Comparison

FDR Calculator vs PDF Scanner

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

Head to head
About

FDR Calculator

Instantly calculate fire danger ratings with professional-grade algorithms. Offers real-time weather data integration, visual danger level displays, and detailed action recommendations for informed fire prevention and management.

Highlights
  • Instant Fire Danger Index calculations
  • Real-time weather data integration
  • Visual color-coded danger levels
  • Detailed action recommendations
  • Manual calculator for offline use
  • Automatic location detection
Features
Read full description

PROFESSIONAL FIRE RISK ASSESSMENT MADE SIMPLE Calculate Fire Danger Ratings instantly with precision and confidence. Designed for fire management professionals, land managers, and safety authorities who need accurate fire risk assessments in the field. WEATHER PRO SUBSCRIPTION UNLOCKS ◆ Real-time weather data integrated directly into FDR calculations ◆ Automatic location detection or search any location worldwide ◆ Complete weather history and forecasts for informed planning ◆ Automatic FDR ratings - weather data updates calculations instantly ◆ No more manual data entry - let Weather Pro do the work REAL-TIME FDR CALCULATION ◆ Instant Fire Danger Index calculations based on weather conditions ◆ Professional-grade algorithms for accurate risk assessment ◆ Visual color-coded danger levels (Blue, Green, Yellow, Orange, Red) ◆ Manual calculator always available for offline use INTERACTIVE GAUGE DISPLAY ◆ Beautiful visual gauge showing current fire danger level ◆ Intuitive interface with easy-to-read results ◆ Tap gauge for detailed action recommendations COMPREHENSIVE ACTION GUIDANCE ◆ Detailed recommendations for each danger level ◆ Fire behavior predictions and suppression strategies ◆ Prevention guidelines and aircraft management protocols ◆ Disaster management procedures for high-risk conditions FLEXIBLE WEATHER INPUT Weather Pro Mode (Subscription): ◆ Automatic real-time weather updates ◆ Current location or custom location search ◆ Historical data and multi-day forecasts ◆ Set-and-forget automated monitoring Manual Calculator: ◆ Temperature, humidity, and wind speed sliders ◆ Days since rain and rainfall amount tracking ◆ Precise manual input options for exact values ◆ Real-time calculation updates as you adjust parameters ◆ Works completely offline PERFECT FOR: ▶ Fire management authorities ▶ Emergency services personnel ▶ Land and forest managers ▶ Agricultural professionals ▶ Safety and risk assessment teams ▶ Anyone responsible for fire prevention planning PRIVACY-FIRST DESIGN: ▶ All calculations performed locally on your device ▶ Minimal data collection - only for weather services when using Weather Pro ▶ Manual calculator works completely offline with no data transmission ▶ Weather Pro data encrypted and secure

About

PDF Scanner

Features
Read full description

PDF SCANNER is a great app which is used for Scan Documents,JPG to PDF, Image to PDF, Photo Converter and Scan PDF.You can Scan pdf files and manage an unlimited number of pdf files from anywhere. You can use in just a few minutes unlimited pdf files from a mobile scanner which is added to your phone.PDF scanner can scan pdf files, ID photos and books for recognition. After processing the file, get the result. PDF Reader is the fastest and safest mobile pdf viewer app in the apple store.It is Fast and easy mobile scanner.PDF Scanner app offers a range of editing tools that enable users to customize and enhance their PDF documents to suit their specific requirements.Scan any documents, paper notes, photos, receipts, and books into clear PDFs and pictures. Convert images into text with only one click and export searchable PDF files..it is a great pdf app for improving your office work, you can easily scan paper, edit, convert, sign and store pdf files in a secure cloud based environment. Document Scanner, pdf Scanner is a powerful mobile app that transforms your iOS device into a fully equipped office.PDF Scanner is a fast scan to PDF tool that allows you to scan documents. This scanner app can scan paper documents such as receipts, invoices, and notes in PDF/JPG format. With its smart cropping and auto enhancement, the quality of scanning PDF files is high. So turn your device into a portable scanner app. Scanner app allows you to easily share your scanned documents via email, messaging apps, or social media. You can also export your scans to other file formats such as JPG or PNG FEATURES: Easy to use: It is incredibly easy to use, even if you're not tech-savvy. With just a few taps, you can quickly scan your document and save it as a PDF file. Easily open and view pdf documents A simple list of PDF files Read horizontal and vertical Screen Easily save from Google drive Easily save pdf files from other browse files Edit PDF file or page MS Word file to pdf file Excel file to PDF file PPT and TXT file to PDF File Easily can import files from gallery or File management. Crop And Rotate image or pdf page Color change and background remove Reorder pdf file Go to page Search page Hidden Page Share PDF files Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula Privacy: https://privacypolicymakeme.blogspot.com/2024/09/privacy-policy.html

Screenshots

FDR Calculator4 screens
PDF Scanner4 screens

Verdict

The call

The clearest difference is ads: FDR Calculator at none against PDF Scanner's shown. FDR Calculator also leads on update cadence (every 4 months vs every 9 months). On price, in-app purchases, device support and iOS requirement 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. FDR Calculator sells 1 in-app purchase, starting at $1.99 per month and PDF Scanner sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

FDR Calculator ships an update every 4 months, PDF Scanner every 9 months. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.

Scorecard2 real differences · 6 level
FDR Calculator versus PDF Scanner: the parameters behind the verdict, then further details
ParameterFDR CalculatorPDF Scanner
PriceFreeFree
Positive reviews0.0% of reviews—
Update frequencyEvery 4 months — betterEvery 9 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size35 MB37 MB
Age rating4+4+
DeveloperAlan RichertRaheel Shareef

In-app purchases

1 purchases

FDR Calculator

Subscriptions1
  • Weather Pro (Monthly)3 Days trial$1.991 Month
3 purchases

PDF Scanner

Subscriptions2
  • Weekly Ads free inapps$3.997 Days
  • Monthly Ads free$7.991 Month
One-time1
  • Lifetime Ads Free$14.99

Questions

Is FDR Calculator free?
FDR Calculator is free to download, with in-app purchases available.
Is PDF Scanner free?
PDF Scanner is free to download, with in-app purchases available.
Do FDR Calculator or PDF Scanner have ads?
PDF Scanner shows ads; FDR Calculator does not.
Which is updated more often, FDR Calculator or PDF Scanner?
FDR Calculator ships an update every 4 months, and PDF Scanner every 9 months. Most recently, FDR Calculator was updated on November 1, 2026 and PDF Scanner on October 27, 2026.

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