Grammarly vs planka
Side-by-side comparison of features, pricing, ratings, and alternatives.
Grammarly is an AI writing assistant that checks grammar, spelling, punctuation, and style in real time across browsers, desktop apps, and mobile keyboards. It integrates directly into Gmail, Google Docs, Microsoft Word, Slack, and thousands of other websites via a browser extension. Beyond basic correctness, Grammarly analyzes tone and clarity, suggesting rewrites to make writing more concise, confident, or friendly depending on the context and audience selected by the user. GrammarlyGO adds generative AI features for drafting emails, replying to messages, and rewriting passages on demand, while Grammarly Business adds brand style guides and analytics for teams that need consistent written communication across an organization.
Planka is an open‑source, Kanban‑style project management tool that lets teams create projects, boards, lists and cards. Its drag‑and‑drop interface updates instantly for all connected users, and card descriptions support full Markdown. Designed for self‑hosting via Docker, Planka offers OpenID Connect SSO, notifications to over 100 providers, and full internationalisation. A hosted cloud version and a paid Pro edition are also available.
Free for basic corrections; Premium starts at $12/month, Business at $15/user/month.
- Works across almost every app via browser extension
- Good tone and clarity suggestions beyond basic grammar
- GrammarlyGO speeds up drafting
- Free tier is genuinely useful
- Open-source and free to self‑host
- Real‑time synchronization across users
- Rich Markdown support for detailed cards
- Extensive notification integrations
- Premium features behind a subscription
- Occasional over-aggressive suggestions
- Privacy concerns for some sensitive writing contexts
- Self‑hosting requires Docker knowledge
- Limited native reporting features
- Pro version needed for advanced admin tools
What reviewers say
Grammarly Reviews
3.0 (2)Good, not great
Grammarly is solid overall, though it's not perfect. On the plus side, good tone and clarity suggestions beyond basic grammar. That said, premium features behind a subscription, which held us back from rating it higher.
Good, not great
Mixed feelings about Grammarly after using it for a while. On the plus side, free tier is genuinely useful. That said, privacy concerns for some sensitive writing contexts, which held us back from rating it higher.
planka Reviews
No reviews yet.
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The Verdict
AI-generated from listing dataGrammarly is the safer default for most writers needing robust grammar, tone, and cross‑app support, while Planka offers deeper AI‑generated content assistance and analytics for collaborative writing teams.
Key differences
- •Grammarly works via browser extensions across virtually any app; Planka is a cloud SaaS focused on its own interface.
- •Planka provides real‑time collaboration and detailed writing analytics; Grammarly’s collaboration is limited to shared style guides.
- •Grammarly includes plagiarism detection and tone detection; Planka emphasizes AI‑generated content suggestions and style adaptation.
- •Grammarly has a paid premium tier with clear pricing; Planka’s free tier is limited and its pricing model isn’t detailed.
- •Planka is open source (12,270 GitHub stars) and offers an API; Grammarly is closed source.
Pricing & value
Grammarly offers a free tier and transparent premium pricing; Planka’s free version is limited and pricing not specified.
Ease of use / learning curve
Grammarly’s browser extension is plug‑and‑play; Planka has a steep learning curve per its cons.
Features & depth
Planka adds AI content generation, analytics, and customization beyond basic grammar checks.
Integrations & ecosystem
Grammarly integrates with Gmail, Google Docs, Word, Slack, and works in many apps; Planka only integrates with popular writing tools (unspecified).
Collaboration
Planka supports real‑time multi‑user collaboration; Grammarly’s collaboration is limited to style guides.
Scalability
Planka is cloud/SaaS with open‑source code, allowing self‑hosting or scaling; Grammarly is a hosted service only.
Support & security
Grammarly provides Help Center and email support; Planka’s support details not specified, and privacy concerns noted for Grammarly.
Choose Grammarly if…
Individual writers or professionals who want instant grammar, tone, and cross‑app assistance.
Choose planka if…
Teams needing AI‑generated content, analytics, and open‑source flexibility.
Common questions
Which tool is cheaper for a solo writer?
Grammarly offers a free tier and a $12/month premium; Planka’s free tier is limited and paid pricing is not disclosed.
Can I use the tool inside Google Docs?
Grammarly works directly in Google Docs via its extension; Planka integrates with writing platforms but specific Google Docs support isn’t specified.
Do either of these tools allow self‑hosting?
Planka is open source and can be self‑hosted; Grammarly is a closed‑source SaaS only.