# BlackBook > Private personal CRM for iPhone by Earnestly Studios LLC. BlackBook helps people remember the people who matter, follow up at the right time, and keep relationships warm. It is designed for personal relationship management, not sales pipelines. ## Key pages - Homepage: https://blackbook.earnestlystudios.com/ - Share page: https://blackbook.earnestlystudios.com/share.html - Sitemap: https://blackbook.earnestlystudios.com/sitemap.xml - Privacy policy: https://earnestlystudios.com/blackbook_privacypolicy - Terms of use: https://earnestlystudios.com/blackbook_tos - App Store: https://apps.apple.com/app/id6756908563 ## Quick facts - Platform: iPhone / iOS - Category: private personal CRM - Core features: Pulse dashboard, reminders, contact notes, meetup tracking, introduction tracking, digital business card - Privacy model: your iCloud container, no ad tracking, no data sale model - Pricing: free plan available; BlackBook Pro includes a 7-day free trial ## Common questions - What is BlackBook? A private personal CRM for iPhone. - Who is it for? People who want a better system for remembering, reconnecting, and following up with important contacts. - Is it private? Yes — it is designed around your personal iCloud container. - Can I try it? Yes — start free and upgrade to Pro if you want the full workflow.