Ruler •
Matrix Software Co. Utilities iPhoneiPadiPod touch
Ruler • is a free Utilities app for iPhone and iPad by Matrix Software Co. Rated 4.2/5 from 419 ratings. Requires iOS 13.0. Updated April 16, 2026.
- Rating
- 4.2
- 419 ratings
- Price
- Free
- on the App Store
- Size
- 6 MB
- Age 4+
- Updated
- Apr 16
- 2026 · v1.5
Screenshots
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
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.
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Screen Ruler: Measure Length
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Ruler / Measuring Tape
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Ruler, Measuring Tape - AR App
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Ruler - CM, MM, Inches
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Rul3r
4.4
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Ruler AR - Measuring Tape Cam
4.3
| 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 →