Make a difference.

Master your most valuable asset.
Nabla helps you speak with clarity, confidence, and fluency—every day.

Nabla is a public speaking training app that transforms public speaking into an interactive, measurable, and competitive experience. Our app stands out for its:

1. Varied daily public speaking challenges:
- 7 distinct exercise formats (defending a position, answering a question, creative description, etc.)
- Ability to practice in different languages according to your goals
- Stimulating constraints that strengthen adaptability and verbal creativity

2. Accurate and personalized assessment
- Quantitative analysis based on 4 essential criteria (clarity, structure, vocabulary, plus a criterion specific to each challenge)
- Personalized qualitative feedback generated by AI
- Progress tracking to identify areas for improvement

3. A motivating competitive dimension
- Daily and weekly rankings
- Performance comparison with other users
- Points system encouraging regular practice

4. A viral social experience
- Shared challenges creating a learning community
- Short and engaging format suitable for sharing

This app responds to the growing need to develop essential public speaking skills in a professional and personal context, while making this learning fun, measurable and socially stimulating.