BY ERMINESOFT    UPDATED August 3, 2026

| Version | 9.1-release |
| Size | 13.4 MB |
| What's New | Bug fixed |
In today's fast-paced world, having tools that provide convenience and efficiency is essential. "Ruler" is a fantastic app that brings measurement capabilities to your fingertips. Whether you need to measure small objects or spaces up to the size of your phone screen, Ruler makes the task quick and straightforward. Let's dive into what makes this app a must-have for anyone in need of precise measurements when a traditional ruler isn't handy.
One of the standout features of the Ruler app is its simplicity. It's incredibly easy to use; just open the app and you're ready to start measuring. The intuitive interface allows you to adjust the ruler by moving your finger across the screen. You can switch between inches and centimeters with a simple tap, making it versatile for any measurement need.
Ruler is ideal for measuring items that are smaller than your phone screen. It excels when it comes to measuring nuts, bolts, washers, and grommets. Imagine you're at the hardware store and forgot to measure something before leaving home; this app can be your lifesaver. Just place the object on your screen, and you'll get an accurate measurement instantly.
Accuracy is crucial when it comes to measuring devices. The Ruler app allows for easy calibration to ensure that your measurements are spot-on. It's as simple as hitting the circle with the cross in the center or the three menu dots, lining up the marks, and adjusting as needed. This feature ensures you get the most precise measurements possible, every time.
Even though Ruler focuses on keeping things simple, it offers some extra features for added convenience. The app includes options like edge screen start, dark mode, and an always-on feature, especially useful for larger and more detailed projects. Advanced modes even allow for bi-directional measurements, making it perfect for small-scale projects that require exact dimensions.
The Ruler app works seamlessly on various devices, including Samsung and Moto 3G, making it accessible to a wide user base. It's optimized for different screen sizes and resolutions, ensuring you get accurate measurements regardless of the device you're using.
Imagine never needing to search for a physical ruler again! This app is particularly useful for quick measurements, especially for those who frequently deal with small projects or online purchases where dimensions matter. Whether you're a handyman, a knitter, or just someone who needs occasional measurements, Ruler has got you covered.
You can easily switch between inches and centimeters by tapping the relevant option on the screen.
Yes, the Ruler app includes a straightforward calibration process. Simply click the calibration menu, line up the marks using a real ruler, and adjust accordingly.
Ruler is designed for smaller objects that fit within the dimensions of your phone screen. For larger objects, a traditional ruler or measuring tape would be more suitable.
Ruler offers a free version with basic features. Additional functionalities may be available through in-app purchases or by watching short ads.
While the app allows for quick and easy measurements, there isn’t a built-in feature to save measurements directly. However, future updates might include such features.
In conclusion, Ruler is a highly practical app that simplifies the task of measuring small items quickly and accurately. Its ease of use, combined with its precision, makes it an essential tool for anyone who needs to measure on the go. Give Ruler a try and experience the convenience it offers!
Ruler is primarily a mobile app designed for smartphones. However, you can run Ruler on your computer using an Android emulator. An Android emulator allows you to run Android apps on your PC. Here's how to install Ruler on your PC using Android emuator:
Visit any Android emulator website. Download the latest version of Android emulator compatible with your operating system (Windows or macOS). Install Android emulator by following the on-screen instructions.
Launch Android emulator and complete the initial setup, including signing in with your Google account.
Inside Android emulator, open the Google Play Store (it's like the Android Play Store) and search for "Ruler."Click on the Ruler app, and then click the "Install" button to download and install Ruler.
You can also download the APK from this page and install Ruler without Google Play Store.
You can now use Ruler on your PC within the Anroid emulator. Keep in mind that it will look and feel like the mobile app, so you'll navigate using a mouse and keyboard.
