
Roofr
iRoofing
RoofSnap
ScopeQueue
EstimateHawk
RooferPro
RoofScope powered by Scope Technologies
Stop climbing roofs to measure them. $40/mo unlimited.

The modern platform for creating, sharing, and collaborating on AI prompts. Advanced version control and real-time testing.

Website, pricing, platforms and company facts side by side.
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| Website | exactsquares.com | diffyn.com |
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As answered by people managing ExactSquares and Diffyn.
ExactSquares's answer
It's the cheapest satellite roof measurement tool on the market at $40/mo unlimited. No per-report fees, no contracts. Competitors like EagleView charge $15-25 per report and Roofr starts at $90/mo. ExactSquares delivers results in 10 seconds, not hours.
Diffyn's answer:
Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.
ExactSquares's answer
EagleView reports cost more than an entire month of ExactSquares. Results are instant instead of waiting 2-48 hours. Plus it includes shingle cost estimates for GAF, Owens Corning, and CertainTeed, branded customer proposals, and PDF reports — all included in the $40/mo.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
ExactSquares's answer
Google Solar API for satellite imagery and roof analysis, Next.js for the web application, Vercel for hosting, Supabase for authentication, and Stripe for payments.
Diffyn's answer:
React, Next.js, POSTGRESQL
ExactSquares's answer
Roofing contractors, estimators, and small to mid-size roofing companies who need fast, accurate roof measurements without climbing ladders or paying expensive per-report fees.
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
ExactSquares's answer
Built by a contractor who got tired of paying $25 per EagleView report and waiting hours for results. We wanted a tool that gives roofing contractors instant satellite measurements at a price that makes sense for small businesses. So we built one.
Diffyn's answer:
I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.
ExactSquares's answer
We just launched and are focused on serving independent roofing contractors and small roofing companies across the United States.
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Upload the carrier's estimate and your roof photos; get back an itemized supplement — each item with its reason, code section and photo. $39.99 a file.
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