Question: Is there a dictionary app that integrates with language learning exercises and provides visual sentence diagrams?

If you want a dictionary app that's integrated with language learning exercises and that shows visual sentence diagrams, Write2Learn is a good choice. The tool uses AI technology and incorporates authoritative dictionaries like Collins and Cambridge to help learners interact with words in a more interactive and immersive way. It also offers interactive dialogues, AI-powered text analysis and visual sentence diagrams that break down sentences so you can see how they're constructed. It also has customizable AI models, data management for tracking progress and customizable prompts to fine-tune learning.

Another all-purpose tool is eJOY, which offers a more complete English language learning package. It includes an AI-powered dictionary, AI-boosted explanations, PDF translation and interactive games for vocabulary and grammar exercises. eJOY also has smart review systems and spaced repetition algorithms to help you remember things. The service offers different pricing tiers, so it's good for students, professionals and language learners who want to improve their skills.

If you want a more general-purpose language learning service, Lingvist uses AI technology to personalize learning. With more than 50 courses, it focuses on vocabulary useful for real-world situations and uses contextualized learning to help you remember words. The service includes Custom Decks for vocabulary related to specific industries and bite-sized lessons you can learn at your own pace. It offers flexible subscription plans and a free trial, so it's good for a variety of learners.