Comparison

Offline PDF Editor vs Screen Share CastNow

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

Head to head
About

Offline PDF Editor

This app offers a comprehensive suite of PDF editing tools that operate entirely offline on your device. It allows you to merge, split, compress, convert, sign, and fill PDFs without needing an internet connection or uploading your files to the cloud. An AI chat feature is also available for summarizing and querying your documents locally.

Highlights
  • 100% Offline PDF Editing
  • Merge, Split, Compress PDFs
  • Convert PDF to Image
  • Sign and Fill Forms
  • On-device AI Chat
  • Password Protection
  • Zero Cloud Uploads
Features
Read full description

ProperPDF is the PDF editor that never uploads your files. Every tool runs 100% on your device - no internet connection required, no cloud servers involved, no account needed. WHY PROPERPDF? Your documents contain sensitive information - contracts, tax forms, medical records, school assignments. Most PDF apps upload your files to remote servers for processing. ProperPDF processes everything locally on your device. Your files never leave your phone. COMPLETE PDF TOOLKIT - Merge & Combine - Join multiple PDFs into one document - Split & Extract - Pull out specific pages or page ranges - Compress - Reduce file size without losing quality - Convert - PDF to JPG, PNG, or image to PDF - Lock & Unlock - Add or remove password protection - Sign - Draw or type your signature directly on any PDF - Fill Forms - Complete PDF forms on your phone - Rotate, Reorder & Delete - Organize pages exactly how you need them - Edit Metadata - Update document title, author, and properties - View & Read - Fast, smooth PDF reader with zoom and navigation AI-POWERED PDF CHAT Ask questions about your documents and get instant answers. Summarize lengthy reports, extract key points, or search through content - all powered by on-device AI. Your conversations stay private because the AI runs locally on your phone. BUILT FOR PRIVACY - Zero cloud uploads - files never leave your device - Zero internet required - works in airplane mode - Zero accounts needed - no sign-up, no tracking - Zero data collection - we don't see your documents PERFECT FOR Students - annotate textbooks, merge lecture notes, compress assignments Professionals - sign contracts, fill forms, organize documents Anyone - handle everyday PDF tasks without trusting a cloud server WORKS OFFLINE. ALWAYS. No Wi-Fi? No problem. Every feature works without an internet connection. Whether you're on a flight, in a meeting, or somewhere without service - ProperPDF has you covered. Download ProperPDF - the PDF editor that respects your privacy. Privacy Policy: https://nepali-indie-dev.github.io/properpdf/privacy-policy.html Terms of Service: https://nepali-indie-dev.github.io/properpdf/terms-of-service.html

About

Screen Share CastNow

Share your mobile screen wirelessly in high definition with low latency. This app uses a secure peer-to-peer connection, requiring no installation on the receiving device. Ideal for presentations, support, or sharing media.

Highlights
  • Unlimited screen streaming
  • Secure P2P architecture
  • Universal receiver (no installation)
  • High-definition, low latency
  • Zero configuration setup
  • Mobile broadcasting hub
Features
Read full description

CastNow Pro is the premium edition of the CastNow ecosystem, specifically engineered for users who demand professional-grade reliability and unrestricted freedom in screen sharing. Key Features: Unlimited Streaming: Eliminate the session time limits found in the standard version. Cast your screen for as long as your task requires. Secure P2P Architecture: Powered by cutting-edge WebRTC technology, your data is transmitted directly between devices. With no intermediate servers and no audio data collection, your privacy remains absolute. Universal Receiver: No installation is required on the receiving end. Simply open castnow.vercel.app in any modern web browser to start receiving your stream instantly. High-Definition & Low Latency: Enjoy smooth, high-quality video streaming with our optimized transmission protocols. Zero Configuration: Get started in seconds with a simple 6-digit access key. No complex accounts or hardware setup needed. Perfect for professional presentations, remote technical support, or sharing high-quality media with friends and family. CastNow Pro turns your mobile device into a powerful broadcasting hub. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Offline PDF Editor4 screens
Screen Share CastNow4 screens

Verdict

The call

The clearest difference is price: Offline PDF Editor at Free against Screen Share CastNow's $2.99. Offline PDF Editor also leads on ratings volume (10 vs 2). Screen Share CastNow's advantage is update cadence (weekly vs monthly) and iOS requirement (15.6 vs 17.0). On rating, 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

Offline PDF Editor is free to download; Screen Share CastNow costs $2.99 up front. Offline PDF Editor sells 4 in-app purchases, starting at $1.99 per 7 days and Screen Share CastNow sells 1 in-app purchase, starting at $1.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Offline PDF Editor against 5.0 for Screen Share CastNow. That said, the two scores are not equally well evidenced: Offline PDF Editor has 10 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Offline PDF Editor ships an update monthly, Screen Share CastNow weekly. The most recent releases landed on September 15, 2026 and September 17, 2026 respectively.

Scorecard5 real differences · 5 level
Offline PDF Editor versus Screen Share CastNow: the parameters behind the verdict, then further details
ParameterOffline PDF EditorScreen Share CastNow
PriceFree — better$2.99
Rating5.0 (10 ratings)5.0 (2 ratings)
Positive reviews100.0% of reviews—
Number of ratings10 — better2
Update frequencyMonthlyWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.6 — better
Further details — not scored
Size40 MB47 MB
Age rating4+4+
DeveloperCHIRANJEEVI PANDEY新宇 刘

Customer experience

Offline PDF Editor

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Screen Share CastNow

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Offline PDF Editor

Subscriptions3
  • ProperPDF Pro — Weekly3 Days trial$1.997 Days
  • ProperPDF Pro — Monthly7 Days trial$3.991 Month
  • ProperPDF Pro — Annual7 Days trial$29.991 Year
One-time1
  • ProperPDF Pro - Lifetime Access$79.99
1 purchases

Screen Share CastNow

Subscriptions1
  • CastNow VIP - 1 Year$1.991 Year

Questions

Is Offline PDF Editor free?
Offline PDF Editor is free to download, with in-app purchases available.
Is Screen Share CastNow free?
Screen Share CastNow costs $2.99, and also offers in-app purchases.
Which has better reviews, Offline PDF Editor or Screen Share CastNow?
Offline PDF Editor and Screen Share CastNow are both rated 5.0 out of 5 on the App Store, from 10 and 2 ratings respectively.
Do Offline PDF Editor or Screen Share CastNow have ads?
Neither Offline PDF Editor nor Screen Share CastNow shows ads.
Which is updated more often, Offline PDF Editor or Screen Share CastNow?
Offline PDF Editor ships an update monthly, and Screen Share CastNow weekly. Most recently, Offline PDF Editor was updated on September 15, 2026 and Screen Share CastNow on September 17, 2026.

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