Casi – Spanish Practice

Now with simplified feedback!

Build Spanish confidence with real-time, natural feedback.

Casi is your personal guide to speaking Spanish naturally and confidently, no matter where you're learning from. Get instant corrections that go beyond "right or wrong," showing you the most authentic way natives would say it. No streaks, no notifications, just focused practice that fits your life.

Built by an indie developer traveling through South America who was frustrated with generic apps and unnatural translations. Casi focuses solely on Spanish to help you sound like a local.

How Casi Works • Think it: Type what you want to say in English. • Try it: Write your Spanish version. • Fix it: Receive a score, natural alternative, and clear explanations.

Practice that feels real • Sound natural, not robotic • Helpful feedback with explanations • Simple, distraction-free design • Ideal for all levels: Beginners building habits, intermediates breaking the "understand but can't speak" plateau, travelers going beyond basics

Download Casi and start speaking Spanish with confidence today.