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.
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.
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
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.
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.
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.
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.
Five screens that show what Luma actually does. Tap or click a card to bring it forward.
Six curated AI characters plus a Pro-exclusive persona — or create your own with a custom name, prompt, and avatar.







Six capabilities that together make Luma more than a chatbot.

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

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

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

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

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

Google Play subscription, in-app rewards, premium themes, shared plans and dictionaries with owner-controlled review.
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.
Free to try. Pro unlocks a smarter AI model and removes every daily limit.
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.
Pro subscription at $12 / month, billed and renewed by Google Play Billing. Auto-renew, region pricing and refunds follow Google Play rules.
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.
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.
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.
Luma is a real shipping product. Here is what's live, what's next, and what comes after.
A short version of the questions most people ask first. The full FAQ has more detail.
A mobile AI companion with selectable personalities and rolling memory, powered by Google Gemini, with built-in planning, organizer, Growth Hub, and personal dictionaries.
Pro is a Google Play subscription. The app refreshes subscription status automatically during normal use and purchase flows.
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.
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.
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.
Every core feature is free. Pro removes daily limits, unlocks the smarter AI model, and adds collaboration features.
| Feature | Free | Pro |
|---|---|---|
| AI model | Standard | Smarter Gemini model |
| Curated personalities | 6 | 6 + Joi (Pro-only) |
| Custom personalities | 1 (1-day cooldown) | 3 (no cooldown) |
| Dictionary practice | Daily limit | Unlimited |
| Planner capacity | 50 | 200 plans / 500 tasks |
| Growth Hub workspaces | Local-only | Cloud sync |
| 24-hour chat snapshots | — | ✓ |
| Shared plans & dictionaries | — | ✓ |
| Premium themes | — | ✓ |
| Rewarded ads | Optional, for Coins | Optional |
| Price | $0 | $12 / mo · via Google Play |
These pages explain the app's core legal and support information: user rights, data processing, service rules, and account deletion instructions.
Covers account data, AI processing, cloud sync, subscriptions, rewarded ads, and how user data may be shared with service providers.
Covers acceptable use, subscriptions, virtual rewards, AI disclaimers, moderation, and limitations of the service.
Explains in-app deletion, email fallback, timing, and what categories of data may still be retained for security or billing reasons.
Answers common questions about app features, subscriptions, privacy, account handling, and support.