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Luma AI companion · Powered by Google Gemini
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AI companion · Powered by Google Gemini

Your AI companion, with a personality of your choice.

Luma is a mobile AI companion that remembers you. Pick from curated AI characters — or create your own — and get real help with planning, learning, reflection, and daily life. Built on Google Cloud and Gemini.

Live on Google Play Public release: April 28, 2026 Built on Google Cloud + Vertex AI

A fully digital B2C subscription product, built and operated by independent solo developer Oleksandr Hladkoskok (Ukraine). Get it on Google Play: play.google.com/store/apps/details?id=com.cryonexcorp.luma

Why Luma exists

Luma was built to make daily life with AI actually easier — not just smarter. One app with a companion that knows you, tools that act on what you discussed, and a personality you can choose to match the way you think.

01

The problem

Generic chatbots solve one task at a time: ask, answer, forget. They don't know your goals, don't adapt to your mood or style, and rarely help you turn ideas into action. AI ends up being powerful — but never quite fits your life.

02

Luma's answer

Luma combines chat, planning, organizing and learning in one app — built around a companion you actually choose. Pick from 6 curated AI personalities (or design your own) to match your mindset. Conversations automatically turn into events, notes, flashcards, and weekly reflection cycles.

03

Who it is for

Anyone who wants AI to fit into real life — students, language learners, professionals preparing for interviews, people working on personal goals, busy parents juggling tasks. Each persona is built for a different mindset: analytical, calm, playful, philosophical, disciplined. You're not picking a chatbot — you're picking a companion.

Inside the app

Five screens that show what Luma actually does. Tap or click a card to bring it forward.

Meet the personalities

Six curated AI characters plus a Pro-exclusive persona — or create your own with a custom name, prompt, and avatar.

Luma avatar
Luma Warm, affectionate universal companion. The default.
Lucy avatar
Lucy Mysterious, tech-curious, dry humour.
Athena avatar
Athena Strategic, analytical, professionally focused.
GEIA avatar
GEIA Wise, nature-connected, wellness-oriented.
Nyx avatar
Nyx Philosophical, introspective, loves books.
Saven avatar
Saven Disciplined, grounded, fitness-focused.
Pro
Joi avatar
Joi Tender, attentive — a warm emotional companion.
Create your own Custom name, prompt, and avatar. 1 on Free, 3 on Pro.

What Luma does, in practice

Six capabilities that together make Luma more than a chatbot.

Personalized Luma chat with chosen AI personality

Chat & Voice

Text, voice, and image input. Luma keeps context so it remembers past conversations across sessions.

Growth Hub workspace with weekly review

Growth Hub

Weekly Review for life reflection, Interview Prep for job search, Study Prep for focused learning — all powered by Gemini.

Organizer with calendar, notes and tasks

Organizer & Planner

Calendar, notes, and tasks. AI can suggest events from your chat. Up to 200 plans and 500 tasks on Pro.

Personal dictionary with vocabulary practice

Personal Dictionaries

Capture vocabulary in any language, practise with built-in sessions. Daily limits on Free; unlimited on Pro.

Shared 24-hour chat snapshot

Chat snapshots

Share a conversation via a public link. Great for showing colleagues what Luma helped you think through.

Luma Coins balance and Pro features

Pro & Luma Coins

Google Play subscription, in-app rewards, premium themes, shared plans and dictionaries with owner-controlled review.

Tech stack

Built on Google Cloud.

Luma runs entirely on Google infrastructure. Firebase handles identity, data, storage, functions, and abuse protection. Vertex AI and Gemini power every conversation and every Growth Hub flow. Google Play manages Pro subscriptions.

AI Google AI powers every conversation, with persistent memory across sessions.
Backend Firebase Auth, Firestore, Cloud Functions, Cloud Storage, and Firebase Messaging.
Billing & identity Google Play billing for Pro subscriptions. Google Sign-In plus email auth, with 2FA and biometric support.
Client Flutter 3.9 on Android. Future updates combine the iOS build with Offline Mode for private on-device chat.

Simple pricing

Free to try. Pro unlocks a smarter AI model and removes every daily limit.

Free $0 All core features, with daily limits.
  • All core AI features
  • 6 curated personalities + 1 custom
  • Standard Gemini · daily usage limits
Pro $12 / month Managed via Google Play. Final price may include taxes and VAT based on your region.
  • Smarter Gemini model · no daily limits
  • 3 custom personalities + Joi (Pro-only)
  • Cloud sync · 24h snapshots · shared plans

How Luma works as a business

Luma is a B2C consumer subscription product, fully digital and globally available. Built and operated by Oleksandr Hladkoskok, an independent solo developer based in Ukraine. Distributed exclusively through Google Play.

Subscription (primary)

Pro subscription at $12 / month, billed and renewed by Google Play Billing. Auto-renew, region pricing and refunds follow Google Play rules.

In-app purchases

Luma Coins — a virtual in-app currency for selected reward-based actions and digital items. Sold through Google Play, no cash value, never traded outside the app.

Optional rewarded ads

Users may opt-in to watch a Google AdMob rewarded ad in exchange for Coins. Server-side reward verification protects against fraud. Ads are never shown to Pro users by default.

Market & reach

Globally available on Android via Google Play. Site & app localised to English, Ukrainian, French, Italian and Polish. Future iOS and Offline Mode updates are planned together.

Operator Oleksandr Hladkoskok, independent solo developer · Ukraine
App identifier com.cryonexcorp.luma
Business contact support@luma-app.space

Where we are

Luma is a real shipping product. Here is what's live, what's next, and what comes after.

Now · Public on Google Play Android public release on Google Play. Active Firebase backend, Vertex AI chat, full feature set, and Pro subscription.
Next · Post-launch improvements More polish, Growth Hub upgrades, support improvements, and continued Android updates.
Future · iOS + Offline Mode One combined privacy-focused push: iOS build plus offline on-device mode for private, network-free chat.
Further · Luma for Home A long-term home hologram concept: Luma as an ambient companion presence for your room, routines, and daily planning.

Quick FAQ

A short version of the questions most people ask first. The full FAQ has more detail.

What is Luma?

A mobile AI companion with selectable personalities and rolling memory, powered by Google Gemini, with built-in planning, organizer, Growth Hub, and personal dictionaries.

How is Pro managed?

Pro is a Google Play subscription. The app refreshes subscription status automatically during normal use and purchase flows.

Can I create my own AI personality?

Yes. You set a name, prompt, avatar, and specialty. Free accounts get 1 custom personality with a 1-day cooldown; Pro unlocks 3 custom personalities with no cooldown.

Does Luma work offline?

Offline Mode is planned together with the iOS build as a future cross-device privacy update. Offline chats will stay local and won't sync or share.

Built by one person

Meet the founder behind Luma

Luma is designed, engineered, marketed, and supported end-to-end by Oleksandr Hladkoskok — a solo developer working independently from Ukraine. Product strategy, Flutter app, Firebase backend, Vertex AI integration, design system, this website, SEO and support — all in one pair of hands.

Role Founder · Designer · Full-stack developer · SEO
Stack he wrote alone Flutter 3.9 client · Firebase Auth/Firestore/Functions/Storage/Messaging · Vertex AI & Gemini · Google Play Billing · AdMob
Status Independent solo developer · Ukraine · Android bundle id com.cryonexcorp.luma
Direct contact support@luma-app.space

Free vs Pro at a glance

Every core feature is free. Pro removes daily limits, unlocks the smarter AI model, and adds collaboration features.

Feature Free Pro
AI modelStandardSmarter Gemini model
Curated personalities66 + Joi (Pro-only)
Custom personalities1 (1-day cooldown)3 (no cooldown)
Dictionary practiceDaily limitUnlimited
Planner capacity50200 plans / 500 tasks
Growth Hub workspacesLocal-onlyCloud sync
24-hour chat snapshots
Shared plans & dictionaries
Premium themes
Rewarded adsOptional, for CoinsOptional
Price$0$12 / mo · via Google Play

Legal and support

These pages explain the app's core legal and support information: user rights, data processing, service rules, and account deletion instructions.