Skip to main content

Blens vs CardGo.AI

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Blens compared with CardGo.AI
DetailBlens logo BlensCardGo.AI logo CardGo.AI
What it doesBrowser extension that tracks browsing habits and provides productivity insights with privacy-first approach AI context cards for ChatGPT, Claude, Gemini, Perplexity and Grok
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Freemium
PricingNot given Free plan: $0 forever, 7 cards, CardGo AI: 10 messages and 10 hosted analyses a day. Pro plan: $9.90 per month, 50 cards, CardGo AI: 100 messages and 100 hosted analyses a day. Max plan: $19.90 per month, Unlimited cards, CardGo AI: 300 messages and 300 hosted analyses a day.
Key features
  • Browsing Analytics - Track time spent on different websites with detailed breakdowns and visualizations
  • Creativity Assessment - Evaluate browsing diversity and depth with proprietary algorithm
  • Productivity Insights - Identify peak productive times and distractions
  • Time Tracking - Monitor daily, weekly, and monthly browsing patterns with charts
  • Local Storage Only - All data stored on device, never sent to servers
  • Data Encryption - Local data encrypted for maximum security
  • Customizable UI - Dark and light modes with personalized dashboard layout
  • Full Control - Delete data at any time or choose which websites to track
  • Multi-browser Support - Compatible with Chrome, Edge, and Firefox
  • Save context once as encrypted cards with seven sections
  • End-to-end encrypted with AES-256-GCM
  • Works with ChatGPT, Claude, Gemini, Perplexity and Grok
  • Sync across devices
  • Card suggestions while typing
  • Create multiple context cards with different details
  • Filter sensitive details before sharing
  • Dream cards feature to auto-generate card suggestions
What makes it different
  • Completely privacy-focused - no data ever sent to servers or shared with third parties
  • Unique Creativity Score - proprietary algorithm evaluates browsing patterns for exploration diversity, engagement depth, browsing balance, connection making, and browsing rhythm
  • Local-only processing - all data stays on your device with no external tracking
  • Self-awareness through objective data - understand personal browsing habits with clear visualizations
  • One card works across five different AI services
  • Eliminates need to re-explain context to each AI chat
  • No credit card required to start
  • Context attached only when you choose
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)4 no change since last check3 no change since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)1826
Referring domains (Majestic)3241

4 details filled in for both companies.

More alternatives to Blens More alternatives to CardGo.AI

Help centre