About this app
Quickly learn or study the names and symbols of the chemical elements in the periodic table (Mendeleev) by taking the free multiple choice quizzes.
Latest release
What’s New
Version 1.38
Dec 1, 2025
iOS 26 compatibility
Audience growth
Ratings growth
7-day gain
+0
Ratings / day
0.0
30-day gain
+0
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
Current
Free
Historical low
Free
Paid → free
0×
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 21, 2026 · 12:25 PM Free
Screenshots
