| What it does | Browser-based YouTube ad blocker with background play, no installation required
| AI context cards for ChatGPT, Claude, Gemini, Perplexity and Grok
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| Stage | Startup
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| Founded | 2025
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| Based in | Not given
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| Pricing model | Free
| Freemium
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| Pricing | Completely free with no registration, no subscription, and no hidden charges.
| 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.
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| Key features | - Ad blocking for all YouTube ads including pre-roll, mid-roll, and overlay ads
- Background audio playback on iOS and Android
- Playlist support with full ad-free playback
- Video downloading in high quality
- Dark mode and light mode themes
- Support for 8K and 4K video quality
- DJ Mode for mixing and crossfading two YouTube videos
- Sleep timer to automatically pause videos after a preset duration
| - 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
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| What makes it different | - Works on all devices without installation or account creation, including iPhones and devices where browser extensions cannot be installed
- Uses YouTube's official embed player, making it impossible for YouTube to detect or block unlike browser extensions
- Completely free with no hidden charges, funded by community support and ethical partnerships rather than user data
- All viewing history stored locally in browser with zero server-side access or data collection
- Simpler alternative to Vanced and ReVanced that requires no APK, patching, or technical setup
| - 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
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 22 ▼ −1 (down) since last check | 3 ● no change since last check |
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| Trust Flow (Majestic) | 6 | 0 |
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| Citation Flow (Majestic) | 22 | 26 |
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| Referring domains (Majestic) | 123 | 41 |
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CardGo.AI