SPEKTR vs Perimeter PRO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SPEKTR
Streamline foundation inspections with a guided process for identifying products and recording specifications. Upload images directly into your reports for comprehensive documentation. Designed for efficiency and accuracy in the field.
- Step-by-step inspection process
- Foundation product identification
- Record quantity, load, depth, pressure
- Upload product images
- Generate inspection reports
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SPEKTR was developed by foundation engineers for foundation inspectors. We know how important it is to maintain the accuracy of inspection reports while maximizing efficiency. The SPEKTR app provides a simple step-by-step process that leads users through identifying foundation products, selecting the appropriate specs such as quantity, load, depth, pressure, and more. Images of the product can be uploaded and submitted as part of the final inspection report. It’s that easy!
Perimeter PRO
This augmented reality tool allows users to measure outdoor spaces and create professional blueprints. It's ideal for professionals and DIYers needing precise measurements for planning, design, and sharing.
- Measure outdoor spaces with AR
- Calculate area, perimeter, and volume
- Generate detailed, editable blueprints
- Save and organize projects
- Export and share blueprints as PDF
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Transform the way you measure outdoor spaces with Perimeter, the ultimate augmented reality tool for professionals and DIY enthusiasts alike. Whether you’re a landscaper, contractor, gardener, or simply planning a home project, Perimeter makes it easy to get precise measurements and create professional blueprints. Key Features: • Measure with AR: Simply walk around any outdoor space and place markers using your device’s camera. Perimeter instantly calculates the area and perimeter with pinpoint accuracy and you can calculate volume too in multiple units by entering your desired thickness. • Generate Detailed Blueprints: Convert your measurements into detailed, editable blueprints. Perfect for planning, design, and presentations. • Save & Organize Projects: Keep all your projects organized in one place. Easily access and update your measurements and blueprints whenever needed. • Export & Share as PDF: Once your blueprint is complete, export it as a high-quality PDF. Annotate, draw, and share with clients, colleagues, or contractors in just a few taps. Who’s it for? • Gardeners & Landscapers: Plan and visualize your outdoor projects with ease. • Contractors & Builders: Get precise measurements for foundations, patios, and more. • DIY Enthusiasts: Take the guesswork out of home improvement projects. • Real Estate Professionals: Accurately measure and present property layouts. Why Choose Perimeter? • Accuracy & Simplicity: Harness the power of augmented reality for precise, real-time measurements. • Professional Output: Create industry-standard blueprints that you can print, share, and present. • Time-Saving: Streamline your workflow, from initial measurement to final presentation. Download Perimeter today and take your outdoor projects to the next level with advanced AR technology.
Screenshots
Verdict
The clearest difference is review sentiment: SPEKTR at 100% against Perimeter PRO's 40%. SPEKTR also leads on rating (5.0 vs 3.0) and in-app purchases (none vs 2). Perimeter PRO's advantage is update cadence (every 3 days vs every 3 weeks) and ratings volume (8 vs 1). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Perimeter PRO sells 2 one-off in-app purchases. SPEKTR asks for nothing beyond the download.
SPEKTR holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: Perimeter PRO has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of SPEKTR's written reviews are positive against 40% of Perimeter PRO's.
SPEKTR ships an update every 3 weeks, Perimeter PRO every 3 days. The most recent releases landed on August 19, 2026 and September 24, 2026 respectively.
| Parameter | SPEKTR | Perimeter PRO |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.0 (8 ratings) |
| Positive reviews | 100.0% of reviews — better | 40.0% of reviews |
| Number of ratings | 1 | 8 — better |
| Update frequency | Every 3 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 37 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Stark Innovative LLC | Viszt Peter |
Customer experience
SPEKTR
Perimeter PRO
In-app purchases
SPEKTR
No in-app purchases
Perimeter PRO
- Unlimited exports$4.99
- PRO version$4.99









