Purpur a day

Professional online Blood Alcohol Content (BAC) calculator that estimates your alcohol level based on your drinking habits, physical data, and time elapsed.

A front-end development practice mini-program with a clean interface, practical features, a comprehensive question bank, and clear answer explanations.

Organize and store medical files for yourself, your baby, and loved ones with ease.

iOS anti-addiction app with scheduled reminders and app blocking to help you reduce phone overuse, take regular breaks, and protect your eyesight.

Free ancient poetry calligraphy practice sheets, a great helper for both handwriting practice and learning

Quickly look up food calories and nutrition details, get AI-recommended meal plans, and access handy health calculation tools and more.