About this app
4 Percent allows you to calculate percentages - simple percentage calculator - percentage increase/decrease - tip calculator - Price vs. quantity calculator - discount calculator Business calculators - markup & margin calculator - compound interest - cumulative growth - VAT - Sales tax Percentage Calculator is useful in many situations: - school (math, statistics, algebra) - business and finance (markup, profit margin, cumulative growth, compound interest). - shopping (discounts, comparison of two products that differ in quantity) - cooking (ingredients are often shown in percentages) - health (BMI index, fat percentage in food)
Latest release
What’s New
ios version update
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 27, 2026 · 3:09 AM $0.99
Screenshots
