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Grammarly vs Apache OpenOffice Comparison (2026)

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Grammarly

Apache OpenOffice

Overview

Cloud-based AI writing platform delivering real-time grammar, tone, style, and clarity suggestions across web, desktop, and mobile.

Apache OpenOffice is an open-source office suite that helps organizations create spreadsheets, presentations, and graphics, among other files. The writer module offers document templates, which allow team members to create letters, agendas, and faxes with table of contents, references, and notes.

Platforms supported

Web-based
iPhone app
Android app
Windows Phone app

Typical customers

Freelancers
Small businesses
Mid size businesses
Large enterprises

Customer support

Phone
Online
Knowledge base
Video tutorials

view more detailsview details

Platforms supported

Web-based
iPhone app
Android app
Windows Phone app

Typical customers

Freelancers
Small businesses
Mid size businesses
Large enterprises

Customer support

Phone
Online
Knowledge base
Video tutorials

view more detailsview details

Video & Screenshots

No videos yet

Pricing

Starting from

/user

Per month

Free trial available
Credit cardless trial
Free account
Subscription based

Starting from

No pricing info

Free trial available
Credit cardless trial
Free account
Subscription based

User reviews

4.7

7.2K

5.4K

1.5K

158

Value for money

Ease of use

Features

Customer support

90%

would recommend this app

4.4

502

261

175

Value for money

Ease of use

Features

Customer support

73%

would recommend this app

Pros

“The best thing is that it has everything to check content quality, including plagiarism, AI, grammar error, etc. which makes it best for writers and those who want supreme content quality.”

Preeti J.

Digital Marketing Analyst

“It improves clarity, professionalism, and consistency across business communication while helping catch grammar, spelling, and tone issues before messages are sent.”

Jennifer H.

Service Billing Administrator

“grammarly business has made writing with our team much easier it quickly spots mistakes suggests better ways to phrase sentences and helps keep the tone right this is especially useful for emails and documents that multiple people work on the platform is simple to use and everyone was able to start right away when we had questions customer support responded quickly and fixed any issues”

matt p.

operations executive

Pros

“Using Apache OpenOffice feels like a trip back to the mid-2000s desktop computing era. While it reliably fulfills fundamental document and spreadsheet tasks without costing a cent or locking data behind cloud servers, its slow update cycle, clunky handling of modern file formats, and absence of team collaboration make it best suited for light, offline personal use rather than modern, fast-paced workflows.”

Elisabetta M.

Marketing JR

“In addition, it can open and edit various types of files in different formats.”

Bruno M.

IT Marketing Intern

“It does take a little fiddling to get setup to really be ready to usebut and amazing open source option”

Andrew P.

NOC Engineer

Cons

“One small downside is that some of Grammarly's suggestions can occasionally feel unnecessary at times, particularly when writing personalized messages that does not fit the intended tone of the message I am trying to write.”

Jordan V.

Sales Development Specialist

“Additionally, the cost can be relatively high for smaller teams compared to simpler grammar tools, which can make ROI feel unclear if you’re only using basic proofreading features.”

Kai Z.

realtor

“Sometimes, Grammarly does not even wait for the sentence to complete and start showing suggestions which is not only wrong but also frustrating.”

Preeti J.

Digital Marketing Analyst

Cons

“Crucially, it lacks native cloud sync, real-time collaboration features, and mobile app integration, while also trailing behind modern alternatives like other free competitors in terms of regular feature updates and performance optimization.”

Elisabetta M.

Marketing JR

“In addition, unlike some other office suites, it doesn't have such convenient and necessary tools as Real-time document editing and cloud storage functions, and it also lacks a more rapid development process.”

Bruno M.

IT Marketing Intern

“The suite suffers from stagnant development, resulting in an outdated visual interface and persistent formatting issues when opening modern Microsoft Office XML files (.docx, .xlsx).”

Elisabetta M.

Marketing JR