Comparison

CSI vs PDF Editor

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

Head to head
About

CSI

This application is designed to collect information through surveys. It helps in segmenting consumers by gathering valuable data.

Highlights
  • Collect survey information
  • Consumer segmentation
  • Data gathering
Features
Read full description

Aplicación Segmentación de Consumidores Aplicación para recopilar información de encuestas

About

PDF Editor

Transform your device into a mobile office for efficient PDF management. Extract text from images, edit documents, convert images to PDF, and organize files with ease. This all-in-one utility offers a user-friendly interface for students and professionals.

Highlights
  • Smart OCR and text recognition
  • Professional PDF editing tools
  • Image to PDF conversion
  • Batch image conversion
  • Page management
  • Easy file import and sharing
Features
Read full description

Transform your iPhone into a powerful mobile office with PDF Editor - Convert File. Whether you are a student, a business professional, or just organizing personal documents, our app provides you need to manage PDFs efficiently. KEY FEATURES Smart OCR & Text Recognition • Extract Text: Instantly recognize and extract text from images or scanned documents. • Digitize Docs: Convert paper notes, book pages, or receipts into editable digital text files. • High Accuracy: Powered by advanced scanning technology to ensure precise recognition. Professional PDF Editor • Page Management: Easily add, delete, or rearrange pages to organize your document exactly how you want it. • Annotate & Mark Up: Highlight key information, add text notes to improve readability. • Personalize: Make your documents stand out with custom editing tools. Image to PDF Converter • Batch Conversion: Import multiple images at once and merge them into a single, high-quality PDF file. • Clean Layout: Automatically align and format images for a polished look. Perfect for creating portfolios, photo albums, or ID copies. Easy File Management • Quick Import: Seamlessly import PDFs from your system files or other apps. • Open & Read: A smooth, fast viewing experience for all your PDF documents. • Share Anywhere: Export and share your finished documents via email or social media with just a tap. Why Choose PDF Editor? • User-Friendly Interface: Designed for simplicity and speed. • Privacy Focused: We respect your data; files are processed securely. • All-in-One Utility: No need to switch between a scanner app, an editor app, and a converter app. Contact Us Have questions or suggestions? We'd love to hear from you. Email: contactus@wellresion.com Subscription Information: We offer a subscription service to provide users with an ad-free version. • Upon confirmation of subscription, the fee will be charged to your iTunes account at the time of purchase confirmation. • Subscriptions will automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current subscription period, otherwise you will be charged for the next subscription period. • You can manage your subscription and turn off auto-renewal in Settings after purchase. • Cancellation of the current subscription is not allowed during the subscription period. Links: Privacy Policy: https://pdfeditorconvertfile.com/privacy.html Terms of Use: https://pdfeditorconvertfile.com/terms.html Subscription Terms: https://pdfeditorconvertfile.com/subscription_terms.html

Screenshots

CSI4 screens
PDF Editor4 screens

Verdict

The call

The clearest difference is in-app purchases: CSI at none against PDF Editor's 2. CSI also leads on ads (none vs shown) and device support (3 vs 1). On price, review sentiment, update cadence 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. PDF Editor sells 2 in-app purchases, starting at $5.99 per 7 days. CSI asks for nothing beyond the download.

UpkeepUpdate frequency

CSI ships an update monthly, PDF Editor every 3 weeks. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

Scorecard4 real differences · 6 level
CSI versus PDF Editor: the parameters behind the verdict, then further details
ParameterCSIPDF Editor
PriceFreeFree
Rating—3.9 (31 ratings) — better
Positive reviews26.9% of reviews — better25.0% of reviews
Number of ratings—31 — better
Update frequencyMonthlyEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better16.6
Further details — not scored
Size16 MB79 MB
Age rating4+4+
DeveloperMVM Ingenieria de Software S.A.SWellresion Limited

Customer experience

CSI

Written reviews26 reviews
Positive26.9%
Neutral0.0%
Negative73.1%

PDF Editor

All ratings31 ratings
Positive74.2%
Neutral6.5%
Negative19.4%
Written reviews8 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

In-app purchases

None

CSI

No in-app purchases

2 purchases

PDF Editor

Subscriptions2
  • PDF Editor Ad-Free$5.997 Days
  • PDF Editor Ad-Free$29.991 Year

Questions

Is CSI free?
CSI is free to download, with no in-app purchases.
Is PDF Editor free?
PDF Editor is free to download, with in-app purchases available.
Do CSI or PDF Editor have ads?
PDF Editor shows ads; CSI does not.
Which is updated more often, CSI or PDF Editor?
CSI ships an update monthly, and PDF Editor every 3 weeks. Most recently, CSI was updated on October 14, 2026 and PDF Editor on October 12, 2026.

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