FAQ
Does BrainShield replace Grammarly?
No. They do entirely different things. Grammarly improves your writing with AI. BrainShield measures the cognitive cost of using AI tools — including Grammarly. Use Grammarly to write better, and BrainShield to make sure your AI-heavy workflow isn't quietly burning you out.
Does BrainShield track Grammarly usage?
Yes. BrainShield automatically detects Grammarly along with 165+ other AI tools. It tracks time spent, context switches, and how Grammarly contributes to your overall cognitive load picture — especially valuable when you're using multiple AI tools simultaneously.
Is BrainShield's scoring scientific?
Yes. BrainShield's wellness score is adapted from NASA's Task Load Index (NASA-TLX), the gold standard for measuring cognitive workload. It incorporates research on attention residue, circadian rhythms, and context-switching costs.
Does BrainShield have a free plan?
Yes. Free shows you the score — real-time wellness scoring across 165+ AI tools and basic break reminders. Wellness ($12/mo) shows you the details — tool breakdowns, trends, and 30-day history. Balance ($19/mo) gives you the intelligence to optimize — AI-powered insights, productivity scoring, forecasts, and data export.