About this app
Proportions are no problem anymore. For this, only 3 of 4 variables must be entered. All calculations are stored in the history. The final solution can be shared. [ Content ] - the variables must be entered - calculation with the rule of proportion - history function that saves input - detailed solution - the entering of fractions and decimals is supported - constants can be entered - no ads! [ Usage ] - there are 4 fields for entering the values using a modified keyboard - if you have entered wrong values or values are missing, the text fields are highlighted - you can switch between the solution, input view and history by swiping and / or touching the buttons - the entries in the history can be deleted or sorted manually - if you select an entry in the history, it will be loaded automatically for the calculation - the entire history can be deleted by pressing a key
Latest release
What’s New
The latest release 'Least common multiple' is linked in the menu section now. Minor performance and UI fixes.
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 Sep 16, 2026 · 1:14 PM Free
Screenshots
