commitment style. If you would rather pay once and own a desktop tool outright, Guitar Pro fits. If you would rather start at no cost, keep a handful of scores active for free, or pay as a subscription only while the extra capacity matters, Flat works out better, especially when a band or a class will share the file.
Who should choose which, and how to switch
Choose Flat if you work across several devices or on a Chromebook, if you want to collaborate on scores in real time, if you write for instruments beyond guitar, or if you want to start for free and keep your library in sync everywhere. Students, teachers, songwriters, and composers who value access and sharing tend to land here, and guitarists who mainly want to write, hear, and share tab are well served too.
Choose Guitar Pro if you are primarily a guitarist or bassist working on your own computer, if you want the most realistic guitar playback and amp tones, if you lean on practice tools like the speed trainer, tuner, and looping, or if you want the mySongBook library of official tabs. Players who spend most of their time learning and transcribing songs on a single machine get the most out of it.
If Flat sounds like the better fit, switching is low-risk, because you do not have to start from scratch. Flat can import Guitar Pro files (.gp, version 7 and later), along with MusicXML, MIDI, MuseScore, Power Tab, and TuxGuitar files, so you can open an existing tab and keep editing it in the browser or the desktop app, tunings and techniques included. It is an easy way to see how your own material feels in Flat before you commit to anything.
Try this in Flat: create a free account, drag a .gp file into a new score, and check how the tab, tuning, and techniques carry over. The complete list of supported formats is in the guide to importing existing scores and tabs.
The bottom line
Flat and Guitar Pro solve overlapping problems in different ways. Guitar Pro is a specialist: a desktop tool that gives guitarists deep practice features, realistic tone, a built-in tuner, and a big official tab library, paid for once. Flat is a multi-device generalist: a notation editor for any instrument that adds real-time collaboration, works online and offline across browser, desktop, and mobile, and starts free. Plenty of guitarists happily use both, writing and sharing in Flat while drilling parts in Guitar Pro.
If you want to see how Flat stacks up against other notation tools, our Flat vs MuseScore and Flat vs Sibelius comparisons cover those matchups. And if you are ready to try it, Flat lets you write, hear, and share guitar tab and full scores across your browser, desktop, and phone, with no download required to start. Try Flat for free.
FAQ
Is Flat a good Guitar Pro alternative?
Flat is a strong alternative if you want a multi-device notation editor that works in the browser and as native Mac, Windows, iOS, and Android apps, online or offline, with real-time collaboration and a free plan. Guitar Pro remains stronger for dedicated guitar practice tools and realistic guitar tones on the desktop.
Can Flat open Guitar Pro files?
Yes. Flat can import Guitar Pro files in the .gp format (version 7 and later), as well as MusicXML, MIDI, MuseScore, Power Tab, and TuxGuitar files, so you can keep editing existing tabs in Flat.
Is Guitar Pro free?
No. Guitar Pro is a paid, one-time purchase for the current version, with a 7-day free trial and no permanent free plan. Flat, by contrast, has a free plan that covers up to 15 scores.
Does Flat support guitar tablature and custom tunings?
Yes. Flat writes real guitar and bass tablature alongside standard notation, supports custom tunings and a capo, and includes techniques like bends, slides, hammer-ons, and dead notes, with the tab and staff editable together.
Does Guitar Pro work on Chromebook or Linux?
No. Guitar Pro 8 runs on Windows and macOS only. Flat runs in any browser, so it works on Chromebook and Linux, and it also has native Mac and Windows apps.