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Screenshots

  • Ruler • screenshot 1
  • Ruler • screenshot 2
  • Ruler • screenshot 3
  • Ruler • screenshot 4

About Ruler •

Measure everything with a beautiful on-screen ruler.  Choose between inches and centimeters.  Tap the screen to start using the best multi-touch measuring system and find the size of all curious objects around you.  Also with your camera measure everything accurate by using Augmented Reality (AR) feature. 1) Allows to tape measure linear sizes in cm, inches 2) With Bubble meter allows you to level objects horizontal 3) Save measurments 4) Allows to tape measure distance from device camera to a fixed point on the detected 3D plane. 5) Angle – allows to tape measure corners on 3D planes. 6) Area and Perimeter – allows to tape measure perimeter and area of the room. 7) Volume – allows to tape measure size of 3D objects. 8) Path – allows to calculate the length and area of the path. 9) Height – allows to tape measure height relative to the recognized surface. 10) Plan – generates plan projection for drawn objects and exports it . 11) On-screen Ruler app – measure small objects directly on the smartphone’s screen.

Ratings & reviews

4.2

419 ratings

5 ★ 70% 4 ★ 9% 3 ★ 5% 2 ★ 4% 1 ★ 12%

What’s new

Version 1.5 · Updated April 16, 2026

Fixed crash bugs

App privacy

The developer, Matrix Software Co., reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Usage Data: Advertising Data

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Usage Data: Advertising Data

Used for: Third-Party Advertising

Alternatives to Ruler •

Looking for apps like Ruler •? Here are 6 similar apps on the App Store. The highest rated is Ruler / Measuring Tape (4.4/5), and all 6 are free to download.

Ruler • vs. alternatives
App Rating Price Last updated Compare
Ruler • 4.2 / 5 (419 ratings) Free April 16, 2026
Screen Ruler: Measure Length 3.7 / 5 (24) Free Oct 16, 2026 Compare
Ruler / Measuring Tape 4.4 / 5 (235) Free Oct 11, 2026 Compare
Ruler, Measuring Tape - AR App 4.3 / 5 (1,032) Free May 19, 2026 Compare
Ruler - CM, MM, Inches 3.5 / 5 (79) Free Oct 11, 2026 Compare
Rul3r 4.4 / 5 (1,099) Free Sep 23, 2026 Compare
Ruler AR - Measuring Tape Cam 4.3 / 5 (3,497) Free Jul 7, 2026 Compare

Compare Ruler • with the top alternatives: ratings, updates, ASO score and keyword gaps →