Frequently Asked Questions

Nexus AI is an intelligent AI assistant that works across multiple platforms. Use our Chrome Extension to capture web context, the Dashboard for deep analysis and document processing, and our Mobile app for on-the-go access. All your conversations and context sync seamlessly across devices.

Nexus AI is available on:
• Web Dashboard - Works in any modern browser
• Chrome Extension - For Google Chrome and Chromium-based browsers (Edge, Brave, etc.)
• Mobile App - iOS and Android (coming soon)

The web dashboard works directly in your browser with no installation required. For the Chrome Extension, you can install it from the Chrome Web Store. The mobile app can be downloaded from the App Store or Google Play.

Yes! Our Free plan includes 15 AI requests per month, access to the Chrome extension and mobile app, and 7 days of history retention. It's perfect for trying out Nexus AI before committing to a paid plan.

Absolutely! You can upgrade or downgrade your plan at any time from your dashboard. When upgrading, you'll be charged the prorated amount. When downgrading, the change takes effect at the end of your current billing cycle.

Yes! We offer annual billing with a 10% discount compared to monthly billing. You can switch between monthly and annual billing at any time from your billing settings.

We accept all major credit cards (Visa, Mastercard, American Express), PayPal, and in some regions, local payment methods. All payments are processed securely through Lemon Squeezy.

Security is our top priority. We use enterprise-grade AES-256 encryption for all data at rest and TLS 1.3 for data in transit. Our infrastructure is hosted on secure cloud providers with SOC 2 compliance.

No, never. We do not use your personal data, conversations, or uploaded documents to train AI models. Your data is used solely to provide you with the service and is never shared with third parties.

Yes! You can delete your conversation history anytime from the dashboard. If you want to completely remove your account and all associated data, contact our support team and we'll process your request within 48 hours.

Yes, Nexus AI is fully GDPR compliant. We respect your rights regarding data access, portability, and deletion. You can review our privacy practices in detail on our Privacy Policy page.

Nexus AI uses a combination of leading AI models including OpenAI GPT-4 and Google Gemini. We automatically select the best model for your task and have fallback systems to ensure high availability.

API access is available on our Business plan. You'll get REST API access with your API key, rate limits based on your plan, and comprehensive documentation. Contact sales for enterprise API needs.

On Pro and Business plans, you can upload PDF, DOCX, TXT, and CSV files for analysis. Maximum file size is 10MB for Pro and 50MB for Business plans. We're constantly adding support for more file types.