RoofPair vs Donan Engineering
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RoofPair
Instantly identify and compare roofing shingles using photos and measurements. Access detailed product data, visualize options on a roof, and find code-compliant alternatives quickly. Streamline roofing decisions for professionals.
- Photo-based shingle identification
- Shingle visualizer
- Comprehensive product database
- Smart matching engine
- Real-time comparisons
- Technical documentation access
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Roof Pair App – The Ultimate Roofing Identification & Comparison Tool Overview: Roof Pair App is the all-in-one solution for roofing professionals, contractors, insurance claims managers, and distributors to identify, compare, and recommend shingle products with speed and confidence. With an intuitive interface and a powerful internal database, users can access detailed product visuals, technical documents, and real-time comparison tools making roofing decisions faster and more accurate than ever. Key Features: Instant Photo-Based Shingle ID – Upload 3 images and basic measurements to receive a detailed identification report, including product data sheets and all supplemental documents. Shingle Visualizer – Preview how any major brand or model will look on a homeowner’s roof with high-quality visual overlays. Comprehensive Product Database – Search thousands of current and discontinued shingle products from every major manufacturer. Smart Matching Engine – Match existing shingles by brand, color, dimensions, and visual attributes. Real-Time Comparisons – Instantly compare alternatives side-by-side, both visually and technically. Technical Documentation & Compliance – One-tap access to brochures, data sheets, and code compliance information. Optimized for All Roofing Stakeholders: • Contractors – Save time and money by instantly matching and presenting product alternatives during client meetings. • Distributors & Suppliers – Improve customer service by quickly identifying products and providing region-specific inventory insights. Why Roof Pair? Eliminate the delays and high costs of third-party lab reports Close jobs faster with real-time product suggestions Offer informed, code-compliant, and visually accurate alternatives Support decision-making with complete, manufacturer-backed documentation Find, Compare & Select – All in One Place. Roof Pair puts shingle identification and product matching at your fingertips—smarter, faster, and more affordable than ever. Legal & Policies Privacy Policy: https://roofpair.com/privacy-policy Terms & Conditions: https://roofpair.com/terms-conditions EULA: https://roofpair.com/eula
Donan Engineering
This tool assists insurance professionals with field inspections by guiding them through data collection. Submit your findings and receive a sealed engineering report with answers from a licensed professional engineer, typically within 3 business days.
- Guided field inspection protocol
- Photograph and documentation collection
- Sealed engineering reports
- Answers from licensed professional engineers
- Fast report turnaround (avg. 3 business days)
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The Donan Engineering On Demand inspection tool guides insurance professionals through a field inspection protocol. After collecting the necessary photographs and documentation using the inspection wizard and submitting your data, a licensed professional engineer will answer your questions in a sealed engineering report. On average, reports are returned within 3 business days.
Screenshots
Verdict
The clearest difference is review sentiment: Donan Engineering at 100% against RoofPair's 50%. Donan Engineering also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 11). RoofPair's advantage is ratings volume (7 vs 2). On price, update cadence, ads and monetization model 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. RoofPair sells 11 in-app purchases, starting at $35.00 per month. Donan Engineering asks for nothing beyond the download.
Donan Engineering holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews point the same way: 50% of RoofPair's written reviews are positive against 100% of Donan Engineering's.
RoofPair ships an update monthly, Donan Engineering every 6 weeks. The most recent releases landed on October 3, 2026 and September 23, 2026 respectively.
| Parameter | RoofPair | Donan Engineering |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (7 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 7 — better | 2 |
| Update frequency | Monthly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 72 MB | 45 MB |
| Age rating | 4+ | 12+ |
| Developer | Roof Pair Developments LLC | HVAC Investigators, LLC |
Customer experience
RoofPair
Donan Engineering
In-app purchases
RoofPair
- RoofPair Basic - 1 Month14 Days trial$35.001 Month
- RoofPair Pro - 1 Month$75.001 Month
- RoofPair Pro - 1 Month1 Month trial$324.991 Month
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- RoofPair Pro - 1 Month1 Month trial$350.001 Month
- RoofPair Pro - 1 Month1 Month trial$374.991 Month
- RoofPair Pro - 1 Month1 Month trial$379.991 Month
- RoofPair Basic - 1 Year14 Days trial$399.001 Year
- RoofPair Pro - 1 Month1 Month trial$400.001 Month
- RoofPair Pro - 1 Month1 Month trial$450.001 Month
- RoofPair Pro - 1 Month1 Month trial$474.991 Month
- RoofPair Pro - 1 Month1 Month trial$500.001 Month
Donan Engineering
No in-app purchases









