Train your voice and sharpen your ideas with daily speaking challenges and instant AI feedback.

Speak every day, improve every day.

Nabla gives you one new speaking challenge every day.
Whether it’s defending an idea, telling a story, or improvising on the spot, you’ll practice the real skills that make a great speaker.

Nabla doesn’t just rate you, it teaches you.
Each challenge comes with smart, contextual feedback that highlights exactly what you said, explains why it matters, and offers clear, concrete ways to improve.
Every comment is specific, actionable, and designed to help you grow, fast.

Nabla makes speaking practice exciting.
Compete on daily challenges, see how you rank each week, and push yourself to the top.
It’s not just practice, it’s a game that makes you better.

Challenge yourself. Climb the ranks.

Get personalized, actionable feedback.

🧠 Turn thoughts into Influence.

“It’s not just practice, it’s a game that makes you better. ”

⚙️ How it works.

A powerful daily ritual, built to sharpen your speech.

You’ll see the type (e.g. Defend a position, Describe something), but not the topic. Everyone gets the same challenge — surprise fuels creativity.

Unlock the daily challenge

Select the language you want to practice in. You’ll get 30–60 seconds to organize your thoughts before speaking.

Pick your language & get ready

You have 30–120 seconds to speak, depending on the challenge type. Stay focused, structured, and authentic.

Deliver your answer

Nabla scores your performance and provides smart, contextual feedback that’s concrete, actionable, and tailored to what you actually said.

Receive AI-powered feedback

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📲 Download the app today — it's free.

Join thousands improving their eloquence every day — grab the app and get started.