| What it does | Browser-based YouTube ad blocker with background play, no installation required
| Private Prolific study notifications for Chrome, Discord, Telegram and Pushover
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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: browser alerts, local milestones, 5 external-alert batches per rolling 24-hour period. Premium: £4.99 one-time payment for lifetime access, includes unlimited external alerts, filter profiles, alert schedules, Remote snooze and resume, custom sounds, and local Study Trends.
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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
| - Browser and Discord, Telegram, Pushover notifications
- Reward, availability, time, and keyword filters
- Reusable filter profiles and alert schedules
- Local Study Trends with 7, 30, 90, and 12-month views
- Remote snooze and resume from phone alerts
- Local milestones and progress tracking
- 14-day Premium trial with no card required
- Monitoring health status display
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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
| - Private alerts sent only to services you control, not to StudyChime
- Does not automatically accept, reserve, refresh, complete or submit studies
- No Prolific password or cookie permissions required
- Local-first data storage with privacy-minimised Study Trends
- One-time £4.99 lifetime Premium purchase with no subscription
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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 |
| DR (Domain Rating by Ahrefs) | 22 ▼ −1 (down) since last check | 1 ● no change since last check |
| Trust Flow (Majestic) | 6 | 0 |
| Citation Flow (Majestic) | 22 | 14 |
| Referring domains (Majestic) | 123 | 3 |