Perimeter
AR-based measuring app for iPhone, perfect for outdoor projects
What is Perimeter? Complete Overview
Perimeter is an advanced Augmented Reality (AR) measuring app designed specifically for iPhone users. It leverages cutting-edge AR technology to provide highly accurate measurements, typically within a 1-2% difference of actual distances. The app is tailored for outdoor projects, making it an ideal tool for gardeners, landscapers, general contractors, and concrete companies. While it can be used indoors, its primary strength lies in measuring larger outdoor areas. Perimeter is free to download, with a PRO version available for a one-time purchase to unlock additional features like saving measurements and blueprints.
Perimeter Interface & Screenshots

Perimeter Official screenshot of the tool interface
What Can Perimeter Do? Key Features
High Accuracy
Perimeter delivers highly accurate measurements, typically within a 1-2% difference of actual distances. This precision is achieved through advanced AR technology, making it reliable for most outdoor projects.
Outdoor Optimization
Designed specifically for outdoor use, Perimeter excels in measuring larger areas. It's perfect for gardeners, landscapers, and contractors who need reliable measurements for their projects.
User-Friendly Interface
The app is easy to use, with intuitive controls that guide you through the measuring process. Simply point your iPhone at the area you want to measure, and Perimeter does the rest.
PRO Version
Upgrade to the PRO version with a single lifetime in-app purchase to save your measurements and blueprints. This feature is ideal for professionals who need to keep track of their projects.
Best Perimeter Use Cases & Applications
Landscaping Projects
Landscapers can use Perimeter to measure outdoor areas accurately, ensuring they have the correct dimensions for planting, paving, or other landscaping tasks.
Gardening
Gardeners can measure garden plots, flower beds, or lawn areas to plan their planting layouts effectively.
Construction
General contractors and concrete companies can use Perimeter to measure large outdoor areas for construction projects, ensuring accurate material estimates.
How to Use Perimeter: Step-by-Step Guide
Download and install Perimeter from the App Store on your iPhone.
Open the app and grant it the necessary permissions to access your camera and location.
Point your iPhone at the area you want to measure. Ensure the area is well-lit and the surface is clear and flat for best results.
Follow the on-screen instructions to scan the area. For large or uneven areas, consider scanning multiple smaller sections.
Review the measurements provided by the app. For critical projects, double-check the measurements to ensure accuracy.
If you need to save your measurements or blueprints, consider upgrading to the PRO version with a one-time purchase.
Perimeter Pros and Cons: Honest Review
Pros
Considerations
Is Perimeter Worth It? FAQ & Reviews
Perimeter uses advanced AR technology to deliver highly accurate measurements, typically within a 1-2% difference of actual distances. For best results, use it in well-lit conditions on clear, flat surfaces.
Yes, but Perimeter is optimized for outdoor use. It's best suited for measuring larger outdoor areas, making it ideal for gardeners, landscapers, and contractors.
No, the app is free to download. You can upgrade to the PRO version with a single lifetime in-app purchase to unlock additional features like saving measurements and blueprints.
Lighting conditions, the surface of the area being measured, and the steadiness of your movements can affect accuracy. For large elevation changes, scan multiple smaller areas for better results.
Perimeter is ideal for gardeners, landscapers, general contractors, and concrete companies who need accurate measurements for outdoor projects.