Comparison

Construct QC vs BuilderFax By Lumber

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

Head to head
About

Construct QC

This app streamlines quality control for utility-scale solar construction projects. It digitizes inspections, manages punchlists, and allows issue identification using drone imagery, even in remote locations with limited connectivity.

Highlights
  • Digital punchlist management
  • Geolocated observations
  • Drone imagery analysis
  • Photo evidence for remediation
  • Offline functionality
  • Team collaboration
Read full description

Construct QC (companion app for Terabase Construct) is the ultimate QC tool for utility-scale solar construction, designed to simplify inspections, improve accuracy, and enhance collaboration across teams. Say goodbye to paperwork and hello to a fully digital QC workflow optimized for solar, wind, and BESS projects. Key Features: Geolocate yourself on the map and link observations directly to project components for unmatched precision Create and manage a single punchlist within the app, providing a centralized source of truth for all stakeholders Identify issues using drone imagery directly in your web browser, spotting problems that may be harder to detect from the ground Close out punchlist issues with photo evidence of completed remediation activities, ensuring a smooth transition to commissioning Maintain full functionality even at remote sites with limited connectivity

About

BuilderFax By Lumber

Securely store, manage, and share your professional certifications and licenses. Upload documents, categorize them for easy access, and instantly share verified credentials via QR code or SMS link for on-site proof.

Highlights
  • Add and manage certifications
  • Categorize professional documents
  • Share verified credentials instantly
  • QR code and SMS link sharing
  • Secure verification page
Features
Read full description

BuilderFax is your trusted digital credential wallet, built specifically for construction professionals. Whether you're a carpenter, electrician, plumber, or welder, BuilderFax helps you securely store, view, and share your certifications, licenses, training records, and memberships—all in one place. Key Features: 1: Add Credentials Easily Upload front and back photos of your certifications, licenses, education records, training, or union memberships. Enter details and manage your professional documents with ease. 2: Organized Credential Management See your documents categorized for quick access 3. Share Verified Credentials Instantly Need to show proof on-site? Share verified credentials via QR code or SMS link. The QR code leads to a secure BuilderFax verification page, visible for 24 hours unless refreshed. Stay credential-ready. Stay job-ready. Download BuilderFax and keep your professional records at your fingertips—anytime, anywhere.

Screenshots

Construct QC4 screens
BuilderFax By Lumber4 screens

Verdict

The call

The clearest difference is rating: BuilderFax By Lumber at 5.0 against Construct QC's 4.3. On price, ratings volume, update cadence and ads 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.

ReceptionRating · Positive reviews · Number of ratings

BuilderFax By Lumber holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 11 and 7 respectively.

UpkeepUpdate frequency

Construct QC ships an update weekly, BuilderFax By Lumber every 9 days. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

Scorecard1 real difference · 8 level
Construct QC versus BuilderFax By Lumber: the parameters behind the verdict, then further details
ParameterConstruct QCBuilderFax By Lumber
PriceFreeFree
Rating4.3 (11 ratings)5.0 (7 ratings) — better
Number of ratings11 — better7
Update frequencyWeekly — betterEvery 9 days
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.515.1 — better
Further details — not scored
Size87 MB63 MB
Age rating4+4+
DeveloperTerabase Energy, Inc.Lumberfi Inc

Customer experience

Construct QC

All ratings11 ratings
Positive81.8%
Neutral0.0%
Negative18.2%

BuilderFax By Lumber

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Construct QC

No in-app purchases

None

BuilderFax By Lumber

No in-app purchases

Questions

Is Construct QC free?
Construct QC is free to download, with no in-app purchases.
Is BuilderFax By Lumber free?
BuilderFax By Lumber is free to download, with no in-app purchases.
Which has better reviews, Construct QC or BuilderFax By Lumber?
BuilderFax By Lumber is rated higher. Construct QC averages 4.3 out of 5 from 11 ratings, while BuilderFax By Lumber averages 5.0 from 7 ratings.
Do Construct QC or BuilderFax By Lumber have ads?
Neither Construct QC nor BuilderFax By Lumber shows ads.
Which is updated more often, Construct QC or BuilderFax By Lumber?
Construct QC ships an update weekly, and BuilderFax By Lumber every 9 days. Most recently, Construct QC was updated on October 7, 2026 and BuilderFax By Lumber on October 16, 2026.

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