About this app
Chemistry learning aids. The interface is clear and the functions are simple. No internet connection is required. Chinese and English versions can be switched at any time. Contains features: Chemical equation Periodic table Molar mass calculation Common name query Substance color query Metal activity table Solubility ... There are many more features coming soon!
Latest release
What’s New
Fixed some bugs.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 21, 2026 · 12:26 AM Free