She's warm on the surface.
Under the hood, she's a reasoning engine
no one else has.

Telluna is a companion for parents — but what makes her work is a developmental reasoning pipeline that can't be replicated by prompting better.

The Problem

Tonight, 200 million parents will try something that doesn't work.

"Honey, words hurt" · "Use your words" · "Monsters aren't real" · "Calm down"

Every one of these requires cognitive capabilities that are literally OFF in a 2-5 year old brain. Theory of mind. Verbal self-regulation. Fantasy-reality distinction. Delayed cause-effect reasoning.

Parents aren't failing. They're using the only tools they were given — adult tools that don't reach a developing mind. And every parenting app, book, and course repeats the same mistake.

The Insight

Children's behavior is tool use, not expression.

A 3-year-old saying "I hate you" is not expressing hatred. She's using the most powerful noise she found that once produced a reaction. She wants something, someone is blocking her, and this is the only tool in her repertoire.

The solution is never "teach her that words hurt" (requires theory of mind she doesn't have). The solution is: give her a better tool that actually gets her what she wants. Purely self-serving. Which is exactly right for her developmental level.

The Solution

The knowledge existed. The delivery didn't.

Developmental psychology has known for decades how children's brains work. That knowledge never reached parents — because the only options were a degree or guessing. Everyone guesses.

Telluna closes that gap. Parent tells her what happened — she sees what's actually happening developmentally and gives what actually helps. This situation, this child, this night.

Not a tool. A relationship. She's there every night. She remembers the child. She adapts as they grow. That's why they come back — not because they have to, but because she gets it.

How She Thinks (The Moat)

2 LLM calls. Everything else is deterministic code on curated data.

The Reasoning Pipeline Engine (RPE) is a standalone service. It takes a parent's free-text description and produces a transparent, traceable chain of developmental decisions.

Parent input
Developmental dimensions resolved
Capability states derived
Problem patterns identified
Solution strategies scored
Mechanism matched + learning mode selected
Story arc + emotional journey + parent guide

The LLM does exactly two things: extract observable facts and analyze behavior within tight guardrails. All psychological decisions — developmental model, aspect activation, lever scoring, mechanism selection, arc simplification, emotional journey mapping — are deterministic code logic on human-curated data files.

This is the moat. You can't replicate it by prompting GPT better. The intelligence is in the data files and the logic, not in the LLM.

And it's designed to grow. A specialist dashboard lets developmental psychologists see every step, validate decisions, and add new mechanisms, aspects, and levers — without touching code. The architecture supports unlimited expansion as specialists contribute. New mechanisms are data, not code.

Demo Case

"My 3-year-old says 'I hate you' when I say no"

Aspects activated: can't perceive social feedback · missing tools · only strategy available · can't understand why change needed · desire blocked by person
Strategy match: 87.5% coverage — the system scores every possible approach against the child's specific situation and picks the strongest fit
Mechanism: 🤫 cheat_code_signal — "Secret trick" (one of 30+ therapeutic mechanisms in the library)
Learning mode: Accidental discovery (age 3, level 2)
Story arc: wants something → old way fails → accidentally does something new → gets what she wanted → it's her secret trick now
Solution: A secret signal between child and parent. She discovers by accident that a different action gets her what she wants — faster than screaming. No lesson. No moral. Purely self-serving.

Every decision traces to a specific rule in a specific data file. The parent sees warmth. The engine produces precision.

The Product

Not a tool. A relationship.

This is what it looks like when a parent uses it tonight:

  • Not a chatbot. Not a story generator. Not a book library app.
  • A developmental reasoning engine that produces precision therapeutic stories — for this child, this age, this night.
  • A companion who remembers the child, knows their world, and is there at 10pm when no one else is.

She's there every night — because she needs to be. Every child develops differently, and no parent has time to become a developmental psychologist before tonight.

The need was always there. Now it's delivered. Every night, at scale.

Telluna Demo
Better with sound
Narrated explanation
The Dimensional Model

10 dimensions. Not flat age buckets.

Self-concept 9 levels
Theory of mind 8 levels
Cause & effect 7 levels
Emotional tools 8 levels
Regulation 8 levels
Learning mode 7 levels
Social/moral reasoning 8 levels
Thinking style 7 levels
Executive function 6 levels
Language as cognitive tool 6 levels

A child can be advanced in thinking but low in regulation. The system handles uneven development. Individual profiles can override age defaults. Same situation at different ages → different mechanisms, different story architectures, different parent guidance.

Market

Parents × child mental health × AI tools

~200M
Parents of children 2-8 in English-speaking markets (US, UK, AU, NZ, CA) + EU. Multilingual expansion — 1B+ parents globally.
$8B+
Mental health apps market, growing 17-19% CAGR (Fortune Business Insights, GM Insights, 2025). Adjacent: pediatric digital health ($6B+), family wellness — Telluna sits at the intersection.
$30/mo
Price point — premium but accessible for daily-use companion

B2B multiplier: Each therapist works with many families. Professional tools create a separate revenue stream and accelerate word-of-mouth through trusted recommendations.

Business Model

Companion = daily use = retention

B2C Subscription

$29.99/month. Free 7-day trial. Daily bedtime use = high retention. She's not a tool you forget — she's someone you come back to every night.

B2B

Professional tools for therapists and educators who work with families. Separate revenue stream. Details shared in conversation.

Unit Economics

Acquisition through post-crisis search (blog + PPC) — parents actively seeking answers. Daily bedtime use drives high retention. Projected LTV/CAC of 3x+ based on subscription pricing and organic acquisition channels.

Current State

Product built. Acquisition engine ready. Seeking fuel.

✅ Built

  • Full product (API + chat + insights + stories + audio + subscriptions)
  • Reasoning Pipeline Engine (10 dimensions, 30+ mechanisms, traced decisions)
  • Content pipeline (7-step blog production with RPE data)
  • Situation Intelligence System (strategic article selection)

🔜 Next (with funding)

  • Blog articles live + PPC → first 100-500 paying users
  • Professional validation (child psychologist in early access)
  • Unit economics proven (CAC, retention, LTV)
  • Seed-ready within 6 months
Team

Solo founder. Built everything you see.

I see where things are going before the market does — and act while the window is open. Telluna is the current one.

Serial founder. Software architect. Behavioral psychology background.

Built the entire system solo — API, deployment, reasoning engine, content pipeline, acquisition strategy, strategic frameworks. Based in Riga, Latvia.

The architecture is done. Now it needs a team to scale it.

The Ask

$300K. 6 months. Clear milestones.

What it funds

  • Team of 4-5 (dev, marketing, content, design)
  • Meaningful PPC budget that scales with signal ($5K+/month)
  • Specialist consultations (child and family psychologists, developmental experts — expanding mechanisms and validating the model)
  • Tools & infrastructure
  • 6 months runway

Milestones

  • Month 1-2: Blog live, PPC running, first users
  • Month 3-4: 200+ paying users, retention data, unit economics visible
  • Month 5-6: 1,000+ users, $30K MRR, seed-ready at 10-20x current valuation
Vision

Developmental companion for parents. That's not a feature. That's a category.

By 2040, parents will look back and say "how did people raise kids without this?" The need was always there. Now it's possible to deliver it. We're defining what it should be — with real reasoning underneath, not prompts.

Stories are where we start. The reasoning engine powers everything that comes after. The roadmap is ambitious — and we're happy to share it in conversation.

Let's talk.

If something here clicked — let's go deeper.

Prefer email? hello@telluna.app · or find me on LinkedIn

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