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Mobile App
UI/UX Design
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Hi, Yuki — ready for today.
TODAY · 9:00 AM · 30 MIN
TODAY'S MISSION
Lead with the finding
Open with "the headline is…" instead of "so basically what we did was…"
+20 XP ◆ Mission
Join Zoom
Practice
Q2 Roadmap Review — with Marcus, Alana, David
Brief
Live
Debrief
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You
LIVE · 12:04
Marcus speaking
12:01 "What's your honest read on bandwidth?" OPEN
12:03 Marcus paused — your turn coming up. CUE
SOTTO LISTENING
"Honestly, we're stretched. Let me show the trade-offs."
Next ▸
Brief
Live
Debrief
Sotto
01 11

About Us

"

Sotto is a voice companion designed to carry confidence in the gap between understanding and speech — for the moment when fluency falls short of intention.

Tabitha Han
Designer · Researcher
Project
Sotto — Voice Companion
Industry
AI · Communication
Location
San Francisco, USA
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Problem & Solution

Problem
Non-native English speakers freeze in the 1–2 second window between hearing a question and forming a fluent reply — losing turns, ideas, and authority in the room.
Solution
Sotto whispers a phrasing in your ear the moment you need one — preserving your voice, your timing, and the confidence to keep speaking.
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User Research

78%
of non-native English professionals withhold contributions in meetings due to phrasing anxiety.
1.5B
English-as-second-language speakers globally — outnumbering native speakers nearly 5 to 1.
5 : 1
2.4s
average window before a meeting turn passes — far shorter than the time it takes to translate, decide, and speak.
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Companion Avatar

One companion. A thousand voices.
Each Sotto companion is calibrated to your origin, role, and register — appearance, voice, and personality tuned for a "caring motive" users perceive as more trustworthy and empathetic than a neutral assistant.
YOUR COMPANION
Yuki · Tokyo
PM · Tech · Direct register
ArjunIN · Eng
MarcoIT · Design
AmaraNG · Exec
SofiaUK · Media
ZaraKE · UX
AppearanceHalo color & weight tuned to your cultural register.
VoiceAccent, tempo, breath — calibrated to your origin and pace.
PersonalityCaring motive — never neutral, never manipulative.
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Live Cues

Real-time phrasing, delivered in your ear.
Sotto listens to the room, marks each opening or pause, and slips a single phrasing into your peripheral view — calibrated to tone, timing, and the cultural register of the speaker.
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You
LIVE · 14:22
Alana speaking
14:18 "Where do you see the biggest scope risk?" OPEN
14:21 Alana paused — your turn coming up. CUE
SOTTO LISTENING
"Honestly, we're stretched. Let me show the trade-offs."
Next ▸
Brief
Live
Debrief
9:41●●●● 􀙇 􀛨
14:22 · Q2 Roadmap Review
PERIPHERAL · LIVE
Marcus is asking about bandwidth — Sotto surfaces a single phrasing on the rim of view.
Marcus · "honest read on bandwidth?"
SOTTO WHISPERS
"Honestly, we're stretched. Let me show the trade-offs."
CC
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Pre-Meeting Brief

The 60 seconds before you join.
One mission, one phrasing rehearsal, and the room context — drawn from the calendar invite and prior threads, so you walk in already half-fluent in the conversation.
Today's mission A single behaviour to practice today.
Phrasing rehearsal The opener to use, with the one to avoid.
Streak + XP Daily mission rolls into your fluency arc.
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Tomorrow at 9:00 — let's prep.
Q2 ROADMAP · 4 PEOPLE · 30 MIN
CONTEXT · FROM INVITE
Marcus wants risk first
Open with "the biggest risk is timeline" instead of "there are a few things to consider…"
⌗ Glossary · 3 ◐ Cultural note
Join Zoom
Rehearse
Marcus prefers direct disagreement over polite hedging.
Brief
Live
Debrief
07 / 11
07 11

Reflect & Grow

The lessons stay. The anxiety doesn't.
Each meeting becomes a star on your fluency map — what you mastered, what's still fading — and a peer card from someone working through the same shape of difficulty.
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GROWTH
Your fluency map
Constellation
+41%
confidence
28 phrasings · 6 weeks
mastered new fading
"Lead with the finding" joined the mastered cluster this week. Two phrasings are starting to fade — Sotto will resurface them.
Skills preview
7-DAY
Headline-first78%
Brief
Live
Debrief
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SKILLS · 7 DAYS
Behaviour metrics
This week
VS. LAST
Headline-first openings+22%
You're starting answers with the finding, not the setup.
Hedging filler−18%
Fewer "kind of," "I guess," "maybe" before claims.
Hold the floor+12%
Pausing instead of yielding when interrupted.
Question-stacking+9%
Watch for asking three questions in one breath.
Peer working through the same shape
Mei · 上海
PM · 4 yrs
+12 nearby
"I dropped 'so basically' as a warm-up — replaced with a single sentence headline."
WORKED +38% confidence in 3 weeks
Brief
Live
Debrief
08 / 11
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UI Design

A black-canvas surface system with iridescent moments, voice-first hierarchy, and one mission per day — built to read in bright daylight and the dim of a 9 PM call.
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Hi, Daniel — ready for today.
TODAY · 2:30 PM · 45 MIN
TODAY'S MISSION
Pause, then answer
Try "let me think for a moment" instead of "um, well, I think maybe…"
+15 XP ◆ Mission
Join Meet
Practice
Investor sync — with Priya, Tom, Jules
Brief
Live
Debrief
09 / 11
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Set your context

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