Ryddle vs ChessBook Reader

Access 100+ AI models in one app. Switch between ChatGPT, Claude, Gemini, Grok, DeepSeek, Llama, Mistral, Qwen and more to compare answers and choose the right model for every task. ALL YOUR AI MODELS IN ONE PLACE Stop jumping between separate AI apps. Ryddle brings leading proprietary and open models into one simple chat experience, with one history and one familiar interface. COMPARE AI MODELS AS YOU CHAT Change models during a conversation to explore another answer, reasoning style or creative direction. Keep the context and continue with the model that works best for your task. WHAT YOU CAN DO • Chat with 100+ AI models • Switch models during a conversation • Ask questions using advanced reasoning models • Generate images directly in chat • Analyse PDFs, images and other files • Search the web with AI • Dictate prompts with voice input • Write, code, translate, study and brainstorm BUILT FOR REAL WORK Use Ryddle for research, document analysis, coding, writing, homework, planning and everyday questions. Choose a fast model for quick answers or a powerful reasoning model for more demanding work. FLEXIBLE ACCESS Start with free daily messages, then choose a plan with higher limits and premium models when you need more. Plan availability and pricing are shown in the app for your storefront. Ryddle is an independent multi-model client and is not affiliated with the model providers named above. Model availability can change as providers update their catalogues. Image generation and other advanced features require an eligible paid plan. Availability depends on the selected model. Subscription prices and included features are shown in the app before purchase. Privacy Policy: https://ryddleai.com/privacy Terms of Use: https://ryddleai.com/terms Support: https://ryddleai.com/contact

ChessBook Reader — your chess library, brought to life Turn any chess book into an interactive study session. ChessBook Reader opens your PDF and EPUB chess books, recognizes the diagrams and move notation on the page, and lets you replay every game and variation on a real, interactive board — right beside the text. Whether you're working through a classic opening manual, an endgame treatise, or an annotated games collection, you'll never lose your place between the printed board and the moves again. WHY CHESSBOOK READER • Read PDF and EPUB chess books in a clean, distraction-free reader • Automatically recognizes board diagrams from the page • Understands chess notation — including older English descriptive notation (P-K4, Kt-QB3, PxP, Castles) • Tap through the moves and watch them play out on an interactive board • Built-in scanning: turn a paper book into a readable, playable file • Works fully offline — your books stay on your device • Sync moves live to a Chessnut Move board, or play out any position against the built-in chess engine FOR EVERY CHESS READER From beginners following their first opening book to club players studying classic masters, ChessBook Reader bridges the gap between reading about chess and actually playing through it. Chessnut Move board sync and Play vs Computer are free to try — 5 sessions total, shared between them. After that, a one-time Pro Unlock keeps both available for good, on every device you sign in on. Download ChessBook Reader and rediscover the chess books on your shelf.