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| Feature | Tampermonkey | Violentmonkey | Safari Userscripts | Greasemonkey | | :--- | :--- | :--- | :--- | :--- | | | ❌ No | ✅ Yes | ✅ Yes | ✅ Yes | | Performance | Medium | High | High | Medium | | Script Support | 100% | 99% | 90% | 85% | | Privacy | Low/Medium | High | High | High | | Mobile Support | Android (Limited) | Android (via Kiwi) | iOS/macOS | None | tampermonkey alternatives