FeelAI has officially released Luna, an AI Tử Vi app designed to help users create personal birth charts, receive AI-powered interpretations, and ask questions directly based on their own charts.
Luna does not approach Tử Vi as a fixed judgment of fate. Instead, the app treats the birth chart as a multilayered “data map”: a place where users can observe themselves, identify personality tendencies, notable life stages, strengths to develop, and areas where they may need to be more cautious when making decisions.
As many people are interested in Tử Vi but often face barriers such as specialized terminology, complex interpretations, or fragmented experiences, Luna is built as a new interface layer: more accessible, more personalized, and capable of maintaining an ongoing dialogue with users.
A Tử Vi birth chart contains a great deal of information: date and time of birth, Mệnh, Cục, yin and yang, 12 palaces, star systems, periods, favorable and unfavorable combinations, and many different layers of interpretation. For those with prior knowledge, it is a rich system. For most everyday users, it can feel like a difficult matrix to read.
Luna starts from a very clear need: to help users not only “view” their chart, but also understand and interact with it.
Users enter basic information such as name, gender, date of birth, and time of birth. From there, Luna generates a personal Tử Vi birth chart and presents the main layers of information through an intuitive interface optimized for mobile devices. The chart is no longer a static image that is hard to decode, but becomes a space that can be explored section by section.
The key difference lies in the AI layer integrated directly into the experience. Instead of only returning fixed interpretation passages, Luna allows users to receive a general analysis, dive deeper into each palace, or ask contextual questions based on their own chart. This makes the experience feel closer to a conversation than a one-way report.
Luna currently focuses on four main experience groups: creating a birth chart, general interpretation, in-depth interpretation, and personalized Q&A chat.
After users provide their birth information, Luna creates a chart using the Tử Vi calculation system and displays important components such as:
Luna’s goal is not to simplify Tử Vi to the point of losing its depth, but to reorganize the information so users can approach each layer more naturally.
With general interpretation, Luna uses AI to analyze the entire chart and provide an overview of topics such as personality, development tendencies, career direction, wealth, relationships, health, and points to keep in mind.
The interpretation experience is designed as content that is generated progressively, giving the sense that AI is reasoning over the chart data. This is not merely an interface effect; it reflects Luna’s product philosophy: users should be able to feel the analysis process, rather than only receive a prepackaged result.
The interpretations in Luna are positioned as reference and exploratory information. The app does not encourage users to leave decisions entirely to the chart, but instead aims to help them understand themselves better so they can proactively adjust their behavior, habits, and choices.
In addition to the overview, users can go deeper into each palace or specific area of the chart. This is where Luna becomes useful for those who want to understand a particular topic rather than read a long interpretation from start to finish.
For example, users may be interested in the Mệnh palace, Quan Lộc palace, Tài Bạch palace, Phu Thê palace, or specific life periods. Luna will rely on the chart structure and related stars to provide a more in-depth analysis.
This approach makes the Tử Vi experience more flexible. Users do not need to read everything from the beginning, but can explore based on their needs: learning about work today, revisiting personal strengths tomorrow, or digging deeper into a period that is currently raising questions.
One of Luna’s most notable features is the ability to chat directly with AI based on a personal birth chart and conversation history.
Instead of having to interpret meanings on their own or search for the significance of each star, users can ask questions in natural language. Luna also suggests a number of quick starter questions, such as:
The important point is that AI does not answer in a vacuum. It has context from the chart and can continue the conversation based on previous questions. This opens up a new way of using the app: users can return to Luna many times, ask different questions at different moments, and build a longer journey of self-observation.
To operate AI tasks transparently, Luna uses the Mana system. This is the in-app unit used for actions that require AI processing.
Currently, Mana usage levels in Luna include:
This design helps users be more proactive in choosing their experience. If they only want an overview, they can start with one interpretation. If they want to go deeper, they can use Mana for each palace or for specific questions in chat.
Luna also includes a Mana Shop with various packages such as Starter, Explore, In-Depth, and Comprehensive. These packages are designed for different levels of need: from users who simply want to try the app to those who want to use Luna as a regular reference tool.
An interesting feature in Luna is the Community Pot, or shared community Mana fund.
Instead of Mana being only a personal resource, Luna adds a community layer: users can contribute Mana to a shared fund. Some Mana packages also include a bonus portion that is added to the community fund. The app displays a leaderboard of notable contributors and a community activity feed so users can see how the fund is being replenished.
This approach reflects a noteworthy direction for FeelAI: building AI products that do not revolve only around individual interactions between users and the model, but also create mechanisms for the community to support one another. With an app like Luna, where many people come to seek prompts for reflection, the sense of connection and sharing can become an important part of the experience.
Community Pot does not change the core nature of Luna, but adds a layer of product culture: personalized AI does not necessarily have to be an isolated experience.
Luna is designed as a standalone app, not a secondary feature attached to another system. The interface has a mystical, warm tone, focused on the mobile experience, with a logo, effects, background audio, and screens built to create a seamless feeling.
The app supports login by email or Google, allowing users to save lists of birth charts and conversations. This is especially important for a product based on personal context: users can return to charts they have created, continue Q&A sessions, or revisit topics they were previously interested in.
Luna is also prepared for a cross-platform experience. The app can be installed as a PWA on the home screen and also includes configuration for a desktop version. In addition, the system supports multiple languages, paving the way to bring the AI Tử Vi experience to more user groups in the future.
Luna is part of a broader direction for FeelAI: creating AI applications with clear context, complete product experiences, and a focus on solving specific user needs.
With Tử Vi, that need has existed for a long time. Many people want to understand themselves and find a frame of reference for thinking about work, relationships, money, health, or turning points in life. But the traditional approach often requires users to have background knowledge or depend entirely on an interpreter.
AI creates a new possibility: personalizing the interpretation experience at scale, while allowing users to ask follow-up questions, go deeper, challenge ideas, and return whenever needed. Luna was developed from that very possibility.
FeelAI does not view Luna as a tool for “predicting the future” in an absolute sense. Luna is worth trying because it turns a classical system into a modern conversational interface — a place where users can approach Tử Vi as a means of self-discovery, not as a framework that confines them.
Luna has now been released, offering a new approach for those interested in Tử Vi, AI, and self-discovery tools.
If you have ever found a Tử Vi birth chart too difficult to read, wanted to ask deeper questions after an interpretation, or simply been curious about how AI can interact with a richly structured Eastern system, Luna is an experience worth trying.
Not to find a final answer for life, but to gain an additional reference map — clearer, more personal, and more proactive.