Stay free if you only need 500-word limit per check and core grammar and spelling reports. Upgrade if you need everything in premium and plagiarism checks (50 per year). Most solo builders can start free.
Why it matters: Real-time editing performance is noticeably slower than Grammarly, particularly on longer documents where batch analysis is recommended instead
Available from: Premium
Why it matters: Can produce false positives on style suggestions, especially with creative or intentionally unconventional writing β requires writer judgment to filter
Available from: Premium
Why it matters: The free plan's 500-word limit makes it impractical for evaluating the tool on real documents before committing to a paid plan
Available from: Premium
Why it matters: User interface is functional but less polished than Grammarly's, with a steeper learning curve to navigate the numerous report types effectively
Available from: Premium
Why it matters: Advanced feature not available in free plan.
Available from: Premium
Why it matters: Advanced feature not available in free plan.
Available from: Premium
The free plan of ProWritingAid typically includes basic features with usage limitations, while paid plans offer advanced features, higher limits, priority support, and additional integrations. The specific differences depend on their current pricing structure.
Consider upgrading to a paid ProWritingAid plan if you're hitting usage limits, need advanced features, require priority support, or want access to additional integrations. Upgrade when the tool becomes central to your workflow and the additional features provide clear value.
Free plans typically have limitations on usage quotas, feature access, support availability, and integration options. These limitations are designed to let you test the core functionality while encouraging upgrades for serious usage.
If ProWritingAid offers a free tier, you can typically use it indefinitely within the usage limits. If it's a free trial, the duration is usually clearly stated (commonly 14-30 days). Check their terms of service for specific details.
Start with the free plan β upgrade when you need more.
Get Started Free βStill not sure? Read our full verdict β
Last verified March 2026