Comparison

PDF Reader vs LFA Roofs Pro

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

Head to head
About

PDF Reader

This app is a fast and lightweight document viewer for PDF, Word, Excel, and PowerPoint files. It offers smart file management, offline access, and easy sharing, making it ideal for students and professionals. Enjoy a seamless reading experience with features like search, bookmarks, and dark mode.

Highlights
  • All-in-one document viewer (PDF, DOCX, XLSX, PPTX, TXT)
  • Smart file manager
  • Offline document access
  • Fast and smooth performance
  • Search and bookmarking
  • Dark mode support
  • Easy document sharing
Features
Read full description

PDF Reader - Smart Reader is a fast, lightweight, and powerful document viewer that allows you to read PDF, Word, Excel, and PowerPoint files all in one place. Designed for efficiency, it helps you manage and view your documents seamlessly without needing an internet connection. Key Features: All-in-One Viewer: Open and read PDF, DOCX, XLSX, PPTX, and TXT files instantly. Smart File Manager: Automatically scans and organizes all documents stored on your device. Fast & Smooth: Optimized for large files, ensuring quick page loading and smooth scrolling. Privacy Focused: Your documents remain on your device. We process everything locally and never upload your files to any server. Search & Bookmark: Easily find your documents with a powerful search tool and save important pages for later. Dark Mode Support: Comfortable reading experience in any lighting condition. Share Easily: Share your documents via email or social media with just one tap. Whether you are a student or a professional, PDF Reader - Smart Reader is the perfect tool for your daily document needs. Download now and simplify your digital life!

About

LFA Roofs Pro

Features
Read full description

LFA Roofs Pro helps contractors, framers, carpenters, architects, and builders explore wood roof framing. Enter roof dimensions, inspect the structure in interactive 3D, and review measurements and material estimates. KEY FEATURES 15 ROOF AND FRAMING MODES: • Common Rafter • Hip Roof • Gable Roof • Shed Roof • Gambrel Roof • Valley Roof • Dormer Roof • Octagonal Turret Roof • Bay Roof • Plywood Deck Layout • Hip and Valley (L-Shape) • Different Wall Heights • Multi-Roof • Roof Addition • Wrap-Around Porch Roof INTERACTIVE 3D AND 2D PLANS: • Orbit the 3D model to inspect framing and roof layers. • Review dimensioned 2D plans, elevations, and sections. • See calculated rafter dimensions and cut information. REPORTS AND EXPORT: • Generate dimensioned PDF reports for project planning. • Export 3D and CAD files in .OBJ, .DAE, and .DXF formats. • Review lumber takeoffs, cut lists, and cost estimates. BUILDING CODE REFERENCE: • Calculations incorporate framing rules from the 2021 International Residential Code (IRC). • Check local code requirements and have a qualified professional review structural details before construction or permit submission. SUBSCRIPTION AND LEGAL INFORMATION: • Premium access is available through monthly and annual auto-renewable subscriptions. • Payment will be charged to your Apple Account at confirmation of purchase. • Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. • Your account will be charged for renewal within 24 hours before the end of the current period. • You can manage or cancel your subscription in your Apple Account settings. Terms of Use (EULA): https://lfa-legal.surge.sh/terms.html Privacy Policy: https://lfa-legal.surge.sh/privacy.html

Screenshots

PDF Reader4 screens
LFA Roofs Pro4 screens

Verdict

The call

The clearest difference is ads: LFA Roofs Pro at none against PDF Reader's shown. On price, update cadence, 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. PDF Reader sells 1 in-app purchase, starting at $19.99 per 7 days and LFA Roofs Pro sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
PDF Reader versus LFA Roofs Pro: the parameters behind the verdict, then further details
ParameterPDF ReaderLFA Roofs Pro
PriceFreeFree
Rating4.0 (4 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 4 daysEvery 4 days
AdsYesNo — better
In-app purchasesYesYes
MonetizationAd-supported—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.4 — better17.0
Further details — not scored
Size85 MB22 MB
Age rating4+4+
Developertruong nguyen xuanLorenzo Francisco Almonte

In-app purchases

1 purchases

PDF Reader

Subscriptions1
  • Premium Subscription - 1 week$19.997 Days
2 purchases

LFA Roofs Pro

Subscriptions2
  • LFA Roofs Pro Monthly7 Days trial$2.991 Month
  • LFA Roofs Pro Annual7 Days trial$29.991 Year

Questions

Is PDF Reader free?
PDF Reader is free to download, with in-app purchases available.
Is LFA Roofs Pro free?
LFA Roofs Pro is free to download, with in-app purchases available.
Do PDF Reader or LFA Roofs Pro have ads?
PDF Reader shows ads; LFA Roofs Pro does not.
Which is updated more often, PDF Reader or LFA Roofs Pro?
PDF Reader ships an update every 4 days, and LFA Roofs Pro every 4 days. Most recently, PDF Reader was updated on November 5, 2026 and LFA Roofs Pro on October 31, 2026.

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