# PaperTrack > Secure document sharing platform with page-by-page analytics, watermarking, NDA gates, and virtual data rooms. Full analytics included on the free tier. PaperTrack gives document senders complete visibility and security after sending sensitive files. Track who opens your documents, which pages they read, how long they stay on each page, and when they forward links to others. ## Core Features - **Page-Level Analytics**: See heatmaps and exact time spent per page for every viewer. - **Access Control & Expiration**: Protect files with passcode verification, link expiration dates, download toggles, and one-click access revocation. - **Dynamic Watermarking**: Automatically embed the viewer's email address and timestamp across shared PDF pages. - **NDA Access Gates**: Require viewers to sign or accept a custom Non-Disclosure Agreement before viewing files. - **Virtual Data Rooms (VDR)**: Organize multi-document due diligence files into secure rooms with file-level permission controls and activity audit logs. ## Target Audience - **Founders & Startups**: Track investor engagement on fundraising pitch decks. - **Sales & Revenue Teams**: Identify hot leads by seeing which deal terms and proposal pages prospects read most. - **Legal & M&A Teams**: Manage confidential due diligence documents and contracts with signed NDAs and audit trails. ## Pricing Summary - **Starter (Free)**: $0/month. Up to 10 active links, full page-by-page analytics, email verification, standard watermarking. - **Growth**: $29/month. Unlimited links, custom domain and logo branding, dynamic viewer watermarking, NDA workflow, up to 5 data rooms. - **Enterprise**: $79/month. Unlimited data rooms, granular group logs, DRM protection, SOC2/GDPR compliance reports, SAML SSO. For full pricing details, see [Pricing Markdown](https://papertrack.io/pricing.md). ## Key Links - [Features](https://papertrack.io/features) - [Pricing](https://papertrack.io/pricing) - [Security & Compliance](https://papertrack.io/security) - [Fundraising Use Case](https://papertrack.io/use-cases/fundraising) - [Data Rooms Use Case](https://papertrack.io/use-cases/data-rooms) - [Sales Proposals Use Case](https://papertrack.io/use-cases/sales-proposals) - [DocSend Alternative](https://papertrack.io/compare/docsend-alternative) - [Papermark Alternative](https://papertrack.io/compare/papermark-alternative)