About this app
Calcium is a text editor that updates math results as you type. Use `=>` to compute expressions. It supports all kinds of units. Best of all, it's free and open source!
Latest release
What’s New
- completions act on tab, not return, so you can keep typing past a suggestion - add Service, use in Automator as a verb - fix a crash with dotted underline
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 19, 2026 · 4:52 PM Free
Screenshots
