
DuoBrain: Speak at Work
Practice hard conversations
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Free
In-App Purchases
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About
Soft skills you can actually practice.
DuoBrain is a simulator for the conversations that matter at work: giving feedback, pushing back on a deadline, defending a decision, asking for a raise, holding your ground in a tense meeting.
Every quest is a real scenario. You pick how to respond, then explain your reasoning by voice or text. AI breaks down how clearly your idea landed: how you opened, whether your reasons held up, whether you named the outcome, and how it flowed.
WHAT YOU TRAIN
- Saying what you think without over-explaining
- Disagreeing without sounding aggressive or vague
- Structuring an argument on the spot
- Four communication styles: Drive, Influence, Support, Clarity
HOW IT WORKS
1. Read the scenario
2. Choose a response
3. Explain why you chose it
4. Get a score and a breakdown of what worked
PREMIUM
Word-by-word coaching: which sentences to keep, tighten or rewrite, plus a stronger version of your answer.
Built for professionals who work in English but think in another language, and for anyone whose ideas are sharper than they sound.
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What's New in DuoBrain
1.5.0
September 28, 2026
Improved feedback quality and app performance.
6
Subscriptions & In-App Purchases
1 Month Membership
1 Month Membership
$24.991 Month





