Comparison

RoofPair vs Donan Engineering

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Photo-based shingle identification
  • Shingle visualizer
  • Comprehensive product database
  • Smart matching engine
  • Real-time comparisons
  • Technical documentation access
Features
Read full description

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

About

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.

Highlights
  • Guided field inspection protocol
  • Photograph and documentation collection
  • Sealed engineering reports
  • Answers from licensed professional engineers
  • Fast report turnaround (avg. 3 business days)
Features
Read full description

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

RoofPair4 screens
Donan Engineering3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

RoofPair ships an update monthly, Donan Engineering every 6 weeks. The most recent releases landed on October 3, 2026 and September 23, 2026 respectively.

Scorecard4 real differences · 6 level
RoofPair versus Donan Engineering: the parameters behind the verdict, then further details
ParameterRoofPairDonan Engineering
PriceFreeFree
Rating4.4 (7 ratings)5.0 (2 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings7 — better2
Update frequencyMonthly — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhoneiPhone, iPod — better
Requires iOS16.615.1 — better
Further details — not scored
Size72 MB45 MB
Age rating4+12+
DeveloperRoof Pair Developments LLCHVAC Investigators, LLC

Customer experience

RoofPair

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Donan Engineering

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

11 purchases

RoofPair

Subscriptions11
  • 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
Show 8 more
  • 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
None

Donan Engineering

No in-app purchases

Questions

Is RoofPair free?
RoofPair is free to download, with in-app purchases available.
Is Donan Engineering free?
Donan Engineering is free to download, with no in-app purchases.
Which has better reviews, RoofPair or Donan Engineering?
Donan Engineering is rated higher. RoofPair averages 4.4 out of 5 from 7 ratings, while Donan Engineering averages 5.0 from 2 ratings.
Do RoofPair or Donan Engineering have ads?
Neither RoofPair nor Donan Engineering shows ads.
Which is updated more often, RoofPair or Donan Engineering?
RoofPair ships an update monthly, and Donan Engineering every 6 weeks. Most recently, RoofPair was updated on October 3, 2026 and Donan Engineering on September 23, 2026.

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