Grammarly
AI writing assistant that checks grammar, style, tone, and clarity across every app you write in.
Overview
Grammarly is one of the most widely used AI writing tools in the world, with over 30 million daily active users. Founded in 2009, it predates the modern LLM era and has been enhancing its core grammar and spell-checking technology with increasingly sophisticated AI capabilities over the years. The product works as a browser extension, desktop app, and keyboard integration that operates across Gmail, Google Docs, Microsoft Word, Slack, and virtually any text input on a computer.
Grammarly's AI checks go far beyond grammar: it evaluates tone (is your email coming across as aggressive or friendly?), clarity (are your sentences too long or complex?), engagement (is your writing boring?), and delivery (is your word choice appropriate for the audience?). The GrammarlyGO generative AI feature, added in 2023, allows users to generate full drafts, rewrite sections, and adjust formality with a prompt.
For business teams, Grammarly Business provides a style guide feature where companies can define approved terminology, brand voice, and writing rules that are enforced across the entire organisation. In Singapore and across ASEAN, Grammarly is widely used for business English correspondence — a critical skill in multilingual professional environments.
Pricing
Pricing shown for reference only. These figures reflect RECATOOLS research as of 8 May 2026 and may be out of date or incomplete. This is not financial or purchasing advice — always confirm the current price on the provider’s official website before making any decision.
Use cases
ASEAN Perspective
Grammarly in Southeast Asia
ASEAN-region availability and pricing notes coming soon. Drop the editorial team a note via /contact/ if you can supply local context (Singapore/Malaysia/Indonesia/Thailand/Vietnam).
Grammarly is the most established AI writing assistant, offering grammar, spelling, clarity and tone suggestions plus generative drafting and rewriting, embedded almost everywhere you type via browser extension, desktop and mobile. Its strengths are ubiquity, reliable mechanics checking and a smooth, low-learning-curve experience, with a usable free tier and a Premium tier for advanced rewriting and style controls. It suits professionals, students and teams who want consistent, polished English across all their apps.
Honest caveats: it is tuned for English (with strongest results in US/UK styles), its generative features now overlap with general chatbots, and Premium/enterprise pricing adds up for what is essentially writing polish. Privacy-minded users should review how content is processed. ASEAN access is unrestricted and it handles regional English well, though non-English language support is limited. A dependable, easy choice for English writing.
Notable facts
- Grammarly processes over 10 billion words per day across its user base, making it one of the largest natural language processing deployments in the world.
- The company was founded in Kyiv, Ukraine, and the founding team continues to maintain significant operations in Ukraine despite relocating headquarters to San Francisco.
- Grammarly's tone detector analyses over 30 different tones including 'formal', 'confident', 'direct', 'friendly', and 'diplomatic'.
Frequently asked questions
About this listing
This entry was compiled from publicly available data including Grammarly's official website, press releases, documentation, and reputable third-party publications. RECATOOLS is not affiliated with Grammarly unless explicitly stated.
Third-party AI tools update their pricing, features, availability, and policies frequently. Information here may be outdated by the time you read this — we make reasonable efforts to keep listings current, but cannot guarantee absolute accuracy.
For the latest details, please refer to Grammarly directly →
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