随易

"SUIYI" is a pure and professional complete set of divination tools tailored for researchers of I Ching and enthusiasts of fortune telling. Adhering to the principles of "local priority and restrained purity," it offers a smooth and seamless chart viewing experience with no ads or in-app purchase pop-ups.

【Core Features and Highlights】

▶ Unique "Three-Character Combination" Simultaneous Comparison
Breaking down traditional tool barriers, it supports simultaneous display of Four Pillars of Destiny, Zi Wei Dou Shu, and Seven Stars and Four Auxiliary Stars. It perfectly achieves cross-chart linkage of Earthly Branches, making the study of the central palace, opposite palace, and mutual verification with the star chart clear at a glance.

▶ 12+ Professional Charting Modules Covered

• Four Pillars of Destiny: Professional detailed chart and basic natal chart dual views, detailing hidden stems, ten gods, Na Yin, auspicious and inauspicious stars, and the clashes, combinations, and harms of major and minor cycles.

• Zi Wei Dou Shu: Complete with 14 main stars, secondary stars, and four transformations. Exclusively supports three linked views: Flying Stars, Three Harmonies, and Four Transformations.

• Seven Luminaries and Four Auxiliary Stars: Based on the authoritative and high-precision local calculations of the Swiss Ephemeris, accurately reproducing the 28 Mansions, Hua Yao, Major Limits, and Monthly Limits.

• Classical Numerology Categories: Integrates Xuan Kong Feng Shui (Three Cycles and Nine Periods/Annual Chart/24 Mountains), Da Liu Ren (Three Transmissions and Four Lessons), Qi Men Dun Jia (Rotating Plate/Flying Plate), Jin Kou Jue (Four-Digit Divination), Liu Yao Plum Blossom Divination (Coin Divination/Plum Blossom Numerology), Xiao Liu Ren, etc.

• Modern and Western Systems: Simultaneously supports Western astrology (Natal Chart/Retrogression Chart Comparison) and modern Anthropomorphism (BodyGraph Nine Centers/Channels/Gates Interpretation).

【Our Three Restrained Promises】

① Local Priority: All core calculations for chart generation are completed locally on the device. The underlying astronomical engine has undergone multiple rigorous regression tests, allowing for instant chart generation even without an internet connection, maximizing the protection of your data privacy.

② Truly Pure: Uninterrupted reading flow, no promotional placements on function pages, zero ads, and zero unwarranted authorization requests. ③ Simple and practical: Supports one-click quick login with email/Google account, facilitating backup and recovery of your historical charts across multiple devices.

Open the entire star chart with one app. Whether you are a beginner or a seasoned scholar, "Suiyi" is an invaluable hardcore academic companion in your hand.

*The current version is a public beta. We welcome your valuable feedback through the app or the official website.