Grammarly vs Wandpen: Which Writing Assistant Fits You Best in 2025?

Grammarly has been the go-to writing assistant for over a decade. Wandpen is the new challenger — built for writers who want AI-powered editing without distractions or privacy trade-offs. Both tools can improve your writing, but they take very different approaches.

In this comparison, we’ll look at AI capabilities, workflow experience, pricing, and privacy to help you decide which tool makes sense for your writing style.

Grammarly at a Glance

• ✅ Strong grammar and spell checking
• ✅ Widely recognized brand, trusted by teams and schools
• ✅ Built-in plagiarism checker (Premium)
• ❌ Limited rewriting and creative capabilities
• ❌ Data processed in the cloud only

Best for: Writers who mainly want grammar corrections and plagiarism detection in an easy-to-use package.

Wandpen at a Glance

• ✅ Distraction-free AI writing (no red lines or popups)
• ✅ Powered by advanced models like GPT-5, Claude 3.7, Gemini Pro
• ✅ Unlimited on-device AI for private, offline use
• ✅ Works in any text field on the web (Google Docs, Gmail, LinkedIn, forums, etc.)
• ✅ Unique BYOK (Bring Your Own Key) option for lifetime access
• ❌ Newer tool with a smaller ecosystem compared to Grammarly

Best for: Writers who want next-gen AI rewriting, privacy-first workflows, and seamless integration anywhere they write.

Feature Comparison

AI Capabilities: Corrections vs. Creativity

• Grammarly shines at grammar corrections, clarity improvements, and tone adjustments. But its rewriting power is limited — better for polishing than for creating.
• Wandpen is designed around cutting-edge AI models. Beyond grammar, it can rewrite, expand, summarize, and shift tone on demand, making it more versatile for modern content creators.

Winner: Wandpen for creativity; Grammarly for strict grammar enforcement.

Workflow and Writing Experience

• Grammarly: Constant red squiggly lines keep you aware of mistakes, but they can be distracting. On unsupported sites, you may need to copy-paste into their editor.
• Wandpen: Only appears when you press a shortcut (Option + W / Alt + W). This keeps your screen clean until you want AI help, and it works in any browser text box.

Winner: Wandpen for focus; Grammarly for users who prefer real-time correction.

Privacy and Data Control

• Grammarly: Processes all text in the cloud. Data passes through external servers, which may concern privacy-conscious users.
• Wandpen: Runs unlimited AI locally (Gemini Nano), uses local voice transcription, and lets you connect your own API keys (BYOK). Only your email is stored for login.

Winner: Wandpen for privacy-first users.

Pricing

• Grammarly: Free tier is limited; Premium starts at $12/month, Business at $15/member/month.
• Wandpen: Free Forever tier includes unlimited on-device AI, 100 monthly cloud generations, and unlimited voice input. Pro is $10/month. BYOK lifetime access is a one-time $19.

Winner: Wandpen for value and flexibility; Grammarly for plagiarism detection (Pro).

Which Tool Should You Choose?

• Pick Grammarly if: You need reliable grammar checks, plagiarism detection, or you’re part of a team that already uses it.
• Pick Wandpen if: You want cutting-edge AI rewriting, distraction-free writing, and full privacy control.

Final Verdict

Grammarly remains strong for grammar policing and academic use, but Wandpen is built for the future of writing — blending advanced AI, privacy, and universal compatibility.

If you’re tired of red lines breaking your flow or you want AI help beyond basic corrections, Wandpen is worth trying alongside Grammarly. Many writers use both — Grammarly for formal proofreading, Wandpen for rewriting and productivity.

Try Wandpen

• 🆓 Install Wandpen free
• 🚀 Test unlimited on-device AI instantly
• 💎 Upgrade to Pro or BYOK when you need advanced models