Question: Is there a language learning service that offers a free trial period and has a subscription model with access to detailed progress tracking and smart algorithms?

Tutur is a more extensive AI-powered language learning platform with a tutoring system. It tracks your fluency progress, analyzes your speech, and supports more than 10 languages. You can see your progress on a dashboard and practice with fluent tutors. Tutur also offers a 7-day free trial so you can see how its personalized approach to language learning works. The service costs €5 per month for a Basic plan and €10 per month for a Pro plan with unlimited interactions.

Lingvist is another full-featured option with more than 50 courses on the web and mobile. It personalizes learning with AI technology based on real-world situations, focusing on vocabulary in context and spaced repetition for better retention. With features like Custom Decks for industry-specific vocabulary and bite-sized lessons, Lingvist is adaptable to your learning style. You can try it with a free trial period, and there are several subscription tiers to match your budget.

Talkpal is a GPT-powered service that helps you improve speaking, listening, writing and pronunciation with interactive conversations and real-time feedback. It supports many languages, and immersive roleplays and debates make it more engaging. Talkpal offers a free plan with basic chat abilities and two premium plans with a free trial period. The premium plans offer unlimited practice and personalized feedback, so it's a good option if you want to focus on speaking.

If you want to practice conversations with a more realistic exchange, Talkio AI offers interactive conversations with AI tutors for more than 40 languages. It includes a pronunciation practice tool, interactive wordbook and a streak system to track your progress. Talkio AI also lets you communicate with native speakers, so it's a good environment to improve speaking. It offers a 7-day free trial and several subscription tiers, including premium voices and dialect support.