Comparison

Knauf Pro+ vs DiagPro+

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

Head to head
About

Knauf Pro+

This tool simplifies home repair and remodeling by offering instant room measurements and thermal imaging to detect energy loss. It provides tailored insulation recommendations for various climate zones to improve energy efficiency and comfort.

Highlights
  • Instant room measurement calculations
  • Thermal imaging for energy loss detection
  • Fiberglass insulation recommendations
  • Project progress photo tracking
  • Manage multiple projects
  • Share detailed project reports
Features
Read full description

Knauf Pro+ is an innovative tool designed to simplify and enhance repair and remodel projects for homeowners, contractors, and DIY enthusiasts. With advanced features like instant room measurement calculations and thermal imaging technology, the app allows you to identify energy loss, such as heat and air leaks. Tailored to specific climate zones, it provides fiberglass insulation recommendations to optimize energy efficiency, reduce costs and improve comfort. Whether you are planning a small repair or a full-scale remodel, this app provides convenience to help you achieve professional-grade results with ease.  With Knauf Pro+, you can: - Harness your LiDAR-equipped iPhone Pro® or iPad Pro® to easily acquire room measurements - Leverage your FLIR ONE® thermal camera attachment to identify poor insulated areas - Capture and store "before" and "after" photos to track project progress - Manage multiple projects in one place - Share detailed project reports with others © 2025 Knauf Insulation, Inc. iPhone Pro® and iPad Pro® are registered trademarks of Apple Inc. FLIR ONE® is a registered trademark of Teledyne FLIR LLC

About

DiagPro+

Features
Read full description

DiagPro+ is your AI‑powered home repair assistant, helping you troubleshoot appliances, devices, and everyday household issues with simple, guided steps. Whether something stops working, makes a strange noise, leaks, won’t turn on, or shows a warning light, DiagPro+ helps you understand what’s happening and what to do next — no technical skills required. Fix common home problems with confidence: • Washers and dryers • Refrigerators and freezers • Dishwashers • Ovens, stoves, and microwaves • HVAC systems and thermostats • Plumbing fixtures and leaks • Electrical symptoms and power issues • Small appliances and home devices How it works: 1. Describe the issue or choose a category 2. DiagPro+ analyzes the symptoms using AI 3. Follow clear, step‑by‑step guidance 4. Learn what you can safely fix yourself 5. Know when it’s time to call a professional Why homeowners and renters use DiagPro+: • Get fast, accurate answers without searching the internet • Reduce unnecessary service calls and save money • Understand the real cause of the problem • Follow safe, beginner‑friendly instructions • Works across many appliances and devices • Expands over time as new troubleshooting flows are added DiagPro+ is built on a structured diagnostic engine designed to make troubleshooting simple, safe, and reliable. Instead of guessing or relying on random online advice, you get clear, validated steps tailored to real‑world home issues. Whether you’re dealing with a noisy washer, a warm fridge, a tripped breaker, a leaking faucet, or a device that suddenly stopped working, DiagPro+ helps you take the right next step — quickly and confidently

Screenshots

Knauf Pro+4 screens
DiagPro+4 screens

Verdict

The call

The clearest difference is update cadence: DiagPro+ at monthly against Knauf Pro+'s every 2 months. DiagPro+ also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Knauf Pro+ ships an update every 2 months, DiagPro+ monthly. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

Scorecard2 real differences · 7 level
Knauf Pro+ versus DiagPro+: the parameters behind the verdict, then further details
ParameterKnauf Pro+DiagPro+
PriceFreeFree
Rating5.0 (4 ratings) — better—
Number of ratings4 — better—
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size118 MB30 MB
Age rating4+4+
DeveloperKnauf Insulation, Inc.FIELDS-IQ LLC

In-app purchases

None

Knauf Pro+

No in-app purchases

None

DiagPro+

No in-app purchases

Questions

Is Knauf Pro+ free?
Knauf Pro+ is free to download, with no in-app purchases.
Is DiagPro+ free?
DiagPro+ is free to download, with no in-app purchases.
Do Knauf Pro+ or DiagPro+ have ads?
Neither Knauf Pro+ nor DiagPro+ shows ads.
Which is updated more often, Knauf Pro+ or DiagPro+?
Knauf Pro+ ships an update every 2 months, and DiagPro+ monthly. Most recently, Knauf Pro+ was updated on September 22, 2026 and DiagPro+ on September 21, 2026.

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