# Keen Research > On-device speech recognition SDKs for iOS, Android, Web, and custom platforms ## About Keen Research develops SDKs for on-device (offline) automatic speech recognition. Our technology runs locally without cloud connectivity, ensuring privacy and low latency. The SDK is powered by deep neural networks and supports real-time processing with vocabularies up to 100k words on modern devices. ## Products - KeenASR SDK for iOS (iOS 13+, XCFramework) - KeenASR SDK for Android (Android 8.1+, AAR library) - KeenASR SDK for Web (Chrome 113+, Safari 18+, WebAssembly) - KeenASR Unity Plugin (C# interface to native SDKs) ## Supported Languages - English (adults and children) - Spanish - German - French ## Key Pages - Home: https://keenresearch.com/ - Documentation: https://keenresearch.com/keenasr-docs/ - Getting Started: https://keenresearch.com/keenasr-docs/keenasr-getting-started.html - Downloads: https://keenresearch.com/keenasr-docs/downloads.html - FAQ: https://keenresearch.com/keenasr-docs/keenasr-faq.html - Blog: https://keenresearch.com/blog/ ## Use Cases - EdTech: Reading tutors, language learning, spoken assessments - Enterprise: Voice-picking, hands-free workflows, warehouse operations - Gaming: Voice interaction in mobile games via Unity plugin - Accessibility: Voice control for medical devices, assistive technology ## Why On-Device - Works offline (no internet required) - Privacy and security (COPPA/HIPAA compliant, data stays on device) - Cost effective (no per-request API fees) - Customizable (language and acoustic models can be tailored) ## Contact - Email: info@keenresearch.com - Phone: +1-415-634-5573 - Website: https://keenresearch.com