Rule of 3

Name: Rule of 3
Author: Schaefer Solutions

LiveSchaefer Solutions5 apps · 18.3K installsEducationFree · contains adsbr.com.schaefer.rule_of_three

Ideal application to calculate rule of 3, directly and inversely proportional

Alert me ★ Watch Open in Play ↗

Total installs: 15,187
Installs / day: 0
Rating: —★
Released: 26 Apr 2020
Last update: 15 Jan 2026
Countries: —

Install history

exact counter from Google Play

30dAll

Installs per day · last 90 days

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.

Data safety

declared by the developer on Google Play

Shares data with third parties App activity and Device or other IDs
Collects data App info and performance
Data is encrypted in transit
No way to ask for data deletion

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

4 in 1 group

0 Sensitive1 Notable3 Routine

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

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Full description

This app helps you calculate proportions using the rule of three. It's easy to use and includes a helpful explanation of the rule. Features: Calculate proportions using the rule of three Learn how to calculate the rule of three Simple and easy-to-use interface Benefits: Save time and effort by using the app to calculate proportions for you Learn how to calculate the rule of three so you can use it without the app Use the app in a variety of situations, such as cooking, baking, and photography Download the Rule of 3 app today and make calculating proportions a breeze!

What's new

- New calculation history with share and delete options. - Copy and share results with a friendly verbal explanation. - Refreshed interface with clearer titles and intuitive design. - Enhanced video tab with collapsible info and stable player. - Localized date formats and fixes for ad display errors.

Growing in Education

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