Side by side
| Feature | Zenfeed | AI Content Shield |
|---|---|---|
| Price | Free, no tiers | Freemium — free core blocking; Pro subscription (price not published) for advanced detection and custom filters |
| Platforms | LinkedIn, X/Twitter, YouTube | Google AI Mode/AI Overviews, YouTube, TikTok, X/Twitter, Instagram, Facebook, Threads, Reddit, Pinterest, LinkedIn, Gmail, Amazon, eBay, general web |
| Account required | No | Not required |
| AI-content detection | Yes — Rest from AI keyword/phrase sweep, active only while the timer runs | Yes — always-on blocking across all listed platforms |
| Promoted + Suggested filtering | Yes, toggle per category | Not part of its stated feature set — focused on AI-generated content specifically |
| Keyword blocking | Yes — custom keyword list, always on | Custom filters available in the Pro tier |
| Timed auto-restore | Yes — 15/30/60 min or a custom duration, everything comes back automatically when the timer ends | No — always-on blocking, not time-boxed |
Why someone might choose Zenfeed
Zenfeed is fully free with no subscription tier, and pairs AI detection with promoted/suggested post filtering and custom keyword blocking, which aren't part of AI Content Shield's stated feature set. The Rest from AI timer is also a different mechanic entirely — a scheduled break that ends and restores itself, rather than an always-on filter.
Why someone might still want AI Content Shield
AI Content Shield's platform coverage is far broader — Reddit, Facebook, Instagram, Threads, Pinterest, Gmail, Amazon, eBay, general web, and Google's AI Mode/AI Overviews are all places Zenfeed doesn't reach at all. It also has a larger install base and rating (4.4★, 222 ratings, 10,000+ users), which points to a longer track record than Zenfeed's.
Source
AI Content Shield facts above (pricing, platforms, ratings) are from its live Chrome Web Store listing, checked July 23, 2026: 4.4★ (222 ratings), 10,000+ users, updated July 22, 2026.
Frequently Asked Questions
Does Zenfeed or AI Content Shield cover more platforms?
AI Content Shield covers far more ground — it works across Google's AI Mode and AI Overviews, YouTube, TikTok, X, Instagram, Facebook, Threads, Reddit, Pinterest, LinkedIn, Gmail, Amazon, eBay, and general web pages. Zenfeed only works on LinkedIn, X, and YouTube. If broad coverage across many sites matters most to you, AI Content Shield reaches further. If you mainly live in those three feeds and want more control features there, Zenfeed goes deeper on them instead.
Which extension is better for blocking AI content on YouTube?
Both work on YouTube, but differently. AI Content Shield blocks AI-generated content there continuously, with no time limit. Zenfeed's Rest from AI is a timed break — you set it for 15, 30, or 60 minutes, or a custom length, and everything comes back automatically when the timer ends. If you want AI content hidden permanently, AI Content Shield's always-on approach fits that better. If you just want a temporary break, Zenfeed's timer is the more direct fit.