Ruler App AR Tape Measure Tool 4+

Camera measurement, measuring

Grymala sp. z o.o.

Designed for iPad

    • 3.8 • 84 Ratings
    • Free
    • Offers In-App Purchases

Screenshots

Description

Prime Ruler: Precise measurements are always at your fingertips! Measure length, area, volume and angles with AR, photo or screen. Convenient, fast, professional!

Prime Ruler – A Versatile Tool for Accurate Measurements with AR and Traditional Features!

Prime Ruler combines augmented reality (AR) technology and on-screen tools to make measurements as convenient and precise as possible. With a redesigned interface and new features, the app is the perfect choice for both professional tasks and everyday use.

Whether you're working on construction and design projects or need quick measurements at home, Prime Ruler has everything you need for accurate and easy measurements in one app!

What’s New?

-Completely updated interface: more intuitive and user-friendly.

-Flexible measuring tape: easily measure curved objects.

-Bubble Level: Ensure perfect alignment and leveling for any surface.

-Projects: save, edit, and manage your measurements.

-On-screen ruler (1D/2D): measure directly on your device’s screen.

-Photo ruler: measure objects using photos.

-Plan mode: visualize results and plan your projects.


Key Features:

AR Ruler: Measure lengths, areas, angles, and volumes using augmented reality.

Distance Meter: Determine distances to objects.

Height: Measure the height of objects relative to a surface.

Area and Perimeter: Easily calculate surface parameters.

Flexible Measuring Tape: Perfect for non-standard and curved shapes.

Bubble Level: A precise tool for checking horizontal and vertical alignment.

Surface Level: Check the flatness of horizontal and vertical surfaces.

Angle Lock: Ideal for repeated measurements, tiling, or furniture assembly.

Slope Measurement: Determine angles of inclination, from small to steep.

On-Screen Ruler: Measure small objects by placing them directly on your device’s screen.

Photo Ruler: Measure objects using photos and reference items.

Projects: Create and save measurements for long-term tasks.


How Prime Ruler Works:

AR Tools: Activate your camera, aim at a surface, and choose the appropriate tool.

Photo Ruler: Take a picture of the object, select a reference item (like a credit card or coin), and adjust markers for accurate measurements.

On-Screen Ruler: Place the object on your screen and adjust the boundaries to get the result.

Bubble Level: Use your device’s sensors to check if a surface is perfectly horizontal or vertical.

With Prime Ruler, you’ll always have an accurate measurement tool at your fingertips!

Subscription:

Premium - 3 day free trial then 19.99$ / year (for USA)
• No ads
• Unlimited number of projects

Price may vary by country. You won’t be charged if you cancel at least 24 hours before the end of trial period. Active subscription will automatically renew unless canceled at least 24 hours before the end of the current active period (year). You can manage subscriptions in your iTunes Account Settings. Subscription is charged to your credit card through your iTunes account.

Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy - https://grymala.by/policy

What’s New

Version 2.1.0

We are excited to introduce the latest update for Prime Ruler!

In this version:

- Bubble Level: Ensure perfect alignment and leveling for any surface.
- General performance improvements and minor bug fixes.
Update the app now and share your feedback with us! Your input helps us make Prime Ruler even better. Thank you for choosing our app!

Ratings and Reviews

3.8 out of 5
84 Ratings

84 Ratings

Andy T8 ,

This app is accurate if you use it correctly

A number of negative reviews about this app being inaccurate and some saying no instructions are ALL INCORRECT. Some say it measures a bag at twice its size.

This just shows they did not follow the instructions or maybe not even read them. I’ve used this app to successfully take pictures of antique furniture when out shopping and accurately measure its size (yes you also get to keep the picture of the items with added dimensions if you want).

The KEY factor is you must have the reference object in EXACTLY the same plane, ie orientation and distance away, as the object you wish to measure. In my case a writing slope. Ideally for best accuracy choose the reference to be as close in size as possible.

Then carefully position the reference markers on the photo (the app gives you a nice zoomed in view to do this accurately) and add dimension lines which act just like auto dimensions on a CAD program.

Just to test I placed a debit card on an A4 sheet of paper and these were the results. A4 sheet 295.2 x 209.6 mm. True size 297 x 210mm. Accurate to within 1% !!

There are other similar apps that work the on the same principle but this one has an elegant user interface (UI).

Developer Response ,

Thank you!

Epocalypse999 ,

Once great then useless now great again

Previous critical 1* review below. The app has now been updated and works as before. Happy to up my rating. Pure random chance I opened it today before going to delete.

I used to use this lots for all kinds of hobby measurements. The ruler itself was fantastic and the AR options were quite useful. Now it is useless. When the ruler is displayed each centimetre is only 6.5mm in reality. Initially I thought I had a problem with my phone but I’ve tried it on 4 separate iPhones and 2 iPads and they are all giving inaccurate measurements. Tried contacting the developer to no avail.

AHC123 ,

Photo ruler

Easy to use. Just frame photo and press on home button at extremities. Incredibly quick and accrue. No fuss.

App Privacy

The developer, Grymala sp. z o.o., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Usage Data

Privacy practices may vary based on, for example, the features you use or your age. Learn More

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