At its core, the app allows users to input two or three known variables in a proportion (e.g., A:B = C:D) and immediately compute the missing value. But it doesn’t stop there. Ratio Master also simplifies ratios to their lowest terms, scales ratios up or down, and even handles complex inverse proportions—all within a clean, ad-light interface. Before diving deeper into Ratio Master, it is essential to understand the gap in the market. The standard Android calculator (whether from Google or a manufacturer like Xiaomi) is a general arithmetic tool. It can divide and multiply, but it cannot conceptualize a proportion. To solve 3/4 = x/16 , a user must manually cross-multiply (3 * 16 / 4). This is error-prone and slow.
Have you used Ratio Master on your Android device? Share your experience or request a feature in the comments below. And if you enjoyed this guide, check out our long-form article on "Top 10 Productivity Apps for Android Engineers." ratio master android
Long-press the result to copy it to your clipboard, or use the share icon to send the calculation via WhatsApp, email, or Slack. Ratio Master vs. Other Android Ratio Apps The Google Play Store has several ratio calculators, such as Ratio Calculator by Vally Software or Proportion Solver . So why choose Ratio Master? At its core, the app allows users to