App Intel

Rule of Three

LiveAndre Pestana1 app · 24 installsEducationFree · contains adscom.simplernapp

Learn and calculate proportions instantly with the Rule of Three.

Alert me★ WatchOpen in Play ↗
Total installs
24
exact · Play shows 10+
Installs / day
—
measured after our second crawl (about a day)
Rating
—★
— ratings · — reviews
Released
27 Nov 2025
10mo ago
Last update
28 Nov 2025
v2.0 · 10mo ago
Countries
—
not checked yet

Install history

exact counter from Google Play
Not enough history yet — check back tomorrow
Not enough history yet — check back tomorrow

Installs per day · last 90 days

Not enough history yet — check back tomorrow

Change timeline

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Manifest analysis reads only the required APK ranges. Base APK downloads may need separate device splits to install.

Data safety

declared by the developer on Google Play
  • No data shared with third parties
  • No data collected
  • Follows the Play Families Policy

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

8 in 3 groups
4 Sensitive1 Notable3 Routine

What this app can do with your phone

  • Read photos, videos, and other files saved in your phone's shared storage
  • Add, change or delete photos, videos and other files in your phone's storage
Photos/Media/FilesSensitive2

Access to photos, videos, music and other files stored on your device

  • Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
  • Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE
StorageSensitive2

Access to files, photos and media saved on your phone's storage

  • Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
  • Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE
OtherNotable4

Access to miscellaneous device features that don't fit other categories

  • Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
  • Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
  • Connect to the internet to load content and send datafull network access · INTERNET
  • Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Full description
Rule of Three is the simplest and most intuitive way to learn and calculate proportions. Whether you're a student, a teacher, or someone who needs quick answers for everyday situations, this app helps you understand and apply the Rule of Three with clarity and confidence. ⭐ What is the Rule of Three? The Rule of Three is an easy method used to solve proportional problems. If you know three values in a proportion, the app helps you instantly find the fourth. It’s useful for math learning, financial calculations, recipe adjustments, unit conversions, and everyday reasoning. 🔢 Key Features ✔ Easy Calculations Enter the known values, tap “Calculate,” and get your result immediately. No confusion, no unnecessary steps. ✔ Learn the Concept A dedicated Learn section explains the Rule of Three in a fun, simple, and visual way. You'll discover: - What the Rule of Three is - Common real-life examples - How to calculate step by step - Interesting history and math facts Suitable for all ages and skill levels. ✔ Visual Proportion Display See your proportion represented with a colorful, easy-to-understand bar chart. Perfect for visual learners, teachers, and students. ✔ Shareable Results Generate a clean, beautiful image of your calculation to share with friends, classmates, or coworkers. Great for homework, reports, or quick communication. (Images are created locally and not stored by the app.) ✔ Designed for Everyone - Kids - Adults - Students -Teachers -Professionals - Anyone needing quick proportional reasoning The interface is clean, friendly, and suitable both for quick calculations and for learning. 📚 Where is the Rule of Three Used? - School math problems - Percentage changes - Recipe scaling - Travel and speed planning - Financial comparisons - Discounts and prices - Unit conversions - Productivity and work planning If it involves proportions, this app makes it simple. 🔒 Private by Design The app does not collect personal data, does not track you, and does not require an internet connection to function. Everything happens on your device. 🎯 Why You'll Love It - Fast and accurate - Great for learning or teaching - Helps build intuitive mathematical thinking - Clean design - No distractions - Works fully offline Master proportions the easy way. Download Rule of Three and make proportional reasoning simple, visual, and fun.

What's new

**Features** - Proportion Calculator: Input three values to calculate the fourth value based on the Rule of Three. - Rule of Three Explanation: Provides a detailed explanation of how the calculation is performed. - User-Friendly Interface: Simple and intuitive design for easy navigation and use. - Sharing Results: Share your calculations and results via social media or messaging apps. - Android Platform Support: Available on Android devices.

Growing in Education

Category →